import java.util.InputMismatchException;
import java.util.Locale;
import java.util.Scanner;

public class InputValue {
	//Declaración de Scanner
	public static Scanner sc = new Scanner(System.in);

	public static void main(String[] args) {
		firstInput();
		sc.close();
	}

	public static void firstInput() {
		Double number = 0.0;
		try {
			System.out.print("Introduce un número: ");
			sc.useLocale(Locale.US); //It's a dot .
			number = sc.nextDouble();
			if(number%2==0) {
				System.out.println("\t> " + number + " es par");
			} else {
				System.out.println("\t> " + number + " es impar");
			}
		}catch (InputMismatchException i) {
			secondInput(number);
		}catch (Exception e) {
			System.err.println("Error, no has introducido un número");
		}
	}

	private static void secondInput(Double number) {
		try {
			System.out.print("Introduce un número: ");
			sc.useLocale(Locale.FRANCE); //It's a comma ,
			number = sc.nextDouble();
			if(number%2==0) {
				System.out.println("\t> " + number + " es par");
			} else {
				System.out.println("\t> " + number + " es impar");
			}
		}catch (Exception e) {
			System.err.println("Error, no has introducido un número");
		}
	}
}