Vac

#include <stdio.h>

struct date {
    int year;
    int month;
    int day;
};

struct time {
    int hour;
    int minute;
    int second;
};

struct vaccine_person {
    int person_id;
    char name[50];
    int age;
    struct date vaccination_date;
    struct time vaccination_time;
};

int main() {
    struct vaccine_person person1 = {
        123456,
        "John Smith",
        30,
        {2021, 4, 10},
        {14, 30, 0}
    };

    printf("Person ID: %d\n", person1.person_id);
    printf("Name: %s\n", person1.name);
    printf("Age: %d\n", person1.age);
    printf("Vaccination Date: %d-%02d-%02d\n",
           person1.vaccination_date.year,
           person1.vaccination_date.month,
           person1.vaccination_date.day);
    printf("Vaccination Time: %02d:%02d:%02d\n",
           person1.vaccination_time.hour,
           person1.vaccination_time.minute,
           person1.vaccination_time.second);

    return 0;
}