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#include <bits/stdc++.h>
using namespace std;
const int N = 110;
int n, m;
int f[N][N];//第一维：前i个物品，第二维：体积j及以下
int main() {
cin >> n >> m;
//初始化
for (int i = 0; i <= m; i++) f[0][i] = 1;
for (int i = 1; i <= n; i++) {
int v;
cin >> v;
for (int j = 0; j <= m; j++) {
f[i][j] = f[i - 1][j];
if (j >= v) f[i][j] += f[i - 1][j - v];
}
cout << f[n][m] << endl;
return 0;
