题目描述
Problem Description
You are given a string $ S $. Output the first character of $ S $.
Input Format
The string $ S $ is given in one line.
$ S $
Output Format
Output the first character of $ S $. Make sure to include a newline at the end.
Sample Input and Output
Sample Input #1
Iroha
Sample Output #1
I
Sample Input #2
AtCoder
Sample Output #2
A
Notes/Hints
Constraints
- $1 \leq |S| \leq 100$
- $ S $ is a string consisting of alphanumeric characters.
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分
样例输入
Iroha
样例输出
I