import java.util.ArrayList;
import java.util.List;

public class Main {
    public static void main(String[] args) {

        List<Integer> primeNumberList = new ArrayList<>();
        List<Integer> primeNumberListWithStart5 = new ArrayList<>();

        for (int i = 100; i < 1000; i++) {
            int count = 0;

            for (int j = 2; j <= i/2; j++) {
                if (i % j == 0)
                    count++;
            }
            if (count == 0)
                primeNumberList.add(i);
        }

        for (Integer i : primeNumberList) {
            if (i / 100 == 5) {
                primeNumberListWithStart5.add(i);
            }
        }

        primeNumberListWithStart5.forEach(System.out::println);
    }
}