import org.pureprogrammer.Utils;

public class CmdLineArgs3 {

	public static void main(String[] args) {
		final double a = Utils.stodWithDefault(args[0], 0);
		final double b = Utils.stodWithDefault(args[1], 0);
		final double c = a + b;
		System.out.println(Utils.format("{0:f} + {1:f} = {2:f}", a, b, c));
	}
}