Scanner s = new Scanner (System.in);

        System.out.print("Limit: ");


        int n = s.nextInt();
        double x1, x2;
        for (int a = 1; a <= n; a++) {
            for (int b = 1; b <= n; b++) {
                for (int c = 1; c <= n; c++) {
                    System.out.println("a = " + a + " b = " + b + " c = " + c);

                     double d = b*b - 4*a*c;
       if (d<0) {
           System.out.println("No solution");
       }
       else if (d == 0) {
            x1 = -b/(2*a);
           System.out.printf ("x1 = %f\n", x1);
       }
       else if (d>0) {
           x1 = (-b - Math.sqrt(d) )/ (2*a);
           x2 = (-b + Math.sqrt(d))/(2*a);
           System.out.printf("x1 = %f\n", x1);
           System.out.printf ("x2 = %f\n", x2);
       }


                }
            }

        }