#include <iostream> #include <string> #include <cctype> using namespace std; int main() { string s; getline(cin, s); for (int i = 0; i < s.size(); i++) { if (islower(s[i])) { if (s[i] == 'z') s[i] = 'a'; else s[i]++; } else if (isupper(s[i])) { if (s[i] == 'Z') s[i] = 'A'; else s[i]++; } } cout << s << endl; return 0; }