using System;
using System.Linq;

namespace RedditDailyProgrammer
{
    class Program
	{
            static void Main(string[] args)
            {
                Console.WriteLine(number110Decode("Jr;;p ept;f"));
                Console.WriteLine(number110Decode("Lmiyj od ,u jrtp"));
                Console.WriteLine(number110Decode("Trffoy $22- Dp;brf/"));
            }

            static string number110Decode(string msg)
            {
                string unshift = " QWERTYUIOP{}ASDFGHJKL:\"ZXCVBNM<>?qwertyuiop[]asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+`1234567890-=";
                return new string(msg.Select((ch) => unshift[Math.Max(unshift.IndexOf(ch) - 1, 0)]).ToArray());
            }
	}
}