import java.util.Scanner;
public class Permutation {
public static void main ( String[] args ) {
double nbr1;
double nbr2;
double temporary;
System.out.println("Please enter two number each follow by [Enter]");
Scanner clavier = new Scanner ( System.in );
nbr1 = clavier.nextDouble();
nbr2 = clavier.nextDouble();
System.out.println(nbr1+"|"+nbr2);
temporary = nbr1;
nbr1 = nbr2;
nbr2 = temporary;
System.out.println(nbr1+"|"+nbr2);
}
}