N=int(input())
M=int(input())

if N%2==0 and M%2==0:
    print("Yes")
    exit()
if N%2==0 and M%2==1:
    print("No")
    exit()
if N%2==1:
    if M>=10 and  M%2==0:
        print("Yes")
    else:
        print("No")
    exit()