java 作业1

import java.util,*;
 
public class zuoye{
    public static void main (String args[]){
        Scanner reader=new Scanner(System.in);
        int y=1;
        while(reader.hasNextInt()){
              int x=reader.nextInt();
        y=y*x;
        }
        System.out.printf("乘积为%d\n",y);
    }
 }