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

   read(*,*) a, b, c

   result = sqrt(dble(a)) + sqrt(dble(b)) - sqrt(dble(c))

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