import sys
n = int(input())
a = list(map(int,input().split()))
a_plus = []
zero_count = 0
for _ in a:
    if _ != 0:
        a_plus.append(_)
    else:
        zero_count += 1
a_plus.sort()
a_dfr = [a_plus[i+1]-a_plus[i] for i in range(len(a_plus)-1)]
min_dfr = min(a_dfr)
if min_dfr == 0 and (1 in set(a_plus)) and len(set(a_plus))==1:
    print("Yes")
    sys.exit()
mlt_count = 0
for j in a_dfr:
    if j%min_dfr==0:
        mlt_count += (j//min_dfr)-1
    else:
        print("No")
        sys.exit()

if mlt_count <= zero_count:
    print("Yes")
else:
    print("No")