import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		sc.close();

		int d = b * b - 4 * a * c;
		if (d < 0) {
			System.out.println("imaginary");
		} else if (d == 0) {
			System.out.println(-b / 2.0 / a);
		} else {
			double d2 = Math.sqrt(d);
			d2 = Math.abs(d2 / 2 / a);
			double e = -b / 2.0 / a;
			System.out.println(e - d2 + " " + (e + d2));
		}
	}
}