#include<cstdio>
#include<string>

using namespace std ;

int main() {
    char arr[100];
    fgets(arr, 100, stdin);
    string str = arr ;
    for (unsigned i = 0 ; i < str.size() ; ++ i ) {
        if (str[i] >= 'a' && str[i] < 'z'
                || str[i] > 'A' && str[i] < 'Z') {
            str[i] = str[i] + 1;
        } else if (str[i] == 'z' ) {
            str[i] = 'a';
        } else if ( str[i] == 'Z') {
            str[i] = 'A';
        } else {
            str[i] = str[i];
        }

    }
    printf("%s", str.c_str());
}