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")