using System;

public class Program

{

    public static void Main()

    {

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

        bool isValid = n>=0 && n<=100;

            while (isValid)

            {

            Console.WriteLine("You've entered wrong number!Try again!");

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

                isValid = n>=0 && n<=100;

            }

    }

}