#include<fstream>
#include<cmath>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n,v[300],i,j,x,y,t2;
int main()
{
    fin>>n;
    while(i<=n){
        for(i=1;i<=n;i++)
        if(v[i]==0){
            v[i]=1;
            break;
        }
        else
            v[i]=0;
        for(j=1;j<=n;j++)
                if(v[j]==1)
                   fout<<j<<" ";
            fout<<"\n";
    }
 return 0;
}