#include <bits/stdc++.h> using namespace std; int main(){ string s; getline(cin, s); int n = s.size(); for (int i=0; i<n; i++){ if (s[i] >= 'a' && s[i] <= 'z'){ s[i] = (s[i]-'a' + 1) % 26 + 'a'; } if (s[i] >= 'A' && s[i] <= 'Z'){ s[i] = (s[i]-'A' + 1) % 26 + 'A'; } } cout << s << endl; return 0; }