CSU-ACM Online Judge

# 1000: A+B (I)

Time Limit: 1 Sec     Memory Limit: 128 Mb     Submitted: 12100     Solved: 3226

## Description

Your task is to Calculate a + b.

## Input

Input contains multiple test cases. Each test case consists of a pair of integers a and b ( 0 <= a, b <= 20 ), 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 1


## Sample Output

2