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public class demo {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int n = input.nextInt();
String s = n.toString();
System.out.pringln(s.reverse()); // è¿æ¯ååè¾åºæ¹æ³
// è¿æå¾å¤æ¹æ³å¯ä»¥ï¼æ¯å¦ååºå符串çæ¯ä¸ä½ï¼ç¶åç¨å¾ªç¯ååºè¾åºä¹ç±»çï¼å¯ä»¥èªå·±èªè¡æ¢ç´¢å¦ï¼
}
}