#include<bits/stdc++.h> using namespace std; int main() { int n; int num=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;k++) { if(5*i+3*j+1.0/3*k==n && i+j+k==n) { num++; cout<<num<<": "<<i<<","<<j<<","<<k<<endl; } } } } if(num == 0) { cout<<"None"; } return 0; }