#yuki1884
from math import gcd
N=int(input())
A=list(map(int,input().split()))
ZERO=0
B=[]
for a in A:
 if a==0:
  ZERO+=1
 else:
  B.append(a)
B.sort()
if len(set(B))<=1:
 print('Yes')
 exit()
if len(set(B))!=len(B):
 print('No')
 exit()
GCD=0
for i in range(1,len(B)):
 GCD=gcd(GCD,B[i]-B[i-1])
MIN=B[0]
MAX=B[-1]
k=(MAX-MIN)//GCD+1
if k-len(B)<=ZERO:
 print('Yes')
else:
 print('No')