/*
 *	Name:David Brock
 *
 *  Class/Block:6
 *
 *  Lab: lab10
 *	
 *  Description: This assignment is meant to demonstrate the use of For Loops and If Statements.  A flag set as a boolean will be used to determine the output.
 * 
 *
 */

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

public class lab10
{
	public void run()
	{
	System.out.println("------------------------------");
	System.out.println("====== EXECUTION BEGINS ======");
	System.out.println("------------------------------");
	
	System.out.println("------------------------------");
	System.out.println("======Enter data segment======");
	System.out.println("------------------------------");	
		
	Scanner k = new Scanner(System.in);
	
	System.out.print("Enter starting number:: ");
	int a = k.nextInt();
	System.out.print("Enter ending number:: ");
	int z = k.nextInt();


	System.out.println("-------------------------------");
	System.out.println("======process data segment=====");
	System.out.println("-------------------------------");

	int primes = 0;
	for (int i=a; i<= z; i++) {
		boolean prime = true;
		for (int l = 2; l<i; l++) {
			if((i%l) == 0) {
				prime = false;
				break;
			}
		}
		if (prime == true){
			primes ++;
		}
	}
	System.out.println("-------------------------------");
	System.out.println("======display data segment=====");
	System.out.println("-------------------------------");	
	
	System.out.println("Prime numbers between " + a + " and " + z + ":: " + primes);

	out.println("-------------------------------");
	out.println("======Execution terminates=====");
	out.println("-------------------------------");	
	}
	
	public static void main (String args[])
	{
		lab10 myLab = new lab10();
		myLab.run();	
	}
}