program task;

var
  reader : text;
  a, b, c : real;

begin
  assign(reader, 'kvur.txt');
  reset(reader);
  readln(reader, a, b, c);

  var d := b*b-4*a*c;
  c := (-b-sqrt(d))/(2*a);
  a := (-b+sqrt(d))/(2*a);

  assign(reader, 'korni.txt');
  rewrite(reader);
  write('x1 = '+c+' x2 = ' +a);
  write(reader, c + ' ' + a);
  reader.Close;
end.