a, b = map(int, input().split())
ans = 'No'
if a == b // 2:
    ans = 'Yes'
print(ans)

3c5cafd46edd759a5ae6d4d63300817a55970de0
<mask token>

<mask token>
if a == b // 2:
    ans = 'Yes'
print(ans)

a, b = map(int, input().split())
ans = 'No'
if a == b // 2:
    ans = 'Yes'
print(ans)
