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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("submultimi.in");
ofstream fout ("submultimi.out");
int stk[11], len;
void afisare ()
{
for(int i=0;i<len;i++)
fout<<stk[i]<<" ";
fout<<'\n';
}
void bkt (int pas, int n)
{
if(pas>n)
{
afisare();
return;
}
stk[len++]=pas;
bkt(pas+1,n);
stk[len-1]=0;
len--;
bkt(pas+1,n);
}
int main() {
int n;
fin>>n;
bkt(1,n);
return 0;
}