A15219. YES or YES?
编程题
普及/提高-
知识点
题目描述
There is a string $s$ of length $3$ , consisting of uppercase and lowercase English letters. Check if it is equal to "YES" (without quotes), where each letter can be in any case. For example, "yES", "Yes", "yes" are all allowable.
输入格式
The first line of the input contains an integer $t$ ( $1 \leq t \leq 10^3$ ) — the number of testcases.
The description of each test consists of one line containing one string $s$ consisting of three characters. Each character of $s$ is either an uppercase or lowercase English letter.
The description of each test consists of one line containing one string $s$ consisting of three characters. Each character of $s$ is either an uppercase or lowercase English letter.
输出格式
For each test case, output "YES" (without quotes) if $s$ satisfies the condition, and "NO" (without quotes) otherwise.
You can output "YES" and "NO" in any case (for example, strings "yES", "yes" and "Yes" will be recognized as a positive response).
You can output "YES" and "NO" in any case (for example, strings "yES", "yes" and "Yes" will be recognized as a positive response).
输入输出样例
输入 #1
10 YES yES yes Yes YeS Noo orZ yEz Yas XES
输出 #1
YES YES YES YES YES NO NO NO NO NO
说明/提示
The first five test cases contain the strings "YES", "yES", "yes", "Yes", "YeS". All of these are equal to "YES", where each character is either uppercase or lowercase.