n = int(input())
a = list(map(int, input().split()))
t = 0
for i in range(n - 1, -1, -1):
    if (a[i] + t) % (i + 1) == 0:
        t += (a[i] + t) // (i + 1)
    else:
        print('No')
        break
else:
    print('Yes')