Case10

using System;

namespace Case10
{
	class MainClass
	{
		public static void Main(string[] args)
		{
			int dir = 0;

			Console.Write("Исходное направление -> ");
			switch (Console.ReadLine()) {
			case "С":
				dir = 0;
				break;
			case "З":
				dir = 1;
				break;
			case "Ю":
				dir = 2;
				break;
			case "В":
				dir = 3;
				break;
			}
			Console.Write("Команда -> ");

			dir += int.Parse(Console.ReadLine());

			switch (dir) {
			case 0:
			case 4:
				Console.WriteLine("С");
				break;
			case 1:
				Console.WriteLine("З");
				break;
			case 2:
				Console.WriteLine("Ю");
				break;
			case 3:
			case -1:
				Console.WriteLine("В");
				break;
			}
		}
	}
}