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快算24
Time Limit: 1000MSMemory Limit: 65536K
Total Submissions: 5285Accepted: 3193

Description

给定4个不大于10的正整数(范围1-10),要求在不改变数据先后顺序的情况下,采用加减乘除四种运算,找到一个表达式,使得最后的结果是24。

Input

4个不大于10的正整数。输入数据保证存在唯一解。

Output

不改变位置顺序,由'+','-','*','/'4个运算符和'(',')'组成的表达式

Sample Input

5 5 1 5

Sample Output

5*(5-(1/5))

Source

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