program main_c
   implicit none
   integer :: p, q, r
   real(8) :: result, a, b, c

   read(*,*) p, q, r
   a = dble(p)
   b = dble(q)
   c = dble(r)

   result = a  + 2d0*sqrt(a*b) + b - c

   if (result < 0) then
      print *, 'Yes'
   else
      print *, 'No'
   end if
end program main_c
