include

include

using namespace std;

int main() {

string s;
getline(cin, s);
for (int i = 0; i < s.size(); i++) {
	if (s[i] == ' ')
		continue;
	else if ((s[i] >= 'C' && s[i] <= 'Z') || (s[i] >= 'c' && s[i] <= 'z'))
		s[i] -= 2;
	else {
		if (s[i] == 'a')
			s[i] = 'y';
		if (s[i] == 'b')
			s[i] = 'z';
		if (s[i] == 'A')
			s[i] = 'Y';
		if (s[i] == 'B')
			s[i] = 'Z';
	}
}
for (int i = 0; i < s.size(); i++) {
	cout << s[i];
}
return 0;

}