n=int(input())
a=list(map(int,input().split()))
c=0
for i in range(2,n+1):
	c+=i*a[i]
ans="No"
if a[1]>=c:
	if (a[i]-c)%2==0:
		ans="Yes"
else:
	if (c-a[i])%2==0:
		ans="Yes"
print(ans)