题目描述
Given is a lowercase English letter C that is not z. Print the letter that follows C in alphabetical order.
-----Constraints-----
- C is a lowercase English letter that is not z.
-----Input-----
Input is given from Standard Input in the following format:
C
-----Output-----
Print the letter that follows C in alphabetical order.
-----Sample Input-----
a
-----Sample Output-----
b
a is followed by b.
输入格式
见题面
输出格式
见题面
样例输入
a
样例输出
b