program main
    implicit none
    real(8) x,y
    read(*,*)x,y
    if(sqrt(x**2+y**2)-aint(sqrt(x**2+y**2))==0)then
         write(*,*)ceiling(sqrt(x**2+y**2)*2)+1
    else
        write(*,*)ceiling(sqrt(x**2+y**2)*2)
    endif
end program main