题解 | #数字颠倒#

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
        	int n=sc.nextInt();
        	String str=String.valueOf(n);
        	StringBuffer sb=new StringBuffer(str);
        	System.out.println(sb.reverse());
        }
    }
}