/*#include <iostream>
#include <fstream>

using namespace std;

int n, i, j, k = 1;
int v[18];
bool gata = 0;

int main()
{
    ifstream f("submultimi.in");
    ofstream g("submultimi.out");
    f >> n;
    v[1] = 1;
    g << 1 << '\n';
    while(!gata)
    {
        gata=1;
        k=1;
        for(i=1;i<=n;i++)
        {
            if(v[i] == 1 && k == 1)
                v[i] = 0;
            else
            {
                v[i]+=k;
                k = 0;
            }
            if(v[i] == 1)
                g << i << ' ';
            else
                gata = 0;
        }
        g << '\n';
    }
    return 0;
}*/
#include <fstream>

using namespace std;
int n,i,t,k;
bool v[20];
int main()
{
    ifstream f("submultimi.in");
    ofstream g("submultimi.out");

    f>>n;
    v[1]=1;
    g<<1<<'\n';
    while(k==0)
    {
        k=1;t=1;
        for(i=1;i<=n;i=i+1)
        {
            if(v[i]==1&&t==1)
                v[i]=0;
            else
            {
                v[i]+=t;
                t=0;
            }
            if(v[i]==1)
                g<<i<<' ';
            else
                k=0;
        }
        g<<'\n';
    }


    return 0;
}