uses 
   PABCSystem, PABCExtensions, __RedirectIOMode, __RunMode, ABCButtons, ABCHouse, ABCObjects,
   ABCSprites, CRT, DMCollect, DMTaskMaker, DMZadan, Drawman, 
   DrawManField, Events, FilesOperations, 
   GraphABC,
   GraphABCHelper,  
   GraphWPFBase,
   Graph3D,
   GraphWPF,
   WPFObjects,
   NumLibABC,
   IniFile, PointerTools, PointRect, PT4, PT4MakerNetX, Robot, RobotField,
   RobotTaskMaker, RobotZadan, Sockets, Utils, VCL, Timers, PT4Exam, PT4TaskMakerNET, RBDMUtils,
   Collections, Arrays, Core, FormsABC, MPI, ClientServer, OpenGL, Speech, Sounds, Countries,
   ABCDatabases,BlockFileOfT,Controls
   ;
   
begin
  writeln(cos(pi));
  readln;
end.