using System;

public class Program

{

    public static void Main()

    {

      int x;

        Console.WriteLine("Welcome can you give me your score at bowling please");

        Console.WriteLine("What was your last score?");

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

        if (x==300)

        {

            Console.WriteLine("PERFECT SCORE!");

        }

        else if (x==200|| x>200&& x<300)

        {

            Console.WriteLine("GREAT SCORE!");

        }

        else if (x==100 ||x>100 && x<200)

            {

                Console.WriteLine("GOOD, MORE LUCKY NEXT TIME");

            }

        else if ( x<100 )

        {

            Console.WriteLine("SORRY YOU ARE NOT SO GOOD AT BOWLING");

        }

        else if ( x>300 )

        {

            Console.WriteLine("THAT´S NOT POSSIBLE. PLEASE START AGAIN");

        }

    }

}