program p1N1;
{$APPTYPE CONSOLE}
var n:integer;
    v,a:real;
begin
  writeln('vvedit kilkist varenukiv ta vagu 1 varenuka(gr)');
  readln(n,v);
  a:=v*n;
  writeln('vaga vsih varenukiv ',a:5:2,'(kg)');
  readln;
end.