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