Java - variables

public class Ejercicios

{

    public static void main(String[] args)

    {

        int a, b;

        Scanner sc = new Scanner(System.in);

        do {

            System.out.printf("%n%s", "Valor de A: ");

            a = sc.nextInt();

            System.out.printf("%s", "Valor de B: ");

            b = sc.nextInt();

            if (a == 6 && b ==1)

            {

                System.out.printf("%n%s%f%n", "Numero E: ", Math.E);

                break;

            }

        } while (true);

    }

}