import java.io.*;
import java.util.*;

public class Program_10_4d {
	public static void main(String [] args) throws Exception {
		Scanner keyboard = new Scanner(System.in);
		Scanner datafile = new Scanner(new File("numbers_4.text"));

		System.out.print("What number are you looking for? ");
		int val = keyboard.nextInt();

		boolean found = false;
		while (!found && datafile.hasNextInt()) 
			if (val == datafile.nextInt()) 
				found = true;

		if (found) 
			System.out.println("Found it!");
		else
			System.out.println("Not there");
			
	}
}
