#描述#
Your task is to calculate the sum of some integers.

#格式#
##输入格式##
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.

##输出格式##
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.

#样例1#
##样例输入1##

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

##样例输出1##

10

15

6

#限制#
1000ms
32768KB

#提示#

#来源#
HDU