import java.util.Scanner;

import java.util.Random;

public class Hello {

  public static void main(String[] args) {

    Scanner scanner = new Scanner(System.in); // 创建Scanner对象

    Random random = new Random();

    int play1, play2;

    String[] arr = { "石头", "布", "剪刀" };

    System.out.println("请输入您的选择，石头为1，布为2，剪刀为3");

    play1 = scanner.nextInt();

    play2 = random.nextInt(3) + 1;

    System.out.println(play2);

    switch (play1 - play2) {

      case 0 -> System.out.printf("平局!(你为%s,电脑为%s)", arr[play1 - 1], arr[play2 - 1]);

      case -1, 2 -> System.out.printf("你输了！(你为%s,电脑为%s)", arr[play1 - 1], arr[play2 - 1]);

      case 1, -2 -> System.out.printf("你赢了！(你为%s,电脑为%s)", arr[play1 - 1], arr[play2 - 1]);

    }

  }

}