#include<iostream> 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+k==n&&i%2==0&&j%2==0&&k%2==0&&k>=j&&j>=i) cout<<i<<" "<<j<<" "<<k<<endl; } } } return 0; }