import java.util.Scanner;public class Demo1 {	public static void main(String[] args) {		System.out.println("********** 请输入初始字符串 ************");		Scanner input = new Scanner(System.in);		String str = input.next();		for(int i = 0; i <= str.length(); i++) {			String player = "";			if(i%2 == 0) {				player = "A";			} else {				player = "B";			}			System.out.println("**********"+player+" 开始输入： ************");			Scanner inputs = new Scanner(System.in);			String a1 = inputs.next();			str = deleteString(str, a1);			if(isSort(str)) {				if(player == "A") {					System.out.println("***A---1***");				} else {					System.out.println("***B---2***");				}				break;			}			System.out.println(str.length());			System.out.println(str);		}		System.out.println(str);	}		public static String deleteString(String str, String input) {		int index = str.indexOf(input);		if(index != -1) {			str = str.replaceAll(input, "");			str = str.substring(0,index) + str.substring(index);		}		return str;	}		public static Boolean isSort(String str) {		for(int i = 1; i <= str.length(); i++) {			for(int j=i+1 ; j <= str.length(); j++) {				if((int)str.substring(j-1,j).toCharArray()[0] < (int)str.substring(i-1,i).toCharArray()[0]) {					return false;				} else {					continue;				}			}		}		return true;	}}