#include<iostream>
#include<algorithm>
using namespace std;
inline bool cmp(char a,char b) 
    { 
          return a>b; 
    } 
int a[20003];
int main()
{
	long int n,m,i,sum=0;
	cin>>n>>m;
	for(i=0;i<n;i++)
		cin>>a[i];
	sort(a,a+n,cmp);
	i=0;
	while(sum<m)
		sum+=a[i++];
	cout<<i<<endl;
	return 0;
}