#include<iostream>
using namespace std;
int x[10],a[10],n,s;
void afisare(int n)
{
	for(int i=1;i<=n;i++)
		cout<<a[x[i]]<<",";
	cout<<"\b";
	cout<<endl;
}
void back(int i,int sr)
{int sn=0;
for(int j=x[i-1]+1;j<=n;j++)
{
x[i]=j;
sn=sr-a[j];
	if(sn==0)
	afisare(i);
else if(i<n && sn>0)
	back(i+1,sn);
}
}
int main()
{
	cout<<"Dati numarul N si suma S";
	cin>>n>>s;
	for(int i=1;i<=n;i++)
		cin>>a[i];
	back(1,s);
}