### A+B for Input-Output Practice

Time Limit: 1000 ms
Memory Limit: 65536 KiB

#### 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.

#### Sample Input

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

#### Sample Output

10 15 6