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Problem2221--数字判断
2221: 数字判断
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MiB
Submit
Solved: 5
Submit Num: 6
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Description
输入一个字符,如果输入的字符是数字,输出yes,否则输出o
Input
一个字符
Output
如果输入的字符是数字,输出yes,否则输出no
Sample Input
Copy
5
Sample Output
Copy
yes
Source/Category
顺序结构