public static void Main()
bool D = A + B > Math.Pow(B,2);
Console.WriteLine("Ejercicio 4");
Console.WriteLine("X = "+X);
Console.WriteLine("Y = "+Y);
Console.WriteLine("Z = "+Z);
Console.WriteLine("\n"+"Ejercicio 5");
Console.WriteLine("a = "+a);
Console.WriteLine("b = "+b);
Console.WriteLine("c = "+c);
Console.WriteLine("d = "+d);