#include <iostream> #include <cstdio> using namespace std; int main(){ int b=0,c=0,n=0,a=0,m=0,s=0; cin>>n; for(a=0;a<=n/5;a++){ for(b=0;b<=n/3;b++){ for(c=0;c<=n;c++){ if(a+c+b==n && a*5+b*3+c/3.0==n){ m=1; s++; cout<<s<<": "<<a<<","<<b<<","<<c<<" "; } }}} if(m==0){ cout<<"None"; } return 0; }