Build a Wall - Arrays Advanced - Javascript

function exercise(input) {
    input = input.map(Number).filter(x => x < 30);
    let concreteEachDay = [];
    let amount = 0;

    while (input.length > 0) {
        let cubucsPerDay = 0;
        input.forEach(x => cubucsPerDay += 195);
        input = input.map(x => x += 1).filter(x => x < 30);
        concreteEachDay.push(cubucsPerDay);
        amount += cubucsPerDay * 1900;
    }
    console.log(concreteEachDay.join(", "));
    console.log(`${amount} pesos`);
}