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Problem2189--字符判断
2189: 字符判断
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MiB
Submit
Solved: 7
Submit Num: 9
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Description
对于给定的字符,如果该字符是大小写字母或者数字,输出YES, 否则输出NO
Input
一个字符
Output
按照题目要求输出YES或者NO
Sample Input
Copy
A
Sample Output
Copy
YES
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