#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES

#include "bits/stdc++.h"
#define REP(i,a,b) for(int i=a;i<b;++i)
#define rep(i,n) REP(i,0,n)
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#define ALL(a) begin(a),end(a)
#define ifnot(a) if(not (a))
#define dump(x)  cerr << #x << " = " << (x) << endl
using namespace std;

// #define int ll
#ifdef _MSC_VER
const bool test = true;
#else 
const bool test = false;
#endif

int dx[] = { 0,1,0,-1 };
int dy[] = { 1,0,-1,0 };
#define INF (1 << 28)
ull mod = (int)1e9 + 7;
//.....................
const int MAX = (int)2e5 + 5;

string s;

string solve() {
	rep(i, 30) {
		for (auto& c : s) {
			if (isalpha(c)) {
				c++;
				if (c > 'z') c = 'a';
			}
		}
		stringstream ss(s);
		// dump(ss.str());
		string s2;
		while (ss >> s2) {
			if (s2 == "the" || s2 == "this" || s2 == "that") {
				return s;
			}
		}
	}
	return ""s;
}

int main() {
	int N;
	while (getline(cin,s)) {
		cout << solve() << endl;
	}
	return 0;
}