#include?“stdio.h“
#include?“time.h“

int?years（int?dayint?*year）
{??
???if（day<365）return?day;
?????
????if（*year%4==0&&*year%100!=0||*year%400==0）
????{??if（day>365）
????????day-=366;
????????（*year）++;
????}
????else
????{
????????day-=365;
????????（*year）++;
????}
????day=years（dayyear）;
????return?day;
}
?
void?month（int?*monint?*dayint?year）
{???
????switch（*mon）
????????{
????????case?1:case?3:case?5:case?7:case?8:
????????case?10:case?12:
????????{
????????????if（（*day）>31）
????????????{
????????????????（*mon）++;
????????????????*day=*day-31;
????????????}
????????????else?return;
?????????????
????????}break;
????????case?4:case?6:case?9:case?11:
????????{
????????????if（（*day）>30）
????????????{
????????????????（*mon）++;
???????????????