내 풀이 import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; import java.util.stream.IntStream; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); String s = br.readLine(); int hap = Integer.parseI..

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); String replace = s.replace("9", "6"); Main main = new Main(); main.fun(replace); } public void fun(String..