coin100 = int(input())
coin10 = int(input())
answer=coin100%2==0 and coin10%2==0
if not answer:
    sum_all=coin100*100+coin10*10
    if sum_all%2==0 and sum_all%10==0:
        norm=sum_all//2
        c10=(norm%100)*2//10
        if c10<=coin10:
            coin10-=c10
            _sum=(coin100*100+coin10*10)
            answer=_sum%2==0
        
print("Yes" if answer else "No")