1519: 字符判断
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:42
Solved:11
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