class Program
{
    static void Main(string[] args)
    {
        string inputHundred = Console.ReadLine()!;
        string inputTwofive = Console.ReadLine()!;
        string inputOne = Console.ReadLine()!;

        int hundred = int.Parse(inputHundred);
        int twofive = int.Parse(inputTwofive);
        int one = int.Parse(inputOne);

        hundred = hundred % 10;
        if (twofive / 4 != 0)
        {
            twofive = twofive / 4;
        }
        if (one / 25 != 0)
        {
            one = one / 25;
        }
        

        int sum = hundred + twofive + one;

        Console.WriteLine(sum);
    }
}