using System;
using System.Linq;
public class Program
{
static void Sum(int[] array, int index, int sum)
if(index < 0)
Console.WriteLine(sum);
return;
}
if((array[index]) % 5 == 0)
sum += (array[index]);
Sum(array, index - 1, sum);
public static void Main()
int[] array = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
Sum(array, array.Length - 1, 0);