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