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

void coding(){
  string s;
  int cnt=0;

  while(getline(cin, s)){


    while(true){
      bool flag=false;
      
      for(int i=0;i<s.length();i++){
	string key1 = s.substr(i,3);
	string key2 = s.substr(i,4);
	if(key1 == "the" || key2 == "this" || key2 == "that"){
	  flag = true;
	  break;
	}
      }
      
      if(flag){
	cout << s << endl;
	break;
      }
    
      for(int i=0;i<s.length();i++){
	if(s[i] > 'a' && s[i] < 'z'){
	  s[i] -= 'a';
	  s[i] += 1;
	  s[i] = s[i]%('A'-'a');
	  s[i] += 'a';
	}
      }
    }
  }
}


int main(){
  coding();
}
  