import java.util.Scanner; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = sc.nextInt(); } sc.close(); long sum = 0; for (int i = 0; i < n; i++) { sum += a[i]; } if (sum % n == 0) { System.out.println("Yes"); } else { System.out.println("No"); } } }