import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
while(input.hasNextInt()){
int N=input.nextInt();
if(N==0){
continue;
}
else{
for(int i=0;i<N;i++){
int sum=0;
int M=input.nextInt();
int num[][]=new int[N][M];
for(int j=0;j<M;j++){
num[i][j]=input.nextInt();
sum=sum+num[i][j];
}
System.out.println(sum);
System.out.println();
}
}
}
}
}
public class Main {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
while(input.hasNext()){
int N=input.nextInt();
if(N==0){
continue;
}else{
for(int i=0;i<N;i++){
int sum=0;
int M=input.nextInt();
int num[][]=new int[N][M];
for(int j=0;j<M;j++){
num[i][j]=input.nextInt();
sum=sum+num[i][j];
}
System.out.println(sum);
if(i!=N-1){
System.out.println();
}
}
}
}
}
}这样就可以了