文理学院程序设计在线练习


A+B for Input-Output Practice (II)

Time Limit: 1 Second(s)    Memory Limit: 32 MB

Total Submission(s): 1545   Accepted Submission(s): 1220
Problem Description

Your task is to Calculate a + b.

Input

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.

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
2
1 5
10 20
Sample Output
6
30