#include <iostream>
#include <string>

using namespace std;

int main()
{
	string s;
	while(getline(cin, s))
	{
		for(int j = 0; j < 26; j++)
		{
			for(int i = 0; i < s.size(); i++)
			{
				if(s[i] >= 'a' && s[i] <= 'z')
				{
					s[i] = (s[i] == 'z') ? 'a' : s[i] + 1;
				}
			}
			if(s.find("the") != string::npos || s.find("this") != string::npos || s.find("that") != string::npos)
			{		
				cout << s << endl;
			}
		}
	}
	return 0;
}