program yukicoder_2842
  use, intrinsic :: iso_fortran_env
  implicit none
  integer(int32) :: m, d
  read(input_unit, *) m, d
  write(output_unit, '(i0)') merge(23, 24, m < 8 .or. (m == 8 .and. d < 22))
end program yukicoder_2842