using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter your number");

        int valueIn = Convert.ToInt32(Console.ReadLine());

        if (valueIn >= 50 && valueIn <= 80)

        {

            Console.WriteLine("\nThe number that you have entered is " + valueIn);

        }

        else

        {

            Console.WriteLine("\nValue out of range");

        }       

    }

}