!> This file was processed by `fypp`.
!> Today's fortune: "forever WJ...", really OK?
!> ランダムウォーク猿「'メモ化再帰' で はっぴー.」
program yukicoder_3010
  use, intrinsic :: iso_fortran_env
  !> auto use module
  implicit none
  integer(int32) :: n, m
  integer(int32) :: ans
  integer(int32) :: i
  read(input_unit, *) n, m
  ans = 0
  do i = 1, n
     block
       character(len=m) :: s
       integer(int32) :: r
       read(input_unit, *) s, r
       if (r < 1200) cycle
       if (s(1:4) == "oooo") cycle
       ans = ans + 1
     end block
  end do
  write(output_unit, '(i0)') ans
end program yukicoder_3010