import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

from math import gcd
n = ni()
c = 0
a = na()
b = []
for i in a:
    if i == 0:
        c += 1
    else:
        b.append(i)
b = sorted(b)
m = len(b)
if m<=2:
    Yes()
    exit()

z = 0
f = 1
for i in range(m-1):
    z = gcd(z, b[i+1]-b[i])
    if b[i+1]==b[i]:
        f = 0

if f^1:
    if len(set(b))==1:
        Yes()
    else:
        No()
    exit()

for i in range(m-1):
    c -= (b[i+1]-b[i])//z - 1
    #print(c)
if c >= 0:
    Yes()
else:
    No()