#include <bits/stdc++.h> using namespace std; int main() { int n; cin>>n; int x,y,z; int m=0; for(int x=0;x<=n/5;x++){ for(int y=0;y<=n/3;y++){ for(int z=0;z<=n;z++){ if(x+y+z==n && 5*x+3*y+(1.0/3)*z==n){ m++; cout<<m<<": "<<x<<","<<y<<","<<z<<endl; } } } } if(m==0){ cout<<"None"; } return 0; }