#include <bits/stdc++.h>
using namespace std;
struct precalc {
  int dp[260][260][260];
  int C[260][260];
  void calc(int N) {
    dp[0][0][0] = 1;
    for (int i = 1; i <= N; i++) {
      for (int j = 0; j <= N; j++) {
        for (int k = 0; k <= j; k++) {
          dp[i][j][k] = 0;
          for (int p = 0; p <= k; p++) {
            if (p != i) {
              {
                dp[i][j][k] += ((long long)dp[i - 1][j - p][k - p] *
                                C[N - j + p][p] % 777777777);
                if (dp[i][j][k] >= 777777777) dp[i][j][k] -= 777777777;
              };
            }
          }
          if (j >= i) {
            dp[i][j][k] +=
                ((long long)dp[i - 1][j - i][k] * C[N - j + i][i] % 777777777);
            if (dp[i][j][k] >= 777777777) dp[i][j][k] -= 777777777;
          };
        }
      }
    }
    printf("{");
    for (int i = 0; i <= N; i++) {
      printf("%d", dp[N][N][i]);
      if (i < N) putchar(',');
    }
    printf("}");
  }
  void pre() {
    for (int i = 0; i < 260; i++) C[i][0] = C[i][i] = 1;
    for (int i = 2; i < 260; i++) {
      for (int j = 1; j < i; j++) {
        C[i][j] = C[i - 1][j - 1] + C[i - 1][j];
        if (C[i][j] >= 777777777) C[i][j] -= 777777777;
      }
    }
    puts("int ans[10][NN]={");
    for (int i = 0; i <= 8; i++) {
      calc(1 << i);
      if (i < 8) putchar(',');
      puts("");
    }
    puts("};");
  }
};
int ans[10][260] = {
    {1, 0},
    {1, 2, 1},
    {5, 32, 30, 80, 109},
    {541, 6824, 59808, 147224, 415870, 1757896, 1897056, 4898872, 7593125},
    {166257661, 776830421, 290516100, 746623577, 293783147, 33900006, 735127505,
     565460332, 428982705, 472062098, 161873957, 117354594, 515619293,
     578944191, 312106242, 569389279, 391464593},
    {464207287, 261086313, 584837659, 683961846, 468868529, 211593382,
     736955478, 229471758, 157617135, 398169441, 360252438, 629394768,
     264125799, 647490480, 342079395, 391579767, 225200475, 486011304,
     513156108, 628771752, 132906648, 142138221, 20119449,  444199674,
     195188679, 387329805, 44684703,  651912135, 737154512, 612549793,
     519860281, 186175544, 212568440},
    {382725349, 240805271, 239509872, 581127897, 6511239,   156126222,
     509425833, 672407328, 366667722, 459185405, 509737025, 554790222,
     165216555, 703150560, 74806569,  398730015, 383350905, 506108358,
     51326142,  298053147, 104256117, 391428765, 374020479, 206607807,
     87664059,  275899176, 56407680,  551553401, 448939463, 582889860,
     129676638, 226078251, 135769095, 61292868,  578972226, 190181628,
     390739055, 184587732, 446575689, 732674124, 232198470, 676760679,
     352474101, 611444862, 575661807, 628905585, 320813094, 522840969,
     469781928, 156006018, 554473341, 239654268, 643714911, 433540170,
     199307003, 496385218, 291740751, 67309914,  370826673, 202356819,
     279421821, 421203111, 63744786,  520987612, 550671827},
    {642497124, 482164403, 768209115, 462063756, 154906374, 36099042,
     341766705, 678182556, 621882744, 478771358, 231881111, 175889805,
     243630450, 168908523, 671961765, 55761813,  652682670, 773939082,
     517628076, 756201264, 124604900, 750976272, 498253248, 676047609,
     137170026, 705610017, 495032139, 561797418, 703097347, 500815609,
     95984586,  739707108, 265613565, 387099846, 777331779, 594676173,
     591219559, 407997044, 208947235, 93337440,  478908360, 685013007,
     487033953, 671903001, 39521181,  738490312, 33785059,  465470131,
     310453920, 54648783,  346831137, 427694175, 474743430, 705296781,
     435828036, 429824745, 663532359, 261388683, 244690731, 533997135,
     596108961, 506813013, 371892402, 590145264, 104733162, 143420103,
     654339672, 700348950, 685038942, 578826927, 286484229, 501639192,
     434962491, 299270097, 27702486,  335375775, 111746817, 565603164,
     294926121, 676063665, 735862995, 710035809, 437011960, 668528077,
     138765186, 508213986, 615036450, 353784942, 624827616, 343900011,
     241289776, 52410890,  72018835,  352406796, 415705878, 4802637,
     376367145, 65589678,  333633477, 341834527, 303717460, 282387700,
     42951006,  254706039, 423048528, 526429710, 68131467,  669954708,
     12787348,  500636381, 317959019, 479433192, 657133515, 416259390,
     610216692, 340129188, 44594256,  257373347, 138718678, 530767740,
     292922628, 37220268,  605295159, 480722613, 458170419, 30540300,
     487159055, 232966794, 149150650},
    {507720408, 412133651, 386543325, 139952108, 289303402, 102404925,
     317067177, 396414708, 80515854,  663739304, 317300809, 228877044,
     493725043, 715317967, 490300965, 315527373, 743539734, 488329191,
     553627998, 533025234, 242583957, 706116537, 614109258, 645447222,
     523195911, 492109128, 722623041, 111085128, 766395126, 654378921,
     691964847, 496688157, 399056049, 654363234, 102052314, 191720088,
     473910948, 259736526, 332840025, 388047555, 665791056, 627111387,
     139696515, 441456687, 443032569, 283264821, 771641703, 452641455,
     511306362, 117572859, 127701891, 721298331, 176520078, 357242229,
     611296308, 696994956, 405628839, 429224274, 465336054, 695091546,
     689828796, 574648641, 351220905, 507964023, 675326610, 517248963,
     453528621, 220301928, 494463186, 681789969, 339589656, 44524053,
     417125457, 339589404, 747135963, 341780733, 734158215, 396817281,
     21997836,  5728464,   147611205, 456248898, 714128667, 377654949,
     3862068,   128418948, 589390074, 304947090, 11703825,  228266073,
     127304142, 429215724, 361541124, 521572968, 468358191, 341231688,
     65323503,  613778508, 15985323,  291661029, 410970006, 591638112,
     349541550, 89967528,  224922159, 361094166, 584206074, 640051812,
     324264456, 652625388, 693768537, 11740617,  309238398, 211085469,
     194905872, 639416484, 110110707, 296645895, 748118511, 131177718,
     511142751, 775975599, 421403409, 475528473, 434685258, 1768977,
     80301375,  708023862, 569195676, 56238084,  632887668, 88089750,
     631539342, 396695565, 38780154,  695798271, 469819224, 439587099,
     69045921,  682966116, 112310856, 64943298,  534475872, 40215357,
     389728458, 286368453, 736006257, 501181650, 54829908,  603489402,
     338032656, 512182818, 627500097, 462674016, 3103092,   157324491,
     43978329,  596818971, 259025598, 9088632,   91991781,  577291428,
     211245489, 429471231, 142626330, 172560633, 510907446, 444609585,
     758102058, 375112647, 744786693, 276174402, 19259856,  233672418,
     745389414, 225772848, 23385663,  324290610, 519804558, 120337812,
     402578568, 360676008, 450089262, 551043738, 337388940, 512108856,
     28879011,  690040638, 106017282, 558262341, 99972432,  608226003,
     612152037, 42414435,  776201013, 39580443,  518796945, 494437752,
     583194366, 723936555, 415359657, 309569589, 751104774, 166684527,
     249229170, 353120823, 130668327, 753823584, 580966092, 561963717,
     543672234, 393846327, 586278000, 327398400, 278403867, 156455586,
     363920382, 190245195, 290039148, 547014447, 466218648, 146037150,
     585462906, 666008595, 691786683, 374707494, 622498779, 231158277,
     685740951, 115612245, 681825249, 545555745, 551718468, 277206615,
     640171035, 757727334, 195193908, 658656684, 457760646, 225925875,
     505761984, 18685233,  506832921, 112511021, 396846646, 290147622,
     113924623, 669986155, 336008070, 63611061,  238586775, 119956662,
     616557739, 772784623, 334527774, 410403148, 51933421}};
int main() {
  int n, k;
  cin >> n >> k;
  cout << ans[__builtin_ctz(n)][k] << endl;
  return 0;
}
