#include<stdio.h>

struct DateInfo

{

    int year;

    int month;

    int day;

    DateInfo(int year, int month, int day)

    {

    }

    DateInfo()

    {

        this->day = 11;

        this->month = 1;

        this->year = 33;

    }

    void Steday(int day)

    {

        this->day = day;

    }

    void getday()

    {

        printf("%d",day);

    }

};

int main()

{

    DateInfo m;

    m.getday();

    m.Steday(5);

    m.getday();

    return 0;

}

struct MyString

{

    char* str1;

    char* str2;

    MyString()

    {

        str2=(char*)malloc(1024);

    }

    MyString(int dad)

    {

        str1= (char*)malloc(sizeof(dad));

    }

    ~MyString()

    {

        free(str2);

        free(str1);

    }

};

int mai