#include <iostream>
#include <fstream>
using namespace std;

ifstream in("submultimi.in");
ofstream fout("submultimi.out");
int v[20]={0},n;
void subm(int x)
{
    if(x>n){
        for(int i=1;i<=n;i++)
            if(v[i]==1)
                fout<<i<<" ";
        fout<<endl;
        return ;

    }
    v[x]=0;
    subm(x+1);
    v[x]=1;
    subm(x+1);
}
int main()
{
    in>>n;
    subm(1);
    return 0;
}