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#OLD310. A+B for Input-Output Practice (VII)

A+B for Input-Output Practice (VII)

Description

Your task is to Calculate a + b.

Format

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.

Samples

1 5
10 20
6

30
 

Hint