Problem 1095. -- A+B for Input-Output Practice (VII)

HDU_1095: A+B for Input-Output Practice (VII)

Time Limit: 1000 MS  Memory Limit: 32 MB   64bit IO Format: %I64d
Submitted: 95  Accepted: 67
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Description

Your task is to Calculate a + b.

Input

The input will consist of a series of pairs 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, and followed by a blank line.

Sample Input

1 5
10 20

Sample Output

6

30
 

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