Problem1583--算式计算4

1583: 算式计算4

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 35  Solved: 21
[Status] [Submit] [Creator:]

Description

输入一个算式，数字位数在30位以内，只包含1个运算符，只允许(+)，求计算结果

Sample Input Copy 

9999999999999999+2

Sample Output Copy 

10000000000000001

Source/Category

 提高B  
[Submit] [Status]