#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ for(int k=1;k<=n;k++){ if(i<=j&&j<=k&&i%2==0&&j%2==0&&k%2==0&&i+j+k==n){ cout<<i<<" "<<j<<" "<<k<<endl; } } } } return 0; }