getline

#include<bits/stdc++.h>
using namespace std;
char func(char a) {
    if ('a' <= a && a <= 'y' || 'A' <= a && a <= 'Y') return a + 1;
    else if (a == 'z') return 'a';
    else if (a == 'Z') return 'A';
    else return a;
}
int main() {
    string line;
    getline(cin, line);
    for (int i = 0; i < line.size(); i++) {
        cout << func(line[i]);
    }
}