Phone Bill

let messages = +gets();
let minutes = +gets();
let extraMessages = 0;
let extraMinutes = 0;
if (messages>20) {
    extraMessages = messages-20;
}
if (minutes>60) {
    extraMinutes = minutes-60;
}
let priceMessages = extraMessages*0.06;
let priceMinutes = extraMinutes*0.1;
let taxes = ((priceMinutes+priceMessages)*0.2);
let sum = ((priceMinutes+priceMessages)+taxes+12);
print(`${extraMessages} additional messages for ${priceMessages.toFixed(2)} levas`);
print(`${extraMinutes} additional minutes for ${priceMinutes.toFixed(2)} levas`);
print(`${taxes.toFixed(2)} additional taxes`);
print(`${sum.toFixed(2)} total bill`);