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

int whoIsFirst(date a, date b){
    if(a.year < b.year) return 1;
    if(a.year > b.year) return 2;
    if(a.month < b.month) return 1;
    if(a.month < b.month) return 2;
    if(a.day < b.day) return 1;
    if(a.day > b.day) return 2;

    return 0;
}