N = int(input())
A = list(map(int, input().split()))
if sum(A) % N :
    exit(print("No"))

avg = sum(A) // N
S = - 1 << 60
for i in range(N):
    S = max(S, avg - A[i])

b = [0] * N
for i in range(N):
    b[i] = (A[i] + S - avg) // N
if sum(b) == S:
    print("Yes")
else:
    print("No")