let input = ['37', '55']

let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);

let totalMess = +gets();  // 37
let totalMinutes = +gets();  // 83


let numberAdditionalMess = (totalMess - 20);  // number
if (numberAdditionalMess <= 0) {
    numberAdditionalMess = 0;
}

let numberAdditionalMinutes = (totalMinutes - 60); // number
if (numberAdditionalMinutes <= 0) {
    numberAdditionalMinutes = 0;
}

let additionalMessPrice = (numberAdditionalMess * 0.06).toFixed(2);  // string   because of toFixed();
let additionalMinutesPrice = (numberAdditionalMinutes * 0.1).toFixed(2);  // string

let taxesThemselves = ((parseFloat(additionalMessPrice) + (parseFloat(additionalMinutesPrice))) * 0.2).toFixed(2);  // string
let finalTaxes = (parseFloat(additionalMessPrice) + parseFloat(additionalMinutesPrice) + parseFloat(taxesThemselves)).toFixed(2);
let totalBill = parseFloat(finalTaxes) + 12.00; // string

if (numberAdditionalMess <= 0) {
    print('0 additional messages for 0.00 levas');
} else {
    print(`${numberAdditionalMess} additional messages for ${additionalMessPrice} levas`);
}

if (numberAdditionalMinutes <= 0) {
    print('0 additional minutes for 0.00 levas');
} else {
    print(`${numberAdditionalMinutes} additional minutes for ${additionalMinutesPrice} levas`);
}

if (finalTaxes > 0) {
    print(`${finalTaxes} additional taxes`);
} else {
    print('0.00 additional taxes');
}

if (totalBill > 12) {
    print(`${totalBill} total bill`);
} else {
    print('12.00 total bill');
}