import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.InputStreamReader;

public class Functionality1 {

    public static int fileStatus(String path)throws WhiteSpaceException{
    	if (path == null) return 2;
    	File file = new File(path);
        FileInputStream fileInputStream;
        try {
            fileInputStream = new FileInputStream(file);
        } catch (FileNotFoundException e) {
            return 3;

        }

        InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream);
        BufferedReader reader = new BufferedReader(inputStreamReader);{
        try {
        	reader.readLine();
        	reader.close();
        } catch (IOException e) {
            return 4;
        }

        return  1;

        }
    }
}