import java.util.Scanner;
public class StringSwapping {
public static void main(String[] args) {
Scanner myScanner=new Scanner(System.in);
String a,b,temp;
a="Alamgir";
b="Hossain";
System.out.println("Before swapping : A = "+a+" and B = "+b);
temp=a;
a=b;
b=temp;
System.out.println("After swapping : A = "+a+" and B = "+b);
}
}
//Before swapping : A = Alamgir and B = Hossain
//After swapping : A = Hossain and B = Alamgir