#abc224a. A - Tires
A - Tires
Score : points
问题描述
给定一个以 er
或 ist
结尾的字符串 。
如果 以 er
结尾,则输出 er
;如果以 ist
结尾,则输出 ist
。
以上为通义千问 qwen-max 翻译,仅供参考。
Problem Statement
You are given a string ending with er
or ist
.
If ends with er
, print er
; if it ends with ist
, print ist
.
Constraints
- consists of lowercase English letters.
- ends with
er
orist
.
Input
Input is given from Standard Input in the following format:
Output
Print the answer.
Sample Input 1
atcoder
Sample Output 1
er
"atcoder
" ends with er
.
Sample Input 2
tourist
Sample Output 2
ist
Sample Input 3
er
Sample Output 3
er
update @ 2024/3/10 09:50:34