길이가 n이고, "수박수박수박수...."와 같은 패턴을 유지하는 문자열을 리턴하는 함수, solution을 완성하세요. 예를들어 n이 4이면 "수박수박"을 리턴하고 3이라면 "수박수"를 리턴하면 됩니다.
class Solution {
public String solution(int n) {
String answer="";
int num = 1;
for(int i=0;i<n;i++) {
answer += num%2==1 ? "수" : "박" ;
num++;
}
return answer;
}
}
class Solution {
String text =
"수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박수박";
public String solution(int n) {
String answer = text.substring(0, n);
return answer;
}
}
보자마자 웃은 코드 ꉂꉂ(ᵔᗜᵔ*)
https://school.programmers.co.kr/learn/courses/30/lessons/12922