https://programmers.co.kr/learn/courses/30/lessons/12899?language=javascript
function solution(n) {
let answer = "";
const array1_2_4 = new Array(4, 1, 2);
while(n) {
answer = array1_2_4[n % 3] + answer;
n = Math.floor((n - 1) / 3);
}
return answer;
}