using System;

public class Program

{

    public static void Main()

    {

            Console.WriteLine("Give me your grade");

            int grade = int.Parse(Console.ReadLine());

            if (0<=grade&&grade<=100)

            {

                Console.WriteLine("Yes");

            }

            else

            {

                Console.WriteLine("No");

            }

            int a = int.Parse(Console.ReadLine());

    }

}