import java.util.Random;
import java.util.Scanner;
public class Caiquan {
    public static void main(String[] args) {
        Random rd = new Random();
		int xt = rd.nextInt(3);
//系统随机出拳		
		Scanner in = new Scanner(System.in);
		System.out.print("请输入数字1-3\n**************1.石头2.剪子3.布**************\n");
		int yh = in.nextInt();
//用户输入选择
		int c = yh - xt - 1;
		switch(xt+1)
		{
			case 1:
			        System.out.print("系统出了石头\n");
					break;
			case 2:
			        System.out.print("系统出了剪子\n");
					break;
			case 3:
			        System.out.print("系统出了布\n");		
                    break ;					
		}
		switch(c)
		{
			case 0:
			       System.out.print("平局");
				   break;				   
            case -1:
			case 2:
                   System.out.print("恭喜你！你赢了");
				   break;				   
            case 1:
			case -2:
                   System.out.print("很抱歉，你输了");
				   break;			
			
		}		
		
    }
}