{ %opt=-O1 }

program testcase;

{$MODE DELPHI}

const
  CM_ACTIVATE = $B000;
  WM_LCL_SOCK_ASYNC = 1024 + $500;
  WM_QUERYOPEN = 19;
  WM_NULL = 0;
  WM_ENTERIDLE = 289;
  WM_ACTIVATE = 6;
  WM_DPICHANGED = 736;
  WM_IME_ENDCOMPOSITION = 270;
  WM_CANCELMODE = 31;
  WM_CAPTURECHANGED = 533;
  WM_CHAR = 258;
  WM_MENUCHAR = 288;
  WM_CLOSE = 16;
  WM_INITMENUPOPUP = 279;
  WM_MENUSELECT = 287;
  WM_COMMAND = 273;
  WM_CTLCOLORMSGBOX = 306;
  WM_CTLCOLORSTATIC = 312;
  WM_CLEAR = 771;
  WM_COPY = 769;
  WM_CUT = 768;
  WM_DESTROY = 2;
  WM_DESTROYCLIPBOARD = 775;
  WM_DRAWITEM = 43;
  WM_ENABLE = 10;
  WM_ERASEBKGND = 20;
  WM_EXITMENULOOP = 530;
  WM_GETDLGCODE = 135;
  WM_HELP = 83;
  WM_HOTKEY = 786;
  WM_HSCROLL = 276;
  WM_VSCROLL = 277;
  WM_KEYDOWN = 256;
  WM_KEYUP = 257;
  WM_KILLFOCUS = 8;
  WM_LBUTTONDBLCLK = 515;
  WM_LBUTTONDOWN = 513;
  WM_LBUTTONUP = 514;
  WM_RBUTTONDBLCLK = 518;
  WM_RBUTTONDOWN = 516;
  WM_RBUTTONUP = 517;
  WM_MBUTTONDBLCLK = 521;
  WM_MBUTTONDOWN = 519;
  WM_MBUTTONUP = 520;
  WM_XBUTTONDBLCLK = 525;
  WM_XBUTTONDOWN = 523;
  WM_XBUTTONUP = 524;
  WM_MOUSEHOVER = 673;
  WM_MOUSELEAVE = 675;
  WM_MOUSEMOVE = 512;
  WM_MOUSEWHEEL = 522;
  WM_DROPFILES = 563;
  WM_NCHITTEST = 132;
  WM_NCLBUTTONDOWN = 161;
  WM_NCMOUSEMOVE = 160;
  WM_NCMOUSEHOVER = 672;
  WM_NOTIFY = 78;
  WM_PAINT = 15;
  WM_PRINTCLIENT = 792;
  WM_PASTE = 770;
  WM_CONTEXTMENU = 123;
  WM_SETCURSOR = 32;
  WM_SETFOCUS = 7;
  WM_SHOWWINDOW = 24;
  WM_SYSCHAR = 262;
  WM_SYSCOMMAND = 274;
  WM_SYSKEYDOWN = 260;
  WM_SYSKEYUP = 261;
  WM_TIMER = 275;
  WM_WINDOWPOSCHANGING = 70;
  WM_WINDOWPOSCHANGED = 71;
  WM_MEASUREITEM = 44;
  WM_SETTINGCHANGE = 26;
  WM_THEMECHANGED = 794;
  WM_UPDATEUISTATE = 296;
  WM_IME_COMPOSITION = 271;
  WM_IME_COMPOSITIONFULL = 644;
  WM_IME_CONTROL = 643;
  WM_IME_NOTIFY = 642;
  WM_IME_REQUEST = 648;
  WM_IME_SELECT = 645;
  WM_IME_SETCONTEXT = 641;
  WM_IME_STARTCOMPOSITION = 269;
  WM_ACTIVATEAPP = 28;
  WM_DISPLAYCHANGE = 126;

procedure DoError(c : Cardinal);
  begin
    writeln('Case ',c);
    halt(c);
  end;


var
  Msg: Cardinal;
begin
  Msg := WM_QUERYOPEN;
  case Msg of
    WM_NULL: DoError(1);
    WM_ENTERIDLE: DoError(2);
    WM_ACTIVATE: DoError(3);
    WM_DPICHANGED: DoError(4);
    WM_IME_ENDCOMPOSITION: DoError(5);
    WM_CANCELMODE: DoError(6);
    WM_CAPTURECHANGED: DoError(7);
    WM_CHAR: DoError(8);
    WM_MENUCHAR: DoError(9);
    WM_CLOSE: DoError(10);
    WM_INITMENUPOPUP: DoError(11);
    WM_MENUSELECT: DoError(12);
    WM_COMMAND: DoError(13);
    WM_CTLCOLORMSGBOX..WM_CTLCOLORSTATIC: DoError(14);
    WM_CLEAR: DoError(15);
    WM_COPY: DoError(16);
    WM_CUT: DoError(17);
    WM_DESTROY: DoError(18);
    WM_DESTROYCLIPBOARD: DoError(19);
    WM_DRAWITEM: DoError(20);
    WM_ENABLE: DoError(21);
    WM_ERASEBKGND: DoError(22);
    WM_EXITMENULOOP: DoError(23);
    WM_GETDLGCODE: DoError(24);
    WM_HELP: DoError(25);
    WM_HOTKEY: DoError(26);
    WM_HSCROLL,
    WM_VSCROLL: DoError(27);
    WM_KEYDOWN: DoError(28);
    WM_KEYUP: DoError(29);
    WM_KILLFOCUS: DoError(30);
    WM_LBUTTONDBLCLK: DoError(31);
    WM_LBUTTONDOWN: DoError(32);
    WM_LBUTTONUP: DoError(33);
    WM_RBUTTONDBLCLK: DoError(34);
    WM_RBUTTONDOWN: DoError(35);
    WM_RBUTTONUP: DoError(36);
    WM_MBUTTONDBLCLK: DoError(37);
    WM_MBUTTONDOWN: DoError(38);
    WM_MBUTTONUP: DoError(39);
    WM_XBUTTONDBLCLK: DoError(40);
    WM_XBUTTONDOWN: DoError(41);
    WM_XBUTTONUP: DoError(42);
    WM_MOUSEHOVER: DoError(43);
    WM_MOUSELEAVE: DoError(44);
    WM_MOUSEMOVE: DoError(45);
    WM_MOUSEWHEEL: DoError(46);
    WM_DROPFILES: DoError(47);
    WM_NCHITTEST: DoError(48);
    WM_NCLBUTTONDOWN: DoError(49);
    WM_NCMOUSEMOVE,
    WM_NCMOUSEHOVER: DoError(50);
    WM_NOTIFY: DoError(51);
    WM_PAINT: DoError(52);
    WM_PRINTCLIENT: DoError(53);
    WM_PASTE: DoError(54);
    WM_CONTEXTMENU: DoError(55);
    WM_SETCURSOR: DoError(56);
    CM_ACTIVATE: DoError(57);
    WM_SETFOCUS: DoError(58);
    WM_SHOWWINDOW: DoError(59);
    WM_SYSCHAR: DoError(60);
    WM_SYSCOMMAND: DoError(61);
    WM_SYSKEYDOWN: DoError(62);
    WM_SYSKEYUP: DoError(63);
    WM_TIMER: DoError(64);
    WM_WINDOWPOSCHANGING: DoError(65);
    WM_WINDOWPOSCHANGED: DoError(66);
    WM_MEASUREITEM: DoError(67);
    WM_SETTINGCHANGE: DoError(68);
    WM_THEMECHANGED: DoError(69);
    WM_UPDATEUISTATE: DoError(70);
    WM_LCL_SOCK_ASYNC: DoError(71);
    WM_IME_COMPOSITION,
    WM_IME_COMPOSITIONFULL,
    WM_IME_CONTROL,
    WM_IME_NOTIFY,
    WM_IME_REQUEST,
    WM_IME_SELECT,
    WM_IME_SETCONTEXT,
    WM_IME_STARTCOMPOSITION: DoError(72);
    WM_ACTIVATEAPP: DoError(73);
    WM_DISPLAYCHANGE: DoError(74);
  end;
  writeln('Ok');
end.