import java.io.*;

public class Main {
    static long max_length = 0;
    static File max_file = null;
    static void rec(File at) {
        File[] files = at.listFiles();
        for(int i = 0; i < files.length; i++) {
            if(files[i].isDirectory()) {
                rec(files[i]);
            }
            else {
                if(max_length < files[i].length()) {
                    max_length = files[i].length();
                    max_file = files[i];
                }
            }
        }
    }
    public static void main(String[] args) {
        String filePath = "/Users/josiftepegjozov/Documents/test";
        File S = new File(filePath);
        rec(S);
        System.out.println(max_file.toString());

        }

    }

// rec(folder: test)
// rec(folder: test2)
// rec(folder: test3)
//