Summ1

#include <iostream>

int main() {
  int n = 0;
  std::cin >> n;

  int sum = 0;
  int i = 0;
  while (i < n) {
    int tmp;
    std::cin >> tmp;
    sum += tmp;
    ++i;
  }
  std::cout << sum;

  return 0;
}