using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(IsPowerOf2(BoolsToInt(false, false, false)) == false);

        Console.WriteLine(IsPowerOf2(BoolsToInt(true, false, false)) == true);

        Console.WriteLine(IsPowerOf2(BoolsToInt(false, true, false)) == true);

        Console.WriteLine(IsPowerOf2(BoolsToInt(true, true, false)) == false);

        Console.WriteLine(IsPowerOf2(BoolsToInt(false, false, true)) == true);

        Console.WriteLine(IsPowerOf2(BoolsToInt(true, false, true)) == false);

        Console.WriteLine(IsPowerOf2(BoolsToInt(false, true, true)) == false);

        Console.WriteLine(IsPowerOf2(BoolsToInt(true, true, true)) == false);

    }

    private static bool IsPowerOf2(int x) {

        return (x != 0) && ((x & (x - 1)) == 0);

    }

    private static int BoolsToInt(bool a, bool b, bool c) {

        return BoolToInt(a) + (BoolToInt(b) << 1) + (BoolToInt(c) << 2);

    }

    private static int BoolToInt(bool b) {

        return b ? 1 : 0;

    }

}