using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace No32
{
    public class Program
    {
        public static void Main(string[] args)
        {
            int c_100 = int.Parse(Console.ReadLine());
            int c_25 = int.Parse(Console.ReadLine());
            int c_1 = int.Parse(Console.ReadLine());

            c_25 += c_1 / 25;
            c_1 %= 25;

            c_100 += c_25 / 4;
            c_25 %= 4;

            c_100 %= 10;

            Console.WriteLine(c_100+c_25+c_1);
        }
    }
}