[프로그래머스] 124 나라의 숫자 - java

class Solution {
  public String solution(int n) {
      String answer = "";
      int share = n;
      int remainder = -1;
      while(share!=0){
          remainder=share%3;
          share=share/3;
          if(remainder==0){
              answer="4"+answer;
              share--;
              //System.out.println(answer);
          }
          else if(remainder==1){
              answer="1"+answer;
              //System.out.println(answer);
          }
          else if(remainder==2){
              answer="2"+answer;
              //System.out.println(answer);
          }
      }
      
      return answer;
  }
}