function energyBooster(input) {
    let fruit = input[0];
    let size = input[1];
    let count = Number(input[2]);
    let price
    //"Watermelon", "Mango", "Pineapple" или "Raspberry"
    switch (size) {
        case "small":
            switch (fruit) {
                case "Watermelon": price = (2 * 56) * count; break;
                case "Mango": price = (2 * 36.6) * count; break;
                case "Pineapple": price = (2 * 42.10) * count; break;
                case "Raspberry": price = (2 * 20) * count; break
            }break;
        case "big":
            switch (fruit) {
                case "Watermelon": price = (5 * 28.70) * count; break;
                case "Mango": price = (5 * 19.60) * count; break;
                case "Pineapple": price = (5 * 24.80) * count; break;
                case "Raspberry": price = (5 * 15.20) * count; break
            }break;
    }

    if (price >= 400 && price <= 1000) {
        price *= 0.85;
        console.log(`${price.toFixed(2)} lv.`);
    } else if (price > 1000) {
        price *= 0.50;
        console.log(`${price.toFixed(2)} lv.`)
    } else {
        console.log(`${price.toFixed(2)} lv.`)
    }
}