main =>
  A = read_int(),
  B = read_int(),
  C = read_int(),
  D_ = sqrt(B * B - 4 * A * C),
  if D_ == 0.0 then
    Y = -B/(2*A),
    if ceiling(Y) == floor(Y) then
        print(floor(Y))
    else
        print(Y)
    end
  else
    X1 = (-B + D_)/(2*A),
    X2 = (-B - D_)/(2*A),
    L = sort([X1, X2]),
    foreach (X in L)
        if ceiling(X) == floor(X) then
            print(floor(X))
        else
            print(X)
        end,
        print(" ")
  end
end.