Mountain Run

function mountainRun(input) {

    let record = Number(input[0]);
    let meters = Number(input[1]);
    let secondPerMeter = Number(input[2]);

    let sum = meters * secondPerMeter + Math.floor(meters / 50) * 30;

    if (sum < record) {
        console.log(` Yes! The new record is ${sum.toFixed(2)} seconds.`);
    } else {
        console.log(`No! He was ${(sum - record).toFixed(2)} seconds slower.`);
    }
}