using System;

public class Program

{

    public static void Main()

    {

        var a = false;

        var b = false;

        var c = true;

        var d = false;

        Console.WriteLine("a && b || c || d => {0} && {1} || {2} || {3} == {4}",a,b,c,d, a&&b||c||d);

        Console.WriteLine("(a && b) || c || d => ({0} && {1}) || {2} || {3} == {4}",a,b,c,d, (a&&b)||c||d);

        Console.WriteLine("a && (b || c || d) => {0} && ({1} || {2} || {3}) == {4}",a,b,c,d, a&&(b||c||d));     

    }

}