//输入一个数据后用“/”和“%”分离#include<iostream>using namespace std;int main(){    int temp1,temp2;    double n;    begin:    cout<<"please input an number:"<<endl;    cin>>n;    if(n<1000000)    {        cout<<"wrong input, please try again!"<<endl;        goto begin;    }else    {        temp1=n/1000;        for(int i=4;i<=7;i++)        {            temp2=temp1%10;            cout<<"第"<<i<<"位是："<<temp2<<endl;            temp1=temp1/10;        }    }    return 0;}