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

Time Limit: 1000 ms Memory Limit: 65536 KiB

#### Problem Description

Your task is to Calculate a + b.

#### Input

Your task is to Calculate a + b.

#### 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

HDOJ