import java.util.*;

public class Main {

	public static void main(){
		Scanner sc  = new Scanner(System.in);
		Scanner sc2 = new Scanner(System.in); 
		int a = sc;
		String s = sc2;

		if(a >= 3200){
			System.out.println(s);
		}else{
			System.out.println(red);
		}
	}
}