import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner kb = new Scanner(System.in); StringBuilder sb = new StringBuilder(); while(true) { int input = kb.nextInt(); String reverseInput = new StringBuilder(String.valueOf(input)).reverse().toString(); int reverse = Integer.parseInt(reverseInput); if(input == 0) { break; }else if(input == reverse) { sb.append("..