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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("submultimi.in");
ofstream fout ("submultimi.out");
vector<int>v;
void bkt(int n,int p)
{
if(p==n+1)
return;
{
v.push_back(p);
for(int i=0;i<v.size();i++)
fout<<v[i]<<' ';
if(v.size())
fout<<'\n';
bkt(n,p+1);
v.pop_back();
bkt(n,p+1);
}
}
int main()
{
int n;
fin>>n;
bkt(n,1);
return 0;
}