1 #include <stdio.h>
 2 int main()
 3 {
 4     int T,n;
 5     int a,sum=0;
 6     while(scanf("%d",&T)!=EOF){
 7         while(scanf("%d",&n)!=EOF){
 8             int i=0;
 9             for(i;i<n;i++){
10                 scanf("%d",&a);
11                 sum+=a;
12             }
13             printf("%d\n",sum);                
14             sum=0;
15             T--;
16             if(T!=0){
17                 printf("\n");    
18             }
19         }
20     }    
21     return 0;
22 }