#include<bits/stdc++.h>
using namespace std;
long long n,m,a[110],f[10010];
int main()
{
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;i++)
      scanf("%d",&a[i]);
    f[0]=1;
    for(int i=1;i<=n;i++)
      for(int j=m;j>=a[i];j--)
          f[j]=f[j]+f[j-a[i]];
    cout<<f[m];
    return 0;
}
/**************************************************************
	Problem: 1890
	User: admin
	Language: C++
	Result: Accepted
	Time:31 ms
	Memory:2152 kb
****************************************************************/