using System;

public class Program

{

    [Flags]

    public enum FizzBuzzFlags

    {

        None = 0,

        Fizz = 1 << 0,

        Buzz = 1 << 1,

        FizzBuzz = Fizz | Buzz

    }

    public static FizzBuzzFlags FizzBuzz(int value)

    {

        var flags = FizzBuzzFlags.None;

        if(value % 3 == 0)

            flags |= FizzBuzzFlags.Fizz;

        if(value % 5 == 0)

            flags |= FizzBuzzFlags.Buzz;

        return flags;

    }

    public static void Main()

    {

        for(int i = 1; i <= 100; i++)

            Console.WriteLine(i + ": " + FizzBuzz(i));

    }

}