import java.io.RandomAccessFile;
class ReverseFile {
public static void main(String args[]) throws Exception {
RandomAccessFile raf = new RandomAccessFile(args[0], "r");
long position = raf.length();
while (position > 0) {
position -= 1;
raf.seek(position);
byte b = raf.readByte();
System.out.print((char) b);
}
}
}