A+B Problem

Time Limit: 1000 mSec

Memory Limit: 32768 KB

Description

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
2 3

Sample Output

6
5

Hint

Source

FOJ1000

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