max s neuplnym vetvenim s pom. max

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Button1: TButton;
    Label4: TLabel;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
a,b,c,max:integer;
begin
a:=StrToInt(Edit1.Text);
b:=StrToInt(Edit2.Text);
c:=StrToInt(Edit3.Text);
max:=a;

if b>max then
    max:=b;
if c>max then
    max:=c;
label4.caption:=inttostr(max);
end;

end.