#include <iostream>
#include <string>
#include <ctype.h>
using namespace std;

int main(){
    string before;
    while (getline(cin, before)) {
        int swich = 0;
        for (int i = 0; i < 27 ;i++) {
            for (int j = 0; j < before.size(); j++) {
                if (isalpha(before[j])) {
                    before[j]++;
                }
                if (before[j]>'z') {
                    before[j] = 'a';
                }

            }
            for (int j = 0; j < before.size(); j++) {
                if (before[j]=='t'&& before[j+1]=='h'&& before[j+2]=='e') {
                    if (before[j+3]==' '|| before[j+3]=='.'|| before[j+3] == '\n') {
                        swich = 1;
                        break;
                    }
                }
                else if (before[j]=='t'&&before[j+1]=='h'&&before[j+2]=='a'&&before[j+3]=='t') {
                    if (before[j+4]==' '||before[j+4]=='.'|| before[j+4] == '\n') {
                        swich = 1;
                        break;
                    }
                }
                else if (before[j]=='t'&&before[j+1]=='h'&&before[j+2]=='i'&&before[j+3]=='s') {
                    if (before[j+4]==' '||before[j+4]=='.'|| before[j+4] == '\n') {
                        swich = 1;
                        break;
                    }
                }
            }
            if (swich == 1) {
                break;
            }
        }
        cout << before << endl;
    }
    return 0;
}