#include <cstring>
#include <iostream>
#include <algorithm>

using namespace std;

const int N = 10010;
int n, m;
int f[N];

int main()
{
    cin >> n >> m;
    f[0] = 1;
    for (int i = 0; i < n; i ++ )
    {
        int v;
        cin >> v;
        for (int j = m; j >= v; j -- ) f[j] += f[j - v];
    }

    cout << f[m] << endl;

    return 0;
}

/**************************************************************
	Problem: 1904
	User: admin
	Language: C++
	Result: Accepted
	Time:22 ms
	Memory:2112 kb
****************************************************************/