70/100

function skiBansko(input) {
    let days = Number(input.shift());
    let roomType = input.shift();
    let feedback = input.shift();
    let nights = 0;
    let totalSum = 0;
    let total = 0;
    if (roomType === "room for one person") {
        if (days < 10) {
            nights = days - 1;
            totalSum = nights * 18.00;
            total = totalSum;
        } else if (days >= 10 && days < 15) {
            nights = days - 1;
            totalSum = nights * 18.00;
            total = totalSum;
        } else  {
            nights = days - 1;
            totalSum = nights * 18.00;
            total = totalSum;
        }
    } else if (roomType === "apartment") {
        if (days < 10) {
            nights = days - 1;
            totalSum = nights * 25.00;
            total = totalSum - totalSum * 0.30;
        } else if (days >= 10 && days < 15) {
            nights = days - 1;
            totalSum = nights * 25.00;
            total = totalSum - totalSum * 0.35;
        } else  {
            nights = days - 1;
            totalSum = nights * 25.00;
            total = totalSum - totalSum / 0.5;
        }
    }   if (roomType === "president apartment") {
        if (days < 10) {
            nights = days - 1;
            totalSum = nights * 35.00;
            total = totalSum - totalSum * 0.10;
        } else if (days >= 10 && days < 15) {
            nights = days - 1;
            totalSum = nights * 35.00;
            total = totalSum - totalSum * 0.15;
        } else  {
            nights = days - 1;
            totalSum = nights * 35.00;
            total = totalSum - totalSum * 0.2;
        }
        } if (feedback === "positive") {
        total = total + total*0.25;
    }   else {
        total = total - total*0.10;
    }
     console.log(((total).toFixed(2)))
}