Words in Plural

            string inputString = Console.ReadLine();

            if (inputString.EndsWith("y"))
            {
                inputString = inputString.Remove(inputString.Length - 1);
                Console.WriteLine($"{inputString}ies");
            }
            else if (inputString.EndsWith("o") || inputString.EndsWith("ch") || inputString.EndsWith("s")
                ||  inputString.EndsWith("sh") || inputString.EndsWith("x")  || inputString.EndsWith("z"))

            {
                Console.WriteLine($"{inputString}es");
            }
            else
            {
                Console.WriteLine($"{inputString}s");
            }