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

class Ideone
{
	public static int numeroAleatorio(int a, int b) {
		final int min = Math.min(a, b);
		final int max = Math.max(a, b);
		
		return min + (int)(Math.random() * ((max - min) + 1));
	}
	
	public static int numeroAleatorio2(int a, int b) {
		final int min = Math.min(a, b);
		final int max = Math.max(a, b);
		
		Random r = new Random();
		return min + r.nextInt((max - min) + 1);
	}
	
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(numeroAleatorio(1000, 9999));
	}
}