#include<fstream>
using namespace std;
int a[10001];
int main()
{
    int i,n,ok = 0;
    ifstream fin("submultimi.in");
    ofstream fout("submultimi.out");
    fin>>n;
    fin.close();
    for(i=1;i<=n;i++)
        a[i]=0;
    while(a[0]==0)
    {
        for(i=1;i<=n;i++)
            if(a[i]==1)
                fout<<i<<" ";
        if(ok)
            fout<<"\n";
        ok = 1;
        i=n;
        while(a[i]==1)
        {
            a[i]=0;
            i--;
        }
        a[i]=1;
    }
    fout.close();
    return 0;
}