Console Calculator

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {

            /* Project by Ra1n */

            string Name;

            // Name input and output.
            Console.WriteLine();
            Console.ForegroundColor = ConsoleColor.Cyan;
            Console.Write("  Enter your name: ");
            Name = Convert.ToString(Console.ReadLine());
            Console.Clear();
            Console.WriteLine();
            Console.WriteLine("  Hello, " + Name);
            Console.WriteLine();

            // First input value.
            Console.ForegroundColor = ConsoleColor.Red;
            Console.Write("  Enter a number: ");
            int x = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine();

            // Second input value.
            Console.Write("  Enter another number: ");
            int y = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine();

            // Sum options.
            Console.ForegroundColor = ConsoleColor.Yellow;
            Console.WriteLine("  Enter 1 for addition");
            Console.WriteLine("  Enter 2 for subtraction");
            Console.WriteLine("  Enter 3 for multiplication");
            Console.WriteLine("  Enter 4 for division");
            Console.WriteLine();

            // Select option.
            Console.ForegroundColor = ConsoleColor.Yellow;
            Console.Write("  Option: ");
            int z = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine();

            Console.Clear();

            // Sum Answer
            Console.WriteLine();
            Console.ForegroundColor = ConsoleColor.Green;
            Console.Write("  The answer is: ");
            switch (z)
            {
                case 1:
                    Console.WriteLine(x + y);
                    break;
                case 2:
                    Console.WriteLine(x - y);
                    break;
                case 3:
                    Console.WriteLine(x * y);
                    break;
                case 4:
                    Console.WriteLine(x - y);
                    break;
            }

            Console.ReadKey();

        }
    }
}