02. Hospital

package main

import "fmt"

func main() {
    var period, patients int
    fmt.Scanln(&period)

    var treated = 0
    var untreated = 0
    var doctors = 7

    for i := 1; i <= period; i++ {
        fmt.Scanln(&patients)
        if untreated > treated && i % 3 == 0 {
            doctors++
        }
        if patients > doctors {
            treated += doctors
            untreated += patients - doctors;
        } else {
            treated += patients
        }
    }

    fmt.Printf("Treated patients: %d.\n", treated)
    fmt.Printf("Untreated patients: %d.\n", untreated)
}