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A+B for Input-Output Practice (IV)
时间限制: 3s 内存限制: 128MB 提交: 12438 解决: 7115
Your task is to Calculate the sum of some integers.
Input contains multiple test cases. Each test case contains a integer N, and then N integers follow in the same line. A test case starting with 0 terminates the input and this test case is not to be processed.
For each group of input integers you should output their sum in one line, and with one line of output for each line in input.