N = int(input())
A = list(map(int,input().split()))
S = 0
for i in range(2,N+1):
    S += i*A[i]
if A[1]==0:
    if S==0:
        print("Yes")
    else:
        print("No")
elif abs(S-A[1])%2==0:
    print("Yes")
else:
    print("No")