#include<iostream>
#include<cmath>
#include<cstring>
using namespace std;
int n,m;
int a[102];
int mem[102][102];
int dfs(int x,int sm){
if(mem[x][sm]) return mem[x][sm];
int rs=0;
if(x>n) rs=0;
else if(sm<a[x]) rs=dfs(x+1,sm);
else if(sm>a[x]) rs=dfs(x+1,sm)+dfs(x+1,sm-a[x]);
else if(sm==a[x]) rs=dfs(x+1,sm)+1;
mem[x][sm]=rs;
return rs;
}
int main(){
cin>>n>>m;
for(int i=1;i<=n;i++){
cin>>a[i];
}
cout<<dfs(1,m);
return 0;
}