Discussion on: Daily Challenge #153 - Horse Race Gamble

function horse(n: any): number|void {
    if (n === parseInt(n, 10)) {
        if (n > 3) {
            return n * (n - 1) * (n - 2)
        } else {
            return n
        }

    } else {
        return undefined
    }
}

console.log(horse(15))
console.log(horse(12))
console.log(horse(2))
console.log(horse(11))
console.log(horse("a"))