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问题 C: A+B Problem(III)

问题 C: A+B Problem(III)

时间限制: 1 Sec  内存限制: 64 MB
提交: 2145  解决: 1736
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题目描述

Your task is to Calculate a + b.

输入描述

Input contains multiple test cases. Each test case contains a pair of integers a and b, one pair of integers per line. A test case containing 0 0 terminates the input and this test case is not to be processed.

输出描述

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.

样例输入

1 5
10 20
0 0

样例输出

6
30
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