#include<iostream>
#include<stdio.h>
using namespace std;
int i,j,k,n;
int main ()
{
    freopen("permutari.in","r",stdin);
    cin>>n;
    fclose(stdin);
    freopen("permutari.out","w",stdout);
    for(i=1; i<=n; i++)
     for(j=1; j<=n; j++)
      for(k=1; k<=n; k++)
       if(i!=j && i!=k && j!=k)
        cout<<i<<' '<<j<<' '<<k<<endl;
    fclose(stdout);
    return 0;
}