program crane

 implicit none
 integer::x,y,n,jj,i,ans

 jj=0

 read*,x,y
 
 n=y/x+1

 do i=0,n
  ans=2*i+4*(x-i)
  if(x-i>=0) then
   if(ans==y) jj=jj+1
  end if
 end do

 if(jj==0) print*,'No'
 if(jj/=0) print*,'Yes'

end program crane