#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip> 
#include <complex> 
#include <string>
#include <vector> 
#include <list>
#include <deque> 
#include <stack> 
#include <queue> 
#include <set>
#include <map>
#include <bitset>
#include <functional>
#include <utility>
#include <algorithm> 
#include <numeric> 
#include <typeinfo> 
#include <cstdio>
#include <cstdlib> 
#include <cstring>
#include <cmath>
#include <climits> 
#include <ctime> 

using namespace std;

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

		}
	}
	return 0;
}