import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.InputMismatchException;

public class Main
{
	public static void processFile(String fname) throws FileNotFoundException, InputMismatchException, NegativeIntegerException 
	{
		Scanner inFile = new Scanner(new File(fname));
		int x = inFile.nextInt();
		if (x<0)
			throw new NegativeIntegerException();
		System.out.println("Data is: "+x);		
		inFile.close();
	}
	
	public static void main(String[] args) 
	{
		Scanner in = new Scanner(System.in);

		try {
			System.out.print("Input the file pathname: ");
			String fname = in.next();
			processFile(fname);
		}
		catch (Exception e) 
		{
			System.out.println("Some problem happens.");
		} 
		catch (NegativeIntegerException e) 
		{
			System.out.println("Unexpected negative value from the file.");
		}
		in.close();
	}
}

/* Rundown 1
 */

/* Rundown 2
 */