import java.text.DecimalFormat;
import java.util.*;
public class homework {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double a = Double.parseDouble(scanner.nextLine());
        double b = Double.parseDouble(scanner.nextLine());;
        double c = Double.parseDouble(scanner.nextLine());;
        double x1, x2;
        double det = b * b - 4 * a * c;
        double sqrt = Math.sqrt(det);
        DecimalFormat pattern = new DecimalFormat("#.##");
        if(det > 0){
            x1 = (-b - sqrt) / 2*a;
            x2 = (-b + sqrt) / 2*a;
            System.out.println("x1=" + pattern.format((x1)));
            System.out.println("x2=" + pattern.format((x2)));
        }
        else if(det == 0){
            x1=x2=-b / (2*a);
            System.out.println("x1=" + pattern.format((x1)));
            System.out.println("x2=" + pattern.format((x2)));
        }
    }
}