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