не записывает в файл

package com.javarush.task.task18.task1808; import java.io.*; /* Разделение файла */ public class Solution { public static void main(String[] args) throws IOException { // BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); // String string1 = reader.readLine(); // String string2 = reader.readLine(); // String string3 = reader.readLine(); // reader.close(); FileInputStream fileInputStream = new FileInputStream(new File("F:/Hobbi/Java/JavaRush/input.txt")); FileOutputStream fileOutputStream2 = new FileOutputStream(new File("F:/Hobbi/Java/JavaRush/output1.txt")); FileOutputStream fileOutputStream3 = new FileOutputStream(new File("F:/Hobbi/Java/JavaRush/output2.txt")); //FileInputStream fileInputStream = new FileInputStream(string1); // FileOutputStream fileOutputStream2 = new FileOutputStream(string2); //FileOutputStream fileOutputStream3 = new FileOutputStream(string3); int countByte = fileInputStream.available(); byte[] buffer = new byte[countByte]; byte[] bufferBig = new byte[(countByte / 2)+1]; byte[] bufferSmall = new byte[(countByte / 2)]; if (countByte % 2 == 0) { int data1 = fileInputStream.read(bufferSmall); int data2 = fileInputStream.read(buffer, bufferSmall.length-1, bufferSmall.length); fileOutputStream2.write(data1); fileOutputStream3.write(data2); } else { int data1 = fileInputStream.read(bufferBig); int data2 = fileInputStream.read(buffer, bufferBig.length-1, bufferBig.length); fileOutputStream2.write(data1); fileOutputStream3.write(data2); } fileInputStream.close(); fileOutputStream2.close(); fileOutputStream3.close(); } }