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#include <fstream>
#include <vector>
using namespace std;
ifstream in("submultimi.in");
ofstream out("submultimi.out");
vector <int> v;
void bkt(int pas)
{
if(pas==0)
{
if(v.size()!=0)
{
for(int i=v.size()-1;i>=0;i--)
{
out<<v[i]<<' ';
}
out<<'\n';
}
return;
}
bkt(pas-1);
v.push_back(pas);
bkt(pas-1);
v.pop_back();
}
int main()
{
int n;
in>>n;
bkt(n);
return 0;
}