#include <stdio.h>
#include <stdlib.h>
#include <time.h>

enum
{
    BASIC_YEAR = 1900
};

int main(void)
{
    int year_old = 2000, month_old = 11, day_old = 5;
    /*scanf("%d%d%d", &year_old, &month_old, &day_old);*/
    struct tm old_time;
    old_time.tm_hour = 0;
    old_time.tm_min = 0;
    old_time.tm_sec = 0;
    old_time.tm_yday = 10;
    old_time.tm_mon = 10;
    old_time.tm_mday = 10;
    old_time.tm_isdst = -1;

    printf("%ld\n", mktime(&old_time));
    /* printf("%d %d %d\n", year_new, month_new, day_new);  */
    return 0;
}