#include <iostream>
#include <string>
using namespace std;

/**
*输入空格、回车参考链接:http://t.csdn.cn/lq5JY
**/

char convert(char a){
    if(a >= 'a' && a <= 'z' || a >= 'A' && a <= 'Z'){
        if(a == 'z' || a == 'Z')
            return a - 25;
        else
            return a + 1;
    }
    return a;
}

int main() {
    string str;

    while (getline(cin, str)) { // 注意 while 处理多个 case
        for (int i = 0; i < str.length(); i ++) {
            cout << convert(str[i]);
        }
        cout << endl;
    }
    return 0;
}
// 64 位输出请用 printf("%lld")