This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int main() {
  int64_t n, m, ans = 0;
  cin >> n >> m;
  vector<int64_t> prices(n);
  for (int64_t &price : prices) {
    cin >> price;
  }
  int64_t limit = (1 << n);
  for (int64_t mask = 0; mask < limit; mask++) {
    char isValidMask = true;
    int64_t money = m;
    for (int64_t i = 0; i < n; i++) {
      if (mask & (1 << i)) {
        money -= prices[i];
        if (money < 0) {
          isValidMask = false;
          break;
        }
      }
    }
    if (!isValidMask) {
      continue;
    }
    ans++;
  }
  cout << ans << '\n';
  return 0;
}
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