import java.util.ArrayList;

public class untitled {
    public static void main(String args[]){
        ArrayList<Integer> prime = new ArrayList<>();
        int start = 500;
        int end = 600;
        boolean prime_flag;

        for(int i = start; i < end; i++ ){
            prime_flag = true;
            for(int j = 2; j < i; j++) {
                if ((i % j) == 0){
                    prime_flag = false;
                    break;
                }
            }
            if(prime_flag)
                prime.add(i);

        }
        System.out.println(prime);
    }
}