#include<iostream>
#include<string>
#include<ctype.h>
#include<string.h>
using namespace std;

int main(){
	string a;
	char temp;
	while(getline(cin,a)){
		for(int j=0;j<26;j++){
			for(int i=0;i<a.size();i++){
				if(isalpha(a[i])){
					if(a[i] == 122){
						a[i] -= 25;
					}else{
						a[i] += 1;
					}
				}
			}
			if(a.find("the")!=string::npos || a.find("that")!=string::npos || a.find("this")!=string::npos){
				cout << a << endl;
				break;
			}
		}
		a.clear();
	}
	return 0;
}