#include <iostream>
#include <cstring>
#include <cstdlib>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <map>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,b) FOR(i,0,b)
#define PB push_back
#define MP make_pair
int main(){
  string s;
  getline(cin,s);
  for(int i=0;i<26;i++){
    if(s.find("the")!=string::npos)break;
    if(s.find("that")!=string::npos)break;
    if(s.find("this")!=string::npos)break;
    for(int i=0;i<s.size();i++){
      if(!isalpha(s[i]))continue;
      s[i]++;
      if(s[i]>'z')s[i]-=26;
    }
  }
  cout<<s<<endl;
}