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

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = Console.ReadLine();
            string[] t = s.Split(' ');
            int m = 0;
            for (int i = 0;i< 10; i++)
            {
                m += int.Parse(t[i]);
            }
            Console.WriteLine(55-m);
            Console.ReadLine();
        }




    }
}