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# A+B for Input-Output Practice (II)

## 题目描述

The first line integer means the number of input integer a and b. Your task is to Calculate a + b.

## 输入格式

Your task is to Calculate a + b. The first line integer means the numbers of pairs of input integers.

## 输出格式

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.

## 样例输入

2
1 5
10 20


## 样例输出

6
30