#include<bits/stdc++.h> using namespace std; int main() { int n,s=0; int sum=0; cin>>n; for(int x=1;x<=n/5;x++){ for(int y=1;y<=n/3;y++){ for(int z=1;z<=0;z++){ if(x+y+z==n&&5*x+3*y+z/3.0==n){ sum=1; s++; cout<<s<<": "<<x<<","<<y<<","<<z; } } } } if(sum==0){ cout<<"None"; } return 0; }