public static readonly int[] notes_available = new int[] {10, 20, 50};
public static void Main()
public static void FizzBuzz(int num)
for(int i = 1; i <= num; i++)
if (i % 5 == 0 && i % 3 == 0)
Console.WriteLine("fizzbuzz");
Console.WriteLine("fizz");
Console.WriteLine("buzz");