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#include <bits/stdc++.h>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n, cnt;
int st[20];
inline void Afisare()
{
cnt++;
if(cnt==1)
return;
for(int i=1; i<=n; i++)
{
if(st[i]==1)
{
fout << i << " ";
}
}
fout << "\n";
}
inline void Back(int top)
{
if(top==n+1)
Afisare();
else
{
for(int i=0; i<=1; i++)
{
st[top]=i;
Back(top+1);
}
}
}
int main()
{
fin >> n;
Back(1);
return 0;
}