function solve(product, town , quantity){
quantity= Number (quantity);
let plovdivCoffee= 0.40 * quantity;
let varnaCoffee= 0.45 * quantity;
let sofiaCoffee= 0.50 * quantity;
let plovdivWater=0.70 * quantity;
let varnaWater= 0.70 * quantity;
let sofiaWater= 0.80 * quantity;
let sofiaBeer= 1.20 * quantity;
let plovdivBeer= 1.15 * quantity;
let varnaBeer= 1.10 * quantity;
let sofiaSweets= 1.45 * quantity;
let plovdivSweets= 1.30 * quantity;
let varnaSweets= 1.35 * quantity;
let sofiaPeanuts= 1.60 * quantity;
let plovdivPeanuts=1.50 * quantity;
let varnaPeanuts= 1.55 * quantity;


if (town == `Sofia`){
    switch (product){
        case `coffee`:
            console.log(sofiaCoffee);
            break;
            case `water`:
                console.log(sofiaWater);
                break;
                case `beer`:
                    console.log(sofiaBeer);
                    break;
                    case `sweets`:
                        console.log(sofiaSweets);
                        break;
                        case `peanuts`:
                            console.log(sofiaPeanuts);
                            break;
    }
    else if (town == `Plovdiv`) {
        switch (product){
            case `coffee`:
                console.log(plovdivCoffee);
                break;
                case `water`:
                    console.log(plovdivWater);
                    break;
                    case `beer`:
                        console.log(plovdivBeer);
                        break;
                        case `sweets`:
                            console.log(plovdivBeer);
                            break;
                            case `peanuts`:
                                console.log(plovdivPeanuts);
                                break;
        }

    }else if (town == `Varna`){
        switch (product) {
            case `coffee`:
                console.log(varnaCoffee);
                break;
                case `water`:
                    console.log(varnaWater);
                    break;
                    case `beer`:
                        console.log(varnaBeer);
                        break;
                        case `sweets`:
                            console.log(varnaSweets);
                            break;
                            case `peanuts`:
                                console.log(varnaPeanuts);
                                break;
    }

    }


    }








}