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#include <fstream>
using namespace std;
ifstream f("submultimi.in");ofstream g("submultimi.out");
int n, k, x[17];
void afis()
{ for(int i=1;i<=n;i++) if(x[i]) g<<i<<' ';
g<<'\n';
}
void back()
{ k=1; x[1]=-1;
do
{ while(x[k]+1<=0)
{ x[k]++;
if(k==n) afis(); else x[++k]=-1;
}
k--;
}
while(k);
}
int main()
{ f>>n;
back();
g.close(); return 0;
}