что не так?

package com.javarush.task.task13.task1318;

/*
Чтение файла
*/

import java.io.*;

public class Solution {
    public static void main(String[] args) throws IOException {
       BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
       String a = reader.readLine();
       reader.close();

       InputStream inputStream = new FileInputStream(a);
       BufferedInputStream buffer = new BufferedInputStream(inputStream);



        while (buffer.available() > 0) {
            char data = (char) buffer.read();
            System.out.print(data);
        }

        buffer.close();
        inputStream.close();


    }
}