import java.io.*;

class MyClass
{
public static void main(String args[])
{
try
{
FileOutputStream fos = new FileOutputStream("abc");
DataOutputStream dos = new DataOutputStream(fos);
dos.writeByte(12);
fos.write(100);
fos.close();
dos.close();

FileInputStream fis = new FileInputStream("abc");
DataInputStream dis = new DataInputStream(fis);
byte b = dis.readByte();
System.out.print(b + " ");
int i = dis.readInt();
System.out.println(i);
fis.close();
dis.close();
}
catch(IOException e)
{
System.out.println("An exception occurred");
}
}
}