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

int main() {

  string input = "";
  getline( cin, input );

  char c;
  for ( int i = 0; i < 26; i++ ) {

    string ans = "";
    for ( int j = 0; j < input.size(); j++ ) {

      c = input[j];
      if ( c >= 'a' && c <= 'z' ) {
	c = 'a' + ( c - 'a' + i )%26 ;
      }
      ans += c;

    }

    if ( ans.find( "the", 0 ) == string::npos && ans.find( "this", 0 ) == string::npos && ans.find( "that", 0 ) == string::npos ) continue;

    cout << ans << endl;

    break;

  }

  return 0;

}