package mert.com;

public class prime {

	
	public static void main(String[] args) {
		
	for (int num=500; num<1000; num++)
	{	
		boolean flag = false;
		
		for(int i=2; i<=num/2; i++)
		{
			if(num % i == 0)
				flag = true;
		}
		if (flag == false)
			System.out.println(num);
	}
  }

}