A+B Problem

Calculate a + b
Input
The input will consist of a series of pairs of integers a and b,separated by a space, one pair of integers per line.

Output
For each pair of input integers a and b you should output the sum of a and b in one line,and with one line of output for each line in input.

Sample Input
1 5

Sample Output
6

Hint
Use + operator

代碼

import string
while True:
    try:
        s = raw_input()
        arr = string.split(s,' ')
        a = int(arr[0])
        b = int(arr[1])
        print a+b
    except EOFError:
        exit(0)