Input

The first line of the input contains a single integer T (1 <= T <= 20), the number of test cases. Then T cases follow. The first line of each case contains N, and the second line contains N integers giving the time for each people to cross the river. Each case is preceded by a blank line. There won t be more than 1000 people and nobody takes more than 100 seconds to cross.



Output

For each test case, print a line containing the total number of seconds required for all the N people to cross the river.



Sample Input





1

4

1 2 5 10





Sample Output





17

-Input The first line of the input contains a single integer T (1