#pragma GCC optimize ("O3")
#pragma GCC target ("avx") // yukicoder
// #pragma GCC target ("sse4.2") // SPOJ, codechef

#include <bits/stdc++.h>

#define _rep(_1, _2, _3, _4, name, ...) name
#define rep2(i, n) rep3(i, 0, n)
#define rep3(i, a, b) rep4(i, a, b, 1)
#define rep4(i, a, b, c) for (int i = int(a); i < int(b); i += int(c))
#define rep(...) _rep(__VA_ARGS__, rep4, rep3, rep2, _)(__VA_ARGS__)

using namespace std;

using i64 = long long;
using u8 = unsigned char;
using u32 = unsigned;
using u64 = unsigned long long;
using f80 = long double; 

int A[100], poly[50010];

const int MOD = 1234567891;

// MOD < 2^31 まで動作し，かつ，効率良くベクトル化される．
int add_mod(int a, int b) {
  return (a += b - MOD) < 0 ? a + MOD : a;
}

// overlap も考慮してベクトル化される．
void vec_add(int n, int* a, int* b) {
  for (int i = n - 1; i >= 0; --i) {
    a[i] = add_mod(a[i], b[i]);
  }
}

void solve() {
  i64 N, M;
  while (~scanf("%lld %lld", &N, &M)) {
    i64 s = 0;
    rep(i, N) scanf("%d", &A[i]), s += A[i];
    sort(A, A + N);
    int t = 0;
    poly[t++] = 1;
    while (M) {
      fill(poly + t, poly + s + t, 0);
      rep(i, N) {
        vec_add(t, poly + A[i], poly);
        t += A[i];
      }
      int p = M & 1;
      M >>= 1;
      t = (t + 1 - p) >> 1;
      rep(i, t) poly[i] = poly[2 * i + p];
    }
    printf("%d\n", poly[0]);
  }
}

int main() {
  clock_t beg = clock();
  solve();
  clock_t end = clock();
  fprintf(stderr, "%.3f sec\n", double(end - beg) / CLOCKS_PER_SEC);
  return 0;
}