public static void Main()
Console.WriteLine("Please give me your bowling score ");
score=int.Parse(Console.ReadLine());
Console.WriteLine("PERFECT SCORE");
else if (score>=200 && score<300)
Console.WriteLine("GREAT SCORE");
if (score>=100 && score<200)
Console.WriteLine("Good,you can do better");
Console.WriteLine("Sorry, you are not good at bowling");
Console.WriteLine("That´s impossible, please start again");