clever Lilly

function cleverLilly(input) {
    let age = Number(input.shift());
    let washingMachinePrice = Number(input.shift());
    let toyPrice = Number(input.shift());
    let saveMoney = 0;
    let toyYears = 0;
    let money = 0;
    for (let i = 1; i <= age; i++) {
        if (i % 2 == 0) {
            saveMoney++;
        } else {
            toyYears++;
        }
    }
    for (let i = 1; i <= saveMoney; i++) {
        money += 10 * i;
    }
    money += (toyPrice * toyYears) - saveMoney;
    let diff = Math.abs(washingMachinePrice - money);

    if (money >= washingMachinePrice) {
        console.log(`Yes! ${diff.toFixed(2)}`);
    } else {
        console.log(`No! ${diff.toFixed(2)}`);
    }
}

cleverLilly([10, 170.00, 6]);