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#include <iostream>
#include <fstream>
using namespace std;
ofstream fout("submultimi.out");
ifstream fin("submultimi.in");
int n,m,sol[17];
int valid(int k)
{
if(k==1)
return 1;
else
return sol[k]>sol[k-1];
}
void Back(int k)
{
if(k>1)
{
for(int i=1;i<k;i++)
fout<<sol[i]<<" ";
fout<<endl;
}
sol[k]=0;
while(sol[k]<n)
{
sol[k]++;
if(valid(k))
Back(k+1);
}
}
int main()
{
fin>>n;
Back(1);
}