integer::i,j,n,m,diff
  read *,n,m
  diff = (m-n)/1000

  do while(diff.gt.0)
     if (mod(diff,10).eq.3) then
        print '(i0)',(i,i=n,m)
        return
     end if
     diff = diff/10
  end do

  do i=n,m
     if (mod(i,3).eq.0) then
        print '(i0)',i
        cycle
     end if

     diff = i
     do while(diff.gt.0)
        if (mod(diff,10).eq.3) then
           print '(i0)',i
           exit
        end if
        diff = diff/10
     end do
  end do
end