import math
import collections
N=int(input())
lsA = list(map(int,input().split()))
cnt0 = 0
lsA1 = []
for i in range(N):
    if lsA[i] == 0:
        cnt0 += 1
    else:
        lsA1.append(lsA[i])
lsA1.sort()
if len(lsA1) == 0:
    print('Yes')
    exit()

cnt = collections.Counter(lsA1)
if len(cnt)==1:
    print('Yes')
    exit()

vals = max(list(cnt.values()))
if vals > 1:
    print('No')
    exit()

gcd = lsA1[1]-lsA1[0]
for i in range(1,len(lsA1)-1):
    gcd = math.gcd(lsA1[i+1]-lsA1[i],gcd)

lsA1.reverse()
st = lsA1.pop()
for i in range(N-1):
    if not lsA1:
        print('Yes')
        exit()
    if lsA1[-1] == st+gcd:
        st = lsA1.pop()
    else:
        if cnt0 == 0:
            print('No')
            exit()
        else:
            cnt0 -= 1
            st = st+gcd
print('Yes')