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#include <fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,nr,x[20];
void afis()
{ nr++;
if(nr>1)
{ for(int i=1;i<=n;i++)
if(x[i]) g<<i<<" ";
g<<'\n';
}
}
void back()
{ int k=1;
x[k]=-1;
do
{ while(x[k]<1)
{ x[k]++;
if(k==n) afis();
else {k++; x[k]=-1;}
}
k--;
}
while(k);
}
int main()
{ f>>n;
back();
return 0;
}