**Problem Description**

**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.

**Sample Input**

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

**Sample Output**

10 15 6