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

int main(){

  string s;
  int k = 0;

  getline(cin,s);

  for(int i=0;i<s.size();i++){
    for(int j=-25;j<26;j++){
      if(s[i]+j == 't' && s[i+1]+j == 'h'){
	if(s[i+2]+j == 'e') k = j;
	if(s[i+2]+j == 'i' && s[i+3]+j == 's') k = j;
	if(s[i+2]+j == 'a' && s[i+3]+j == 't') k = j;
      }
    }
  }

    for(int i=0;i<s.size();i++){
      if(s[i] <= 'z' && s[i] >= 'a') cout << (char)(s[i]+k);
      else cout << s[i];
    }

    cout << endl;

}