3564:Is It reasonable?-2

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AC:25   /  Submit:97
问题描述


输入描述

Multiple lines, each line contains a sentence.

输出描述
For each sentence output YES if it is reasonable otherwise NO.
样例输入复制样例

1+1=2

1+1=3

Today is April Fools' Day.

Today is Labor Day.

样例输出

YES

NO

YES

NO

提示说明

Happy April Fools' Day!

相关

April Fools Day Contest 2022


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