## 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 with one line of output for each line in input.

## Sample Input:

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

## Sample Output:

10
15