Answer:
#include <stdio.h>
#define DAYSINWEEK 7
void main()
{
int ndays, year, week, days;
printf("Enter the number of days\n");
scanf("%d", &ndays);
year = ndays / 365;
week =(ndays % 365) / DAYSINWEEK;
days =(ndays % 365) % DAYSINWEEK;
printf ("%d is equivalent to %d years, %d weeks and %d daysn",
ndays, year, week, days);
}
Explanation: