#include <bits/stdc++.h>
    using namespace std;
     
    int main() {
     int a;
     
      if(5000 > a&&a >= 3200)
       cout << "s" << endl;
     
      if(2800 <= a&&a < 3200 ){
       cout << "red" << endl;
      }
      if(a == 3200 ) 
       cout << "pink" << endl;
    }}