#include<iostream> using namespace std; int main() { int n,xj,flag=0,p=0; cin>>n; for(int gj=0;gj<=n/5;gj++){ for(int mj=0;mj<=n/3;mj++){ xj=n-gj-mj; if(xj>=0&&gj+mj+xj==n&&5*gj+3*mj+xj/3==n&&xj%3==0){ p++; flag++; cout<<p<<'：'<<gj<<','<<mj<<','<<xj<<endl; } } } if(flag==0){ cout<<"None"; } return 0; }