猜拳（石头剪刀布）游戏(Dome)

import java.util.Scanner;
public class guess {
public static void main(String[] args) {
    Scanner A=new Scanner(System.in);
    System.out.println("---猜拳游戏---");
    System.out.println("请出拳（1.石头，2.剪刀，3.布）");
    int people= A.nextInt();
    int computer=(int)(Math.random()*3+1);  

    if (people==1){
    System.out.println("你出的拳是:石头");}
    if (people==2){
        System.out.println("你出的拳是:剪刀");}
    if (people==3){
        System.out.println("你出的拳是:布");}

    if (computer==1){
        System.out.println("电脑出的拳是:石头");}
    if (computer==2){
        System.out.println("电脑出的拳是:剪刀");}
    if (computer==3){
        System.out.println("电脑出的拳是:布");}

    if (people==computer){
        System.out.println("平局");}
    else if(people==1&&computer==3||people==2&&computer==1||people==3&&computer==2)
    {
        System.out.println("电脑赢了! ");}
    else{
        System.out.println("你赢了！");}

    }
}