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[java]代码库

import java.util.Scanner;
public class Main 
{
	public static void main(String[] args) 
	   {   
		   Scanner input = new Scanner(System.in);//构造一个SCANNER对象，其传入参数为SYSTEM.IN
    	   String str = input.next();//读取一个string
    	   int i = 0, j = str.length()-1, flag = 0;
    	   for(; i <= j; i++, j--)
    	   {
    		   if(str.charAt(i) != str.charAt(j))
    			   flag=1;
    	   }
    	   if( flag == 1 )
    		   System.out.print("No");
    	   else
    	       System.out.println("Yes");
	   }
}