Problem b: CCC15J2 Happy or Sad

Problem b: CCC15J2 Happy or Sad

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 100  Solved: 39
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Description

10points
English:
We often include emoticons in our text messages to indicate how we are feeling. 
The three consecutive characters :-) indicate a happy face and the three consecutive 
characters :-( indicate a sad face. Write a program to determine the overall mood of a message. 


Chinese:

我们经常在短信中包含表情符号，以表明我们的感受。三个连续的字符 ：-) 表示笑脸，三个连续的字符 ：-( 表示悲伤。

Input

There will be one line of input that contains between 1 and 255 characters.



输入的内容可以为1到255个字符。


Output

The output is determined by the following rules: 
• If the input line does not contain any happy or sad emoticons, output none. 
• Otherwise, if the input line contains an equal number of happy and sad emoticons, output unsure. 
• Otherwise, if the input line contains more happy than sad emoticons, output happy. 
• Otherwise, if the input line contains more sad than happy emoticons, output sad.


输出由以下规则确定：

•如果输入行不包含任何高兴或悲伤的表情，输出none。

•否则，如果输入行包含相等数量的：-)和：-(表情符号，输出unsure。

•否则，如果输入行包含：-) 的数量 > ：-( 的数量，则输出happy。
•否则，如果输入行包含：-) 的数量 < ：-( 的数量，则输出sad。

Sample Input Copy 

How are you :-) doing :-( today :-)?

Sample Output Copy 

happy
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