hara

https://www.acmicpc.net/problem/2864 import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class a2864 { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer token = new StringTokenizer(br.readLine()); String a=token.next..