A和B求和问题

import java.util.Scanner;
public class AB求和问题 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        /*
        while (scanner.hasNext()) {
            int n1=scanner.nextInt();
            int n2=scanner.nextInt();
            System.out.println(n1+n2);
        }
        */
        /*
        int N=scanner.nextInt();
        for(int i=0;i<N;i++) {
            int n1=scanner.nextInt();
            int n2=scanner.nextInt();
            System.out.println(n1+n2);
        }
        */
        /*
        while (scanner.hasNext()) {
            int n1=scanner.nextInt();
            int n2=scanner.nextInt();
            if(!(n1==0&&n2==0)) {
                System.out.println(n1+n2);
            }
        }*/
        /*
        while(scanner.hasNext()) {
            int done=scanner.nextInt();
            if(done!=0) {
                int sum=0;
                for(int i=0;i<done;i++) {
                    sum+=scanner.nextInt();
                }
                System.out.println(sum);
            }
        }*/
        /*
        int N=scanner.nextInt();
        for(int i=1;i<=N;i++) {
            int M=scanner.nextInt();
            int sum=0;
            for(int j=0;j<M;j++) {
                sum+=scanner.nextInt();
            }
            System.out.println(sum);
        }
        */
        /*
        while(scanner.hasNext()) {
            int M=scanner.nextInt();
            int sum=0;
            for(int j=1;j<=M;j++) {
                sum+=scanner.nextInt();
            }
            System.out.println(sum);
        }
        */
        /*
        while (scanner.hasNext()) {
            int n1=scanner.nextInt();
            int n2=scanner.nextInt();
            System.out.println(n1+n2);
            System.out.println();
        }*/
        int N=scanner.nextInt();
        for(int i=1;i<=N;i++) {
            int M=scanner.nextInt();
            int sum=0;
            for(int j=0;j<M;j++) {
                sum+=scanner.nextInt();
            }
            System.out.println(sum);
            System.out.println();
        }
        scanner.close();
    }
}