백준 #9085번 더하기

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		for(int i = 0; i < n; i++) {
			int m = sc.nextInt();
			int total = 0;
			
			for(int j = 0; j < m; j++) {
				int a = sc.nextInt();
				total += a;
			}
			System.out.println(total);
		}
		sc.close();
	}
}