#include <iostream> int main() { int N; if (!(std::cin >> N)) return 0; for (int i = 0; i < N; ++i) { int M; std::cin >> M; int sum = 0, num; for (int j = 0; j < M; ++j) { std::cin >> num; sum += num; } std::cout << sum << std::endl; } return 0; }