#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n, w;
  cin >> n >> w;
  vector<ll> a(n);
  rep(i, n) cin >> a[i];
  int ans = 0;
  rep(sel, 1 << n) {
    if (sel == 0) continue;
    vector<ll> x;
    rep(i, n) if (sel >> i & 1) x.push_back(a[i]);
    bool ok = false;
    rep(bit, 1 << x.size()) {
      ll sum = 0;
      rep(i, x.size()) sum += x[i] / ((bit >> i & 1) + 1);
      if (sum == w) {
        ok = true;
        break;
      }
    }
    if (ok) ans++;
  }
  cout << ans << '\n';
  return 0;
}