// Helene Martin, CSE 142
// Encodes a secret message by rotating each letter
// by the amount given in a secret key.
// http://en.wikipedia.org/wiki/Caesar_cipher

import java.util.*;

public class CaesarCypher {
   public static void main(String[] args) {
      Scanner console = new Scanner(System.in);
      
      System.out.print("Your secret message: ");
      String message = console.nextLine();
      message = message.toLowerCase();
      
      System.out.print("Your secret key: ");
      int key = console.nextInt();
      
      for (int i = 0; i < message.length(); i++) {
         // we can use == on chars because they are primitives
         if (message.charAt(i) == ' ') {
            System.out.print(" ");
         } else {
            System.out.print((char)(message.charAt(i) + key));
         }
      }
   }
}