include<bits/stdc++.h>

using namespace std;

char change(char c){

char newc ;

if(c >= 'a' && c <= 'z'){
	newc = c + 'A' - 'a';
}else if(c >= 'A' && c <= 'Z'){
	newc = c - 'A' + 'a';
}

return newc;

}

int main(){

string s;
cin >> s;

for(int i = 0; i < s.length(); i++){
	s[i] = change(s[i]);
}

reverse(s.begin(), s.end());

for(int i = 0; i < s.length(); i++){
	if(s[i] == 'x') s[i] = 'a';
	else if(s[i] == 'y') s[i] = 'b';
	else if(s[i] == 'z') s[i] = 'c';
	else if(s[i] == 'X') s[i] = 'A';
	else if(s[i] == 'Y') s[i] = 'B';
	else if(s[i] == 'Z') s[i] = 'C';
	else s[i] = s[i] + 3;
}

cout << s;

}