#include <stdio.h>
int main()
{
int T,x,t,i,n,sum=0;
scanf("%d",&T);
for (x=1;x<=T;x++)
{
scanf("%d",&t);
for (i=1;i<=t;i++)
{
scanf("%d",&n);
sum+=n;
}
printf("%d\n",sum);
sum=0;
}
return 0;
}
02-04
431

12-04
1591
