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