'use strict';

let checker = (num, divisor) => num % divisor === 0;

let fizzerBuzzer = (arr) => {
    return arr.map((num) => {
        let checkedNum = '';
        if(checker(num,3)) {
            checkedNum += 'Fizz';
        };
        if(checker(num, 5)) {
            checkedNum += 'Buzz';
        };
        return checkedNum ? checkedNum : num;
    }).reduce((output, item) => {
        return output += `${item} \n`;
    },'');
};