
import java.util.*;
import java.lang.*;
import java.io.*; 


class solution {
    public static void main(String[] args){
      Sacnner sc  = new Scanner(System.in);
      int a= sc.nextInt();
       if(a>3200 && a<3200)
         System.out.println("red");
      if(a==3200)
         System.out.println("pink");
    }
  }