Problem1583--算式计算4

1583: 算式计算4

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 30  Solved: 19
[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