# 2914. A+B(II)

### 输入格式

Input contains an integer N in the first line, and then N lines follow. Each line consists of a pair of integers a and b, separated by a space, one pair of integers per line.

### 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

Input
2
1 5
10 20

Output
6
30


381 人解决，400 人已尝试。

427 份提交通过，共有 611 份提交。

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