#include<iostream> using namespace std; int main () { int number; cin>>number; if(n%6==1) cout<<"红"; if(n%6==2) cout<<"红"; if(n%6==3) cout<<"红"; if(n%6==4) cout<<"黄"; if(n%6==5) cout<<"黄"; if(n%6==6) cout<<"白"; return 0; }