using System;

public class Program

{

    public static void Main()

    {

        int grade;

        Console.WriteLine("Kindly enter your grade here:");

        grade = Convert.ToInt32(Console.ReadLine());

        if(grade >= 90){

            Console.WriteLine("Congrats! You got an A!");

        }

        else if(grade >= 85){

            Console.WriteLine("Congrats! You got a B,");

        }

        else if(grade >= 80){

            Console.WriteLine("Congrats! You got a C!");

        }

        else if(grade >= 75){

            Console.WriteLine("Congrats! You got a D!");

        }

        else if(grade >= 65){

            Console.WriteLine("You got an F. Sadly, you didn't pass this grading but don't worry, there's always another chance.");

        }

    }

}