回文字（数）

[java]代码库

package com;

import java.util.Scanner;

public class Seventeen {

	public void fanzhuan(int a){
		
	}
	public static void main(String[] args){
		// TODO Auto-generated method stub
     Scanner sc = new Scanner(System.in);
		String a = sc.next();
		for(int i=a.length()-1;i>=0;i--){
			System.out.print(a.charAt(i));
		
		}
		
	}

}