import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int n; n=sc.nextInt(); int num; while((n--)!=0) { int sum = 0; num=sc.nextInt(); for (int i = 0; i < num; i++) { sum += sc.nextInt(); } System.out.println(sum); } } }