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#include <iostream>
#include <vector>
using namespace std;
//ifstream cin("submultimi.in");
//ofstream cout("submultimi.out");
vector <int>st;
void bkt(int pas,int n)
{
if(pas>n)
{
if(st.size()>=1)
{
for(int i=0; i<st.size(); i++)
{
cout<<st[i]<<" ";
}
cout<<endl;
}
return;
}
bkt(pas+1,n);
st.push_back(pas);
bkt(pas+1,n);
st.pop_back();
}
int main()
{
int n;
cin>>n;
bkt(1,n);
return 0;
}