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

namespace P8_UseYourChains
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.SetIn(new StreamReader(Console.OpenStandardInput(8192)));
            string input = Console.ReadLine();
            string pattern = @"(?<=<p>)(.+?)(?=<\/p>)";
            StringBuilder wholeText = new StringBuilder();
            MatchCollection matches = Regex.Matches(input, pattern);
            foreach (Match match in matches)
            {
                wholeText.Append(match.ToString() + " ");
            }
            string replace = @"[^a-z0-9]";
            string replaced = wholeText.ToString();
            replaced=Regex.Replace(replaced, replace, " ");
            string removeSpaces = @"\s{2,}";
            replaced = Regex.Replace(replaced, removeSpaces, " ");
            char[] arr = replaced.ToCharArray();
            for (int i = 0; i < arr.Length; i++)
            {
                if(arr[i] >= 'a' && arr[i] <= 'm')
                {
                    Console.Write((char)(arr[i] + 13));
                }
                else if (arr[i] >= 'n' && arr[i] <= 'z')
                {
                    Console.Write((char)(arr[i] - 13));
                }
                else
                {
                    Console.Write(arr[i]);
                }
            }
        }
    }
}