A+B for Input-Output Practice (VII) - 问题

问题1195--A+B for Input-Output Practice (VII)

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时间限制 : 1.000 sec 内存限制 : 64 MiB

Your task is to Calculate a + b.

The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line.

For each pair of input integers a and b you should output the sum of a and b, and followed by a blank line.

1 5
10 20

6

30

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