C++ :

#include<iostream>
using namespace std;
const int N = 55;
int n,c,ci[N],book[N],ans;
void dfs(int sum,int k)
{
	if(sum>c){
		if(sum-k>ans) ans=sum-k;
		return ;
	}
	for(int i=1;i<=n;i++){
		if(book[i]==0){
			book[i]=1;
			dfs(sum+ci[i],ci[i]);
			book[i]=0;
		}
	}
	return ;
}
int main()
{
	cin>>n>>c;
	for(int i=1;i<=n;i++)
		cin>>ci[i];
	dfs(0,0);
	cout<<ans<<endl;
	return 0;
}