JavaP185eg5.4输出反向整数

import java.util.Scanner;

public class Fanxu {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
int a=input.nextInt();
int sum=0,x;
while(a!=0)
{
x=a%10;
sum=sum*10+x;
a=a/10;
}
System.out.println(sum);
}
}