#include<iostream>
#include<string>
using namespace std;

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