import java.util.*;

public class GN {

    public static void main(String arg[]) {

        int a = ;// 数字标记

        int b = ;// 位置标记

        int time = ;// 次数

        int rdn[] = new int[];

        Random rd = new Random();

        do {

            rdn[] = rd.nextInt();

            rdn[] = rd.nextInt();

            rdn[] = rd.nextInt();

            rdn[] = rd.nextInt();// 生成四个随机数字。

            if (rdn[] ==  || rdn[] == rdn[] || rdn[] == rdn[]

                    || rdn[] == rdn[] || rdn[] == rdn[] || rdn[] == rdn[]

                    || rdn[] == rdn[] || rdn[] == rdn[] || rdn[] == rdn[]

                    || rdn[] == rdn[])

                continue;

            else

                break;

        } while (true);

        do {

            System.out.println("请输入您所猜的数字：");

            Scanner s = new Scanner(System.in);

            int n = s.nextInt();

            String x = String.valueOf(n);

            if (n == )

                System.out.println(rdn[] + "" + rdn[] + "" + rdn[] + ""

                        + rdn[]);

            int num[] = new int[];

            num[] = n / ;

            num[] = n /  % ;

            num[] = n %  / ;

            num[] = n % ;// 处理键入的数字

            if (num[] == ) {

                System.out.println("输入的数字不能以零开头，请重新输入。");

            } else if (x.length() >  || x.length() <= )

                System.out.println("输入的数字不符合要求，请重新输入。");

            else if (x.length() == ) {

                time++;

                a = ;

                b = ;

                for (int i = ; i <= ; i++) {

                    for (int j = ; j <= ; j++) {

                        if (num[i] == rdn[j])

                            if (i == j)

                                b++;

                            else

                                a++;

                    }

                }

                if (b != )

                    System.out.println("数字相同而位置不同有 " + a + " 个，位置和数字都相同有 " + b

                            + " 个");

                if (b !=  && time > )

                    System.out.println("你个笨蛋，都猜" + time + "次了，还猜不对!");

            }

            if (b == ) {

                System.out.println("恭喜你，猜对了！一共猜了" + time + "次。");

                break;

            }

        } while (true);

    }

}