public class Uebung5_5 {

	public static void main(String[] args) {
		char decode;
		char input = args[0].charAt(0);
		int position = Integer.parseInt(args[1]);

		if (position >26) {
			System.out.println("please enter a value between 0-26");
			System.exit(1);
		}

		if (input+position > 'Z') {
			decode = (char)(('A' + ( position - ('Z' - input )))-1);
		} else {
			decode = (char)(input+position);
		}
		System.out.println(input+" => "+decode);
	}
}