#include<iostream>
#include<algorithm>
using namespace std;
int cmp(int &a,int &b)
{
    return a>b;
}
int main()
{
    int n;
    long int b;
    long int sum;
    int i;
    int count;
    int cows[20000];
    cin>>n>>b;
    for(i=0;i<n;i++)
        cin>>cows[i];
    sort(cows,cows+n,cmp);
    sum=0;
    count=0;
    for(i=0;i<n;i++)
    {
        if(sum>=b)
            break;
        sum+=cows[i];
        count++;
    }
    cout<<count<<endl;
    return 0;
}