#include<iostream>
int main()
{
    using namespace std;
    struct Student
    {
        int num;
        char name[10];
        char sex;
        struct Day
        {
            int year;
            int month;
            int day;
        }birthday;
        char Class;
    }stud;
    cout<<"输入一个学生的信息"<<endl;
    cout<<"学号:";cin>>stud.num;
    cout<<"姓名:";cin>>stud.name;cout<<endl;
    cout<<"输出一个学生的信息"<<endl;
    cout<<"学号:"<<stud.num<<endl;
    cout<<"姓名:"<<stud.name<<endl;
}