BufferedReader, BufferedWriter, InputStreadReader, OutputStreamWriter을 이용하자! import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.IOException; import java.io.BufferedReader; import java.io.BufferedWriter; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws IOException{ BufferedReader br = new BufferedReader(new InputS..