#include<iostream>
#include<string>

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