//Forskyv tekst med tre bokstaver i alfabetet

#include <iostream>
#include <string>

int main()
{
	std::string alphabet = "abcdefghijklmnopqrstuvwxyz";
	std::string input;
	std::string output = "";
	std::cin >> input;

	for (unsigned long i = 0; i < input.length(); i++)
	{
		//std::cout << "Alphabet length : " << alphabet.length() << '\n';
		unsigned long j = 0;
		while (true)
		{
			//std::cout << "DEBUG:" << alphabet[j] << '\n';
			//std::cout << "Before comparison: "<< j << '\n';
			if (input[i] == alphabet[j])
			{
				std::string c = "";
				if (j + 3 > alphabet.length())
				{
					j -= alphabet.length();
				}
				c = alphabet[j + 3];
				output.append(c);
				break;
			}
			j++;
			//std::cout << "After comparison " << j << '\n';
		}
	}
	std::cout << output;
}