#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <queue>
#include <cstring>
#include <functional>

using namespace std;

#define REP(i,a,b) for((i)=(a);(i)<(int)(b);(i)++)
#define rep(i,n) REP(i,0,n)
// BEGIN CUT HERE
#define foreach(itr,c) for(typeof((c).begin()) itr=(c).begin();itr!=(c).end();itr++)
template<class T> inline string toString(T x){ostringstream sout;sout<<x;return sout.str();}
// END CUT HERE

int main(){
  string str;

  while(getline(cin,str)){
    int i, N = str.size();

    while(1){
      rep(i,N) if('a' <= str[i] && str[i] <= 'z') str[i]--;
      if(str.find("this") != -1 || str.find("the") != -1 || str.find("that") != -1){
        cout << str << endl;
        break;
      }
    }
  }

  return 0;
}