#include <iostream>
#include <fstream>
using namespace std;
ifstream in("submultimi.in");
ofstream out("submultimi.out");
int main()
{
    int v[21]={}, n;
    in>>n;
    while(!v[0])
    {
        int i=n;
        while(v[i]==1)
        {
            v[i]=0;
            i--;
        }
        v[i]=1;
        if(i==0)
            break;
        for(i=1; i<=n; i++)
            if(v[i]==1)
            out<<i<<" ";
        out<<endl;
    }
}