import java.util.*;
 
class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        String s = sc.next();
        
        if(a < 3200) {
        	System.out.println("Red");
        } else {
        	System.out.println(s);
        }
        
        sc.close();
    }
}
