using System;

public class Program

{

    public static void Main()

    {

        //Rodrigo Machain

      int g;

      Console.WriteLine("Hello usser, Can you give me your score?");

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

        if ( g == 300 )

        {

            Console.WriteLine("Perfect score");

        }

        else if ( g == 200 || g > 200)

        {

        Console.WriteLine("Great score!!");

        }

        else if ( g == 100 || g > 100)

        {

        Console.WriteLine("Good, you can do better");

        }

        else if ( g < 100 )

        {

        Console.WriteLine("Sorry, youre not at bowling");

        }

        else if ( g > 300 )

        {

        Console.WriteLine("That´s imposible, please start again");

        }

    }

}