#include <iostream> using namespace std; int main() { string s; getline(cin, s); string result = " "; for (int i = 0; i < s.length(); i++) { char c = s[i]; if ((c >= 'a' && c < 'z') || (c >= 'A' && c < 'Z')) { result += char(c + 1); } else if (c == 'z') { result += 'a'; } else if (c == 'Z') { result += 'A'; } else { result += c; } } cout << result << endl; return 0; }