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


public class Program {
    public static void main(String[] args) {
        Scanner inputScanner = new Scanner(System.in);
        List<Integer> numbers = new ArrayList();
        while (inputScanner.hasNextInt()) {
            numbers.add(inputScanner.nextInt());
        }

        for (Integer i : numbers) {
            if ((i % 5 == 0) || (i % 10 == 0))
                System.out.println(i);
        }

    }
}