#include<iostream>
#include<algorithm>
#include<cstdio>
#include<string>
#include<deque>
#include<map>
#include<cstring>
using namespace std;
int n, m;
int A[105];
int f[10005];
int main() {
    cin >> n >> m;
    for (int i = 1; i <= n; i++)cin >> A[i];
    f[0] = 1;
    for (int i = 1; i <= n; i++) {
        for (int j = m; j >= A[i]; j--) {
            f[j]+= f[j - A[i]];
        }
    }
    cout << f[m];
}