<!--

Pascal=new Array()
Pascal[0]=[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[1]=[1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[2]=[1,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[3]=[1,3,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[4]=[1,4,6,4,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[5]=[1,5,10,10,5,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[6]=[1,6,15,20,15,6,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[7]=[1,7,21,35,35,21,7,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[8]=[1,8,28,56,70,56,28,8,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[9]=[1,9,36,84,126,126,84,36,9,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[10]=[1,10,45,120,210,252,210,120,45,10,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[11]=[1,11,55,165,330,462,462,330,165,55,11,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[12]=[1,12,66,220,495,792,924,792,495,220,66,12,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[13]=[1,13,78,286,715,1287,1716,1716,1287,715,286,78,13,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[14]=[1,14,91,364,1001,2002,3003,3432,3003,2002,1001,364,91,14,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[15]=[1,15,105,455,1365,3003,5005,6435,6435,5005,3003,1365,455,105,15,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[16]=[1,16,120,560,1820,4368,8008,11440,12870,11440,8008,4368,1820,560,120,16,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[17]=[1,17,136,680,2380,6188,12376,19448,24310,24310,19448,12376,6188,2380,680,136,17,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[18]=[1,18,153,816,3060,8568,18564,31824,43758,48620,43758,31824,18564,8568,3060,816,153,18,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[19]=[1,19,171,969,3876,11628,27132,50388,75582,92378,92378,75582,50388,27132,11628,3876,969,171,19,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[20]=[1,20,190,1140,4845,15504,38760,77520,125970,167960,184756,167960,125970,77520,38760,15504,4845,1140,190,20,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[21]=[1,21,210,1330,5985,20349,54264,116280,203490,293930,352716,352716,293930,203490,116280,54264,20349,5985,1330,210,21,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[22]=[1,22,231,1540,7315,26334,74613,170544,319770,497420,646646,705432,646646,497420,319770,170544,74613,26334,7315,1540,231,22,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[23]=[1,23,253,1771,8855,33649,100947,245157,490314,817190,1144066,1352078,1352078,1144066,817190,490314,245157,100947,33649,8855,1771,253,23,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[24]=[1,24,276,2024,10626,42504,134596,346104,735471,1307504,1961256,2496144,2704156,2496144,1961256,1307504,735471,346104,134596,42504,10626,2024,276,24,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[25]=[1,25,300,2300,12650,53130,177100,480700,1081575,2042975,3268760,4457400,5200300,5200300,4457400,3268760,2042975,1081575,480700,177100,53130,12650,2300,300,25,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[26]=[1,26,325,2600,14950,65780,230230,657800,1562275,3124550,5311735,7726160,9657700,10400600,9657700,7726160,5311735,3124550,1562275,657800,230230,65780,14950,2600,325,26,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[27]=[1,27,351,2925,17550,80730,296010,888030,2220075,4686825,8436285,13037895,17383860,20058300,20058300,17383860,13037895,8436285,4686825,2220075,888030,296010,80730,17550,2925,351,27,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[28]=[1,28,378,3276,20475,98280,376740,1184040,3108105,6906900,13123110,21474180,30421755,37442160,40116600,37442160,30421755,21474180,13123110,6906900,3108105,1184040,376740,98280,20475,3276,378,28,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[29]=[1,29,406,3654,23751,118755,475020,1560780,4292145,10015005,20030010,34597290,51895935,67863915,77558760,77558760,67863915,51895935,34597290,20030010,10015005,4292145,1560780,475020,118755,23751,3654,406,29,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[30]=[1,30,435,4060,27405,142506,593775,2035800,5852925,14307150,30045015,54627300,86493225,119759850,145422675,155117520,145422675,119759850,86493225,54627300,30045015,14307150,5852925,2035800,593775,142506,27405,4060,435,30,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[31]=[1,31,465,4495,31465,169911,736281,2629575,7888725,20160075,44352165,84672315,141120525,206253075,265182525,300540195,300540195,265182525,206253075,141120525,84672315,44352165,20160075,7888725,2629575,736281,169911,31465,4495,465,31,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[32]=[1,32,496,4960,35960,201376,906192,3365856,10518300,28048800,64512240,129024480,225792840,347373600,471435600,565722720,601080390,565722720,471435600,347373600,225792840,129024480,64512240,28048800,10518300,3365856,906192,201376,35960,4960,496,32,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[33]=[1,33,528,5456,40920,237336,1107568,4272048,13884156,38567100,92561040,193536720,354817320,573166440,818809200,1037158320,1166803110,1166803110,1037158320,818809200,573166440,354817320,193536720,92561040,38567100,13884156,4272048,1107568,237336,40920,5456,528,33,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[34]=[1,34,561,5984,46376,278256,1344904,5379616,18156204,52451256,131128140,286097760,548354040,927983760,1391975640,1855967520,2203961430,2333606220,2203961430,1855967520,1391975640,927983760,548354040,286097760,131128140,52451256,18156204,5379616,1344904,278256,46376,5984,561,34,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[35]=[1,35,595,6545,52360,324632,1623160,6724520,23535820,70607460,183579396,417225900,834451800,1476337800,2319959400,3247943160,4059928950,4537567650,4537567650,4059928950,3247943160,2319959400,1476337800,834451800,417225900,183579396,70607460,23535820,6724520,1623160,324632,52360,6545,595,35,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[36]=[1,36,630,7140,58905,376992,1947792,8347680,30260340,94143280,254186856,600805296,1251677700,2310789600,3796297200,5567902560,7307872110,8597496600,9075135300,8597496600,7307872110,5567902560,3796297200,2310789600,1251677700,600805296,254186856,94143280,30260340,8347680,1947792,376992,58905,7140,630,36,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[37]=[1,37,666,7770,66045,435897,2324784,10295472,38608020,124403620,348330136,854992152,1852482996,3562467300,6107086800,9364199760,12875774670,15905368710,17672631900,17672631900,15905368710,12875774670,9364199760,6107086800,3562467300,1852482996,854992152,348330136,124403620,38608020,10295472,2324784,435897,66045,7770,666,37,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[38]=[1,38,703,8436,73815,501942,2760681,12620256,48903492,163011640,472733756,1203322288,2707475148,5414950296,9669554100,15471286560,22239974430,28781143380,33578000610,35345263800,33578000610,28781143380,22239974430,15471286560,9669554100,5414950296,2707475148,1203322288,472733756,163011640,48903492,12620256,2760681,501942,73815,8436,703,38,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[39]=[1,39,741,9139,82251,575757,3262623,15380937,61523748,211915132,635745396,1676056044,3910797436,8122425444,15084504396,25140840660,37711260990,51021117810,62359143990,68923264410,68923264410,62359143990,51021117810,37711260990,25140840660,15084504396,8122425444,3910797436,1676056044,635745396,211915132,61523748,15380937,3262623,575757,82251,9139,741,39,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[40]=[1,40,780,9880,91390,658008,3838380,18643560,76904685,273438880,847660528,2311801440,5586853480,12033222880,23206929840,40225345056,62852101650,88732378800,113380261800,131282408400,137846528820,131282408400,113380261800,88732378800,62852101650,40225345056,23206929840,12033222880,5586853480,2311801440,847660528,273438880,76904685,18643560,3838380,658008,91390,9880,780,40,1,0,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[41]=[1,41,820,10660,101270,749398,4496388,22481940,95548245,350343565,1121099408,3159461968,7898654920,17620076360,35240152720,63432274896,103077446706,151584480450,202112640600,244662670200,269128937220,269128937220,244662670200,202112640600,151584480450,103077446706,63432274896,35240152720,17620076360,7898654920,3159461968,1121099408,350343565,95548245,22481940,4496388,749398,101270,10660,820,41,1,0,0,0,0,0,0,0,0,0,0,0,0];
Pascal[42]=[1,42,861,11480,111930,850668,5245786,26978328,118030185,445891810,1471442973,4280561376,11058116888,25518731280,52860229080,98672427616,166509721602,254661927156,353697121050,446775310800,513791607420,538257874440,513791607420,446775310800,353697121050,254661927156,166509721602,98672427616,52860229080,25518731280,11058116888,4280561376,1471442973,445891810,118030185,26978328,5245786,850668,111930,11480,861,42,1,0,0,0,0,0,0,0,0,0,0,0];
Pascal[43]=[1,43,903,12341,123410,962598,6096454,32224114,145008513,563921995,1917334783,5752004349,15338678264,36576848168,78378960360,151532656696,265182149218,421171648758,608359048206,800472431850,960566918220,1052049481860,1052049481860,960566918220,800472431850,608359048206,421171648758,265182149218,151532656696,78378960360,36576848168,15338678264,5752004349,1917334783,563921995,145008513,32224114,6096454,962598,123410,12341,903,43,1,0,0,0,0,0,0,0,0,0,0];
Pascal[44]=[1,44,946,13244,135751,1086008,7059052,38320568,177232627,708930508,2481256778,7669339132,21090682613,51915526432,114955808528,229911617056,416714805914,686353797976,1029530696964,1408831480056,1761039350070,2012616400080,2104098963720,2012616400080,1761039350070,1408831480056,1029530696964,686353797976,416714805914,229911617056,114955808528,51915526432,21090682613,7669339132,2481256778,708930508,177232627,38320568,7059052,1086008,135751,13244,946,44,1,0,0,0,0,0,0,0,0,0];
Pascal[45]=[1,45,990,14190,148995,1221759,8145060,45379620,215553195,886163135,3190187286,10150595910,28760021745,73006209045,166871334960,344867425584,646626422970,1103068603890,1715884494940,2438362177020,3169870830126,3773655750150,4116715363800,4116715363800,3773655750150,3169870830126,2438362177020,1715884494940,1103068603890,646626422970,344867425584,166871334960,73006209045,28760021745,10150595910,3190187286,886163135,215553195,45379620,8145060,1221759,148995,14190,990,45,1,0,0,0,0,0,0,0,0];
Pascal[46]=[1,46,1035,15180,163185,1370754,9366819,53524680,260932815,1101716330,4076350421,13340783196,38910617655,101766230790,239877544005,511738760544,991493848554,1749695026860,2818953098830,4154246671960,5608233007146,6943526580276,7890371113950,8233430727600,7890371113950,6943526580276,5608233007146,4154246671960,2818953098830,1749695026860,991493848554,511738760544,239877544005,101766230790,38910617655,13340783196,4076350421,1101716330,260932815,53524680,9366819,1370754,163185,15180,1035,46,1,0,0,0,0,0,0,0];
Pascal[47]=[1,47,1081,16215,178365,1533939,10737573,62891499,314457495,1362649145,5178066751,17417133617,52251400851,140676848445,341643774795,751616304549,1503232609098,2741188875414,4568648125690,6973199770790,9762479679106,12551759587422,14833897694226,16123801841550,16123801841550,14833897694226,12551759587422,9762479679106,6973199770790,4568648125690,2741188875414,1503232609098,751616304549,341643774795,140676848445,52251400851,17417133617,5178066751,1362649145,314457495,62891499,10737573,1533939,178365,16215,1081,47,1,0,0,0,0,0,0];
Pascal[48]=[1,48,1128,17296,194580,1712304,12271512,73629072,377348994,1677106640,6540715896,22595200368,69668534468,192928249296,482320623240,1093260079344,2254848913647,4244421484512,7309837001104,11541847896480,16735679449896,22314239266528,27385657281648,30957699535776,32247603683100,30957699535776,27385657281648,22314239266528,16735679449896,11541847896480,7309837001104,4244421484512,2254848913647,1093260079344,482320623240,192928249296,69668534468,22595200368,6540715896,1677106640,377348994,73629072,12271512,1712304,194580,17296,1128,48,1,0,0,0,0,0];
Pascal[49]=[1,49,1176,18424,211876,1906884,13983816,85900584,450978066,2054455634,8217822536,29135916264,92263734836,262596783764,675248872536,1575580702584,3348108992991,6499270398159,11554258485616,18851684897584,28277527346376,39049918716424,49699896548176,58343356817424,63205303218876,63205303218876,58343356817424,49699896548176,39049918716424,28277527346376,18851684897584,11554258485616,6499270398159,3348108992991,1575580702584,675248872536,262596783764,92263734836,29135916264,8217822536,2054455634,450978066,85900584,13983816,1906884,211876,18424,1176,49,1,0,0,0,0];
Pascal[50]=[1,50,1225,19600,230300,2118760,15890700,99884400,536878650,2505433700,10272278170,37353738800,121399651100,354860518600,937845656300,2250829575120,4923689695575,9847379391150,18053528883775,30405943383200,47129212243960,67327446062800,88749815264600,108043253365600,121548660036300,126410606437752,121548660036300,108043253365600,88749815264600,67327446062800,47129212243960,30405943383200,18053528883775,9847379391150,4923689695575,2250829575120,937845656300,354860518600,121399651100,37353738800,10272278170,2505433700,536878650,99884400,15890700,2118760,230300,19600,1225,50,1,0,0,0];
Pascal[51]=[1,51,1275,20825,249900,2349060,18009460,115775100,636763050,3042312350,12777711870,47626016970,158753389900,476260169700,1292706174900,3188675231420,7174519270695,14771069086725,27900908274925,48459472266975,77535155627160,114456658306760,156077261327400,196793068630200,229591913401900,247959266474052,247959266474052,229591913401900,196793068630200,156077261327400,114456658306760,77535155627160,48459472266975,27900908274925,14771069086725,7174519270695,3188675231420,1292706174900,476260169700,158753389900,47626016970,12777711870,3042312350,636763050,115775100,18009460,2349060,249900,20825,1275,51,1,0,0];
Pascal[52]=[1,52,1326,22100,270725,2598960,20358520,133784560,752538150,3679075400,15820024220,60403728840,206379406870,635013559600,1768966344600,4481381406320,10363194502115,21945588357420,42671977361650,76360380541900,125994627894135,191991813933920,270533919634160,352870329957600,426384982032100,477551179875952,495918532948104,477551179875952,426384982032100,352870329957600,270533919634160,191991813933920,125994627894135,76360380541900,42671977361650,21945588357420,10363194502115,4481381406320,1768966344600,635013559600,206379406870,60403728840,15820024220,3679075400,752538150,133784560,20358520,2598960,270725,22100,1326,52,1,0];
Pascal[53]=[1,53,1378,23426,292825,2869685,22957480,154143080,886322710,4431613550,19499099620,76223753060,266783135710,841392966470,2403979904200,6250347750920,14844575908435,32308782859535,64617565719070,119032357903550,202355008436035,317986441828055,462525733568080,623404249591760,779255311989700,903936161908052,973469712824056,973469712824056,903936161908052,779255311989700,623404249591760,462525733568080,317986441828055,202355008436035,119032357903550,64617565719070,32308782859535,14844575908435,6250347750920,2403979904200,841392966470,266783135710,76223753060,19499099620,4431613550,886322710,154143080,22957480,2869685,292825,23426,1378,53,1];


-->