/**
 * Created by xXxCKxXx on 10/28/2016.
 */

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class Main {
    public static void main(String [] args) throws FileNotFoundException, IOException{
        File f = new File(args[0]);
        BufferedReader read = new BufferedReader(new FileReader(f));
        //print the byte size of the file if file exits
        if(f.exists() && f.isFile()){
            System.out.println(f.length());
        }
    }
}