A + B problem

Time Limit: 1000 ms Memory Limit: 65536 KiB

Problem Description

        Given two integers a and b(0 a, b <100), your task is to calculate the result of a+b. Please note that the two integers a and b is described by English words, see the sample input and sample output for details.

Input

       There are several test cases(less than 100).

For each test case:

Only one line contains one string with the format of “a + b =”.

Input ends with a==0 and b==0.

Output

        For each test case, output the result in one line.

Sample Input

one + one =
three four + five six =
zero + zero =

Sample Output

2
90

Hint

 

Source

qinchuan