A+B for Input-Output Practice

Time Limit: 1000MS Memory Limit: 65536KB

Problem Description

Your task is to calculate the sum of some integers

Input

Input contains an integer N in the first line, and then N lines follow. Each line starts with a integer M, and then M integers follow in the same line

Output

For each group of input integers you should output their sum in one line, and you must note that there is a blank line between outputs.

Example Input

3
4 1 2 3 4
5 1 2 3 4 5
3 1 2 3

Example Output

10

15

6

Hint

 

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