#include <iostream>
#include <algorithm>
using namespace std;

void Bookshel()
{
    int N = 0 , B = 0 ;
    cin >> N >> B ;
    int cows[N] ;
    int Height = 0 , Num = 0 ;
    for ( int i = 0 ; i < N ; i++ )
    {
        cin >> cows[i] ;
    }
    sort( cows , cows + N ) ;
    while ( B > Height )
    {
        int i = N - 1 ;
        Height += cows[i] ;
        i-- ;
        Num++ ;
    }
    cout << Num << endl ;
}

int main(int argc, const char * argv[]) {

    Bookshel() ;
    
    return 0;
}