9612: A+B for Input-Output Practice (VII)

Memory Limit：64 MB Time Limit：1.000 S
Judge Style：Text Compare Creator：
Submit：1 Solved：0

Description

Your task is to 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, and followed by a blank line.

Sample Input Copy 

1 5
10 20

Sample Output Copy 

6

30