import java.util.Scanner;
import java.util.Arrays;

public class Main
{
    public static void main(String[] args) {
    formatUnsignedInteger f;
    
    int unsignedInteger[] = new int[8];
    
    Scanner reader=null;
    
    for (int t=0; t<8; t++)
    {
        reader = new Scanner(System.in);
        System.out.println("Enter an unsigned integer 1 or 0");
        unsignedInteger[t]=reader.nextInt();
    }
    
    reader.close();
    System.out.println("\n");
    
    f= new formatUnsignedInteger(unsignedInteger);
    }
}

class formatUnsignedInteger
{
    String rearranged;
    int temp;
    
    public formatUnsignedInteger(int[] unsignedInteger)
    {
        int[] original = new int[8];
        original = unsignedInteger;
        System.out.println("This is original:" + Arrays.toString(original));
        
        for (int bit =0; bit<unsignedInteger.length-1; bit=bit+2)
        {
            temp = unsignedInteger[bit+1];
            unsignedInteger[bit+1]=unsignedInteger[bit];
            unsignedInteger[bit]=temp;
        }
        rearranged = Arrays.toString(unsignedInteger);
        System.out.println("This is re-arranged: " + rearranged);
    }
}