#include <iostream>
#include <string>
#include <vector>
using namespace std;
typedef vector <string> vs;

vs split(const string &text, char delim=' '){
	int p1 = 0, p2 = 0;
	vs tokens;

	for (int i=0; i<(int)text.size(); i++)
		if (text[i] == delim){
			p2 = i;
			tokens.push_back(text.substr(p1, p2 - p1));
			p1 = p2 + 1;
		}
	tokens.push_back(text.substr(p1));
	return tokens;
}

int rot(string &text){
	for (int i=0; i<(int)text.size(); i++){
		char c=text[i];
		if (islower(c))
			if (c=='z') text[i]='a';
			else text[i]++;
	}
	return 0;
}

bool check(string text){
	vs words = split(text);
	for (int i=0; i<(int)words.size(); i++){
		string s = words[i];
		if (s=="the" || s=="this" || s=="that")
			return true;
	}
	return false;
}

int main(void){
	string s;
	while (true){
		getline(cin, s);
		if (cin.eof()) break;
		for (int i=0; i<26; i++)
			if (check(s)) break;
			else rot(s);
		cout<<s<<endl;
	}
	return 0;
}