# include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
short v[17],k,i,n;
int main () {
    fin>>n;
    while(v[0]==0){
            k=0;
        for(i=1;i<=n;i++){
            if(v[i]==1){
                fout<<i<<" ";
                k++;
            }
        }
        if(k!=0)
            fout<<"\n";
            i=n;
        while(i>0&&v[i]==1){
            v[i]=0;
            i--;
        }
        v[i]=1;
    }
    return 0;
}