/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
String order =  "abcdefghijklmnopqrstuvwxyz";
String random = "qwertyuiopasdfghjklzxcvbnm";
char orig = 'x';
char conv = random.charAt(order.indexOf(orig));
char back = order.charAt(random.indexOf(conv));
System.out.println(orig);
System.out.println(conv);
System.out.println(back);
	}
}

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