using System;

public class Program

{

    public static void Main()

    {

        int nilai = 75;

        if (nilai < 60) {

            Console.WriteLine("Nilai Kamu C" );

        }

        else if  (nilai < 80) {

            Console.WriteLine("Nilai kamu B");

        }

        else {

            Console.WriteLine("Nilai kamu A");

        }

        // Outputs "Kamu Berhasil"

    }

}