import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
Scanner in = new Scanner(System.in);
double degrees = Double.parseDouble(in.nextLine());

if (degrees < 5.00)
    System.out.println("unknown");
else if (degrees <=11.9)
    System.out.println("Cold");
else if (degrees <=14.9)
    System.out.println("Cool");
else if (degrees <=20.00)
    System.out.println("Mild");
else if (degrees <=25.9)
    System.out.println("Warm");
else if (degrees <= 35.00)
    System.out.println("Hot");

    }
}