using System;

public class Program

{

    public static void Main()

    {

        var inputA = true;

        var inputB = true;

        var inputC = false;

        var hasA = inputA || inputB || inputC;

        var onlyB = !inputA && inputB && !inputC;

        var everyThing = inputA && inputB && inputC;

        if(inputA || inputB || inputC)

            Console.WriteLine($"hasA: {hasA}");

        if(!inputA && inputB && !inputC)

            Console.WriteLine($"onlyB: {onlyB}");

        if(everyThing)

            Console.WriteLine($"Everything: {everyThing}");

    }

}