import math
from sys import stdin
n, *a = map(int, stdin.read().split())
b = []
for i in range(n):
    if a[i] != 0:
        b.append(a[i])

m = len(b)
if m <= 2:
    print("Yes")
    exit()

b.sort()
c = [b[i+1]-b[i] for i in range(m-1)]
bgcd = c[0]
for i in range(m-1):
    if c[i] == 0:
        bgcd = 0
        break
    bgcd = math.gcd(bgcd,c[i])

if bgcd == 0:
    if max(b) != min(b):
        print("No")
    else:
        print("Yes")
else:
    if (max(b) - min(b)) >= bgcd * n:
        print("No")
    else:
        print("Yes")