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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n;
int p,i,ok;
int v[200];
void back(int p)
{
if(p==n+1)
{
ok=0;
for(i=1;i<=n;i++)
if(v[i]!=0)
ok=1;
if(ok)
{for(i=1;i<=n;i++)
if(v[i]==1)
fout<<i<<" ";
fout<<'\n';}
return;
}
v[p]=0;
back(p+1);
v[p]=1;
back(p+1);
}
int main()
{
fin>>n;
back(1);
return 0;
}