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#include <bits/stdc++.h>
using namespace std;
const int N = 110;
int n, m;
int f[N];
int main() {
cin >> n >> m;
f[0] = 1;
for (int i = 1; i <= n; i++) {
int v;
cin >> v;
for (int j = m; j >= v; j--)
f[j] = f[j] + f[j - v];
}
cout << f[m] << endl;
return 0;
}