#include<fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n,v[20],nv,i;
int main()
{
    fin>>n;
    v[1]=1;
    nv=1;
    do
    {
        for(i=1;i<=nv;i++)
            fout<<v[i]<<" ";
        fout<<"\n";
        if(v[nv]<n)
        {
            nv++;
            v[nv]=v[nv-1]+1;
        }
        else
        {
            nv--;
            v[nv]++;
        }
        if(nv==0)
            break;
    }while(1);
    fin.close();
    fout.close();
    return 0;
}