1 #include <iostream>
 2 using namespace std;
 3 int main() {
 4     int test;
 5     int a, b;
 6     cin >> test;
 7     
 8     while(test--)
 9     {
10         int sum = 0;
11         int temp, n;
12         cin >> n;
13         for(int i = 0; i < n; i++)
14         {
15             cin >> temp;
16             sum += temp;
17         }
18         if(test != 0)
19            cout << sum << endl << endl;
20         else 
21             cout << sum << endl;
22     }
23     
24     return 0;
25 }