1686 简单计算


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Points: 100
Time limit: 1.0s
Memory limit: 32M

Problem types
Allowed languages
C, C++, Java, Python

Description

计算表达式,很简单,傻瓜形式的

( a + (b + (c + d) ) + e )

其中abcde都是整数,其中的空格可能有好几个

Input

若干行,每行都是( a + (b + (c + d) ) + e )的形式

Output

计算结果

Sample

Input

( 1 + (2 + (3 + 4) ) + 5 )
( 1 + (2    + (3     + 4) ) + 5      )

Output

15
15

Source: zjut_DD


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