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#include <fstream>
#include <iostream>
#include <algorithm>
#include <queue>
#include <cstring>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int v[17],ok[17],cnt;
void BKT(int n)
{
if(cnt!=0)
{
for(int i=1;i<=cnt;i++)
fout<<v[i]<<' ';
fout<<'\n';
for(int i=1;i<=n;i++)
if(!ok[i]&&i>v[cnt])
{
v[++cnt]=i;
ok[i]=1;
BKT(n);
ok[i]=0;
cnt--;
}
}
else
for(int i=1;i<=n;i++)
{
v[++cnt]=i;
ok[i]=1;
BKT(n);
ok[i]=0;
cnt--;
}
}
int main()
{
int n;
fin>>n;
BKT(n);
return 0;
}