m = int(input())
A = list(map(int, input().split()))
cnt = 0
for i in range(m+1):
    cnt += A[i] * i

if cnt % 2:
    print("No")
    exit()

n = sum(A[1:])
if n == 0:
    print("Yes")
    exit()

if 2 * (n - 1) < cnt:
    print("No")
    exit()

k = (2 * n - cnt) // 2

tmp = k * 2
for i in range(2, m+1):
    tmp += (i-2) * A[i]

if A[1] == tmp:
    print("Yes")
else:
    print("No")