import java.util.Scanner;

public class QuadraticEquation {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double a = scanner.nextInt();
        double b = scanner.nextInt();
        double c = scanner.nextInt();

        double d = b * b - 4 * a * c;

        double x1 = (- b - Math.sqrt(d)) / (2 * a);
        double x2 = (- b + Math.sqrt(d)) / (2 * a);

        if (x1 == (int)x1) {
            System.out.print("x1=" + (int)x1 + ";");
        }else System.out.print("x1=" + x1 + ";");

        if (x2 == (int)x2) {
            System.out.print("x2=" + (int)x2 + ";");
        }else System.out.print("x2=" + x2 + ";");
    }
}