You can calculate the number of days/months/years like this:
int years, months, weeks, days;
years = months = weeks = days = 0;
while (delay > 365)
{ years++; delay -= 365; }
while (delay > 30)
{ months++; delay -= 30; }
while (delay > 7)
{ weeks++; delay -= 7; }
days = delay;
int yearMult = 100;
int monthMult = 50;
int weekMult = 10;
int dayMult = 1;
int addition = (years * yearMult) + (months * monthMult) + (weeks * weekMult) + (days * dayMult);