#include<bits/stdc++.h>
using namespace std;

int main(){
    string s;
    while(getline(cin, s)){
        for(int i=0;i<26;++i){
            string ans;
            for(int j=0;j<s.size();++j){
                if(s[j] >= 'a' && s[j] <= 'z'){
                    char c = (s[j] - 'a' + i) % 26 + 'a';
                    ans.push_back(c);
                }else{
                    ans.push_back(s[j]);
                }
            }
            if(ans.find("the") != -1 || ans.find("this") != -1 || ans.find("that") != -1){
                cout << ans << endl;
                break;
            }
        }
    }

    return 0;
}
