A+B for InputOutput Practice (VIII) 
Time Limit: 1000ms, Special Time Limit:2500ms, Memory Limit:32768KB 
Total submit users: 438, Accepted users: 428 
Problem 10369 :
No special judgement

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

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