program Gorod;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var A,B,C,D:integer;
begin
  { TODO -oUser -cConsole Main : Insert code here }
  readln(A,B,C);
  D:=((A+B)*2)div(C*4);
  write(D);
  if(C=D) then writeln('Kvadratna');
  if(C>D) then writeln('pryamokutna');
  readln;

end.