program yukicoder_2392
  use, intrinsic :: iso_fortran_env
  implicit none
  integer(int64) :: p
  integer(int64) :: i, j
  read(input_unit, *) p
  do i = 1, p
     if (i * i > p) exit
     do j = 1, p
        if (j * j > p) exit
        if (p == i * i + j * j) then
           write(output_unit, '(a)') "Yes"
           stop
        end if
     end do
  end do
  write(output_unit, '(a)') "No"
end program yukicoder_2392