输入一个不为0的整数 判断它是正数还是负数 并且计算正负数的个数

import java.util.Scanner;public class DoWhile {public static void main(String[] args) {Scanner input = new Scanner(System.in);int zhengshu=0;int fushu=0;int num;do{System.out.println("输入一个数：");num=input.nextInt();if (num >0){zhengshu++;}else if(num<0){fushu++;}else {System.out.println("输入的数不合法");}}while (num!=0);System.out.println(num);System.out.println("正数"+zhengshu+"个");System.out.println("负数"+fushu+"个");}}