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#include <bits/stdc++.h>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
bool c[18];
void build(int n)
{
while(!c[n+1])
{
int i;
bool ok=0;
for(i=1;i<=n && c[i];i++)
c[i]=0;
c[i]=1;
for(int i=1;i<=n;i++)
if(c[i])
{
fout<<i<<' ';
ok=1;
}
if(ok)
fout<<'\n';
}
}
int main()
{
int n;
fin>>n;
build(n);
return 0;
}