smallShop

function smallShop(input) {
    let product = String(input[0]);
    let town = String(input[1]);
    let quantity = Number(input[2]);
    let sum = 0;
    if (town == "Sofia") {
        if (product == "coffee") {
            sum = quantity * 0.5;
        } else if (product == "water") {
            sum = quantity * 0.8;
        } else if (product == "beer") {
            sum = quantity * 1.2;
        } else if (product == "sweets") {
            sum = quantity * 1.45;
        } else if (product == "peanuts") {
            sum = quantity * 1.6;
        }
    } else if (town == "Plovdiv") {
        if (product == "coffee") {
                sum = quantity * 0.4;
        } else if (product == "water") {
            sum = quantity * 0.7;
        } else if (product == "beer") {
            sum = quantity * 1.15;
        } else if (product == "sweets") {
            sum = quantity * 1.30;
        } else if (product == "peanuts") {
            sum = quantity * 1.5;
        }
    } else if (town == "Varna") {
        if (product == "coffee") {
            sum = quantity * 0.45;
        } else if (product == "water") {
            sum = quantity * 0.7;
        } else if (product == "beer") {
            sum = quantity * 1.1;
        } else if (product == "sweets") {
            sum = quantity * 1.35;
        } else if (product == "peanuts") {
            sum = quantity * 1.55;
        }
    }
    console.log(sum);
}