Untitled

import java.util.Scanner;

public class Lab7
{
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int numbers = Integer.parseInt(scanner.nextLine());
		int sum = 0;
		
		for (int i = 1; i <= numbers; i++) {
		    sum += Integer.parseInt(scanner.nextLine());
		}
		
		System.out.println(sum);
		
	}
}