#include<algorithm>
#include<iostream>
using namespace std;
int a[20005];
bool cmp(int a,int b)
{
	return a>b;
}
int main()
{
	int n,b,s=0,cnt=0;
	cin>>n>>b;
	for(int i=1;i<=n;++i)
		cin>>a[i];
	sort(a+1,a+n+1,cmp);
	int temp=1;
	while(s<b)
	{
		s+=a[temp];
		++cnt;
	}
	cout<<cnt;
	return 0;
}