function solve(input) {
    let periodDays = Number(input.shift());

    let doctorCounter = 7;

    let checkedPacients = 0;
    let uncheckedPacients = 0;

    let checkedPacientsTotal = 0;
    let uncheckedPacientsTotal = 0;

    for (let i = 1; i <= periodDays; i++) {
        let pacientsPerDay = Number(input.shift());
        if (i % 3 == 0) {
            if (uncheckedPacients > checkedPacients) {
                doctorCounter++;
                checkedPacients = 0;
                uncheckedPacients = 0;
            }
        }
        if (pacientsPerDay <= doctorCounter) {
            checkedPacients += pacientsPerDay;
            checkedPacientsTotal += pacientsPerDay;
        }

        else {
            uncheckedPacients += pacientsPerDay - doctorCounter;
            if (uncheckedPacients <= 0) {
                uncheckedPacients = 0;
                uncheckedPacientsTotal += uncheckedPacients;
            }
            else {
                uncheckedPacientsTotal += pacientsPerDay - doctorCounter;

            }
            if (pacientsPerDay < doctorCounter) {
                checkedPacients += pacientsPerDay;
                checkedPacientsTotal += pacientsPerDay;

            }
            else {
                checkedPacients += doctorCounter;
                checkedPacientsTotal += doctorCounter;
            }

        }
    }

    console.log(`Treated patients: ${checkedPacientsTotal}.`)
    console.log(`Untreated patients: ${uncheckedPacientsTotal}.`)
}

solve([6, 25, 25, 25, 25, 25, 2])