#include<bits/stdc++.h>
using namespace std;
#define N 20005
bool cmp(int a, int b)
{
    return a > b;
}
int main()
{
    int n, h[N], b, sum = 0, ct = 0;
    cin >> n >> b;
    for(int i = 1; i <= n; ++i)
        cin >> h[i];
    sort(h+1, h+1+n, cmp);//降序排序
    for(int i = 1; i <= n; ++i)
    {
        sum += h[i];
        if(sum >= b)
        {
            cout << i << endl;
            break;
        }
    }
    return 0;
}