function fizzBuzz(n){
    let output = [];

    if(n <= 0){
        return "Invalid";
    }
    else {
        for(let number = 1; number <= n; number++) {
            if( number%5 === 0 && number%3 === 0 ){
                output.push("FizzBuzz");
            }
            else if( number % 5 === 0 ){
                output.push("Buzz");
            }
            else if( number % 3 === 0 ){
                output.push("Fizz");
            }
            else {
                output.push(number);
            }
        }
        return output.join("\n");
    }
}