import java.util.Arrays;
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();
		long[] a = new long[n];
		for (int i = 0; i < n; i++) {
			a[i] = sc.nextLong();
		}
		sc.close();

		Arrays.sort(a);
		long z = 0;
		long mind = 1000000000000000000L;
		for (int i = 0; i < n; i++) {
			if (a[i] == 0) {
				z++;
			} else {
				if (i > 0) {
					mind = Math.min(mind, a[i] - a[i - 1]);
				}
			}
		}
		if (mind == 0) {
			System.out.println("Yes");
			return;
		}

		for (int i = 1; i <= n; i++) {
			if (mind % i == 0 && judge(n, a, z, mind / i)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	}

	static boolean judge(int n, long[] a, long z, long mind) {
		for (int i = (int) z + 1; i < n; i++) {
			long d = a[i] - a[i - 1];
			if (d % mind != 0) {
				return false;
			} else {
				z -= d / mind - 1;
				if (z < 0) {
					return false;
				}
			}
		}
		return true;
	}
}