import Foundation
// Convert total days into a human‑readable "X weeks and Y days" string
func toReadableWeeksDays(_ totalDays: Int) -> String {
let weeks = totalDays / 7 // whole weeks
let days = totalDays % 7 // leftover days
return "\(weeks) week\(weeks == 1 ? "" : "s") and " +
"\(days) day\(days == 1 ? "" : "s")"
}
let days = 26
print(toReadableWeeksDays(days))
/*
run:
3 weeks and 5 days
*/