import java.util.Scanner;

public class OptimalGame {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        int[] A = new int[n];
        for (int i = 0; i < n; i++) {
            A[i] = scanner.nextInt();
        }
        long sum = 0;
        for (int i = 0; i < n; i++) {
            sum += A[i];
        }
        System.out.println(sum);
        
        scanner.close();
    }
}