unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Masukkan_Nilai: TLabel;
    txtNilai: TEdit;
    Keterangan: TLabel;
    txtstatus: TEdit;
    cmdHasil: TButton;
    Label3: TLabel;
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    procedure cmdHasilClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.cmdHasilClick(Sender: TObject);
Var
  nl:integer;
begin
  nl := strtoint(txtNilai.text);
  if nl >70 then txtstatus.Text := 'Lulus'
  else txtstatus.Text := 'Tidak lulus';

end;

end.