#include<bits/stdc++.h> using namespace std; int main() { int n,c=0; cin>>n; for(int i=0;i<=n/5;i++){ for(int j=0;j<=n/3;j++){ for(int k=0;k<=n/3;k++){ if(i+j+3*k==n && 5*i+3*j+k==n){ c++; cout<<c<<": "<<i<<","<<j<<","<<k*3<<endl; } } } } if(c==0) cout<<"None"<<endl; return 0; }