Quadratic Equation

Easy#math· solved by 0 · time limit 2.0 s

Solve $ax^2 + bx + c = 0$ . Print the real roots in increasing order with 3 decimals (one root if both are equal), or No real roots.

Input

Three integers $a \ne 0$ , $b$ , $c$ .

The root(s) or No real roots.

$1 \le |a| \le 1000$ , $|b|, |c| \le 1000$

Input

1 -3 2

Output

1.000 2.000

Input

1 2 5

Output

No real roots