#include <bits/stdc++.h> using namespace std; string s; int main() { cin >> s; for(int i=0;i<s.size();i++) { if(s[i] >="a" && s[i] <="z") { s[i] -=32; } else s[i] +=32; } reverse(s.begin(),s.end()); for(int i=0;i<s.size();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] == "Y") s[i] = "A"; else if(s[i] == "X") s[i] = "B"; else if(s[i] == "Z") s[i] = "C"; } return 0; }