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

using namespace std;

int main()
{
	string str;

	while ( getline( cin, str ) )
	{
		for ( unsigned int i = 0; i < 26; i++ )
		{
			for ( unsigned int i = 0; i < str.length(); i++ )
			{
				if ( 'a' <= str[i] && str[i] <= 'z' )
				{
					str[i]++;
					if ( 'z' <= str[i] )
					{
						str[i] -= 'z' - 'a';
					}
				}
			}

			if ( str.find("the ") == 0 || 
				str.find(" the ") != string::npos ||
				str.find(" the.") != string::npos ||
				str.find("this ") == 0 ||
				str.find(" this ") != string::npos ||
				str.find(" this.") != string::npos ||
				str.find("that ") == 0 ||
				str.find(" that ") != string::npos ||
				str.find(" that.") != string::npos )
			{
				cout << str << endl;
				return 0;
			}
		}
	}

	return 0;
}