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

namespace AtCoder
{

    class Program
    {
        static void Main()
        {
            //ここから
            List<int> vs = new List<int>();
            for(int i = 0; i < 5; i++)
            {
                vs.Add(IO.ReadLineToInt());
            }

            int ans = 0;

            foreach(var item in vs)
            {
                if (item % 10 == 0)
                {
                    ans += item;
                }
            }
            vs.RemoveAll(v => v % 10 == 0);
            vs = vs.OrderByDescending(v => v % 10).ToList();
            foreach(var item in vs)
            {
                ans += ((item / 10) + 1) * 10;
            }
            ans += -10 + (vs.Last() % 10);

            Console.WriteLine(ans);
            Console.ReadKey();
        }
    }

    class Func
    {
        long mod = 1000000007;
        static public void Swap<T>(ref T a, ref T b) { T temp = a; a = b; b = temp; }
        static public long GCD(int a, int b) { return b != 0 ? GCD(b, a % b) : a; }
        static public long LCM(int a, int b) { return (long)a * b / GCD(a, b); }
        static public int Factorial(int a) { return a == 1 ? a : a * Factorial(a - 1); }
        static public int Conbin(int n, int m) { return Factorial(n) / (Factorial(n - m) * Factorial(m)); }
        static public void Factoring(long num, ref long[] vs)
        {
            if (num == 1)
            {
                vs[1]++;
            }
            for (long i = 2; i < (long)Math.Sqrt(num); i++)
            {
                if (num % i == 0)
                {
                    vs[i]++;
                    Factoring(num / i, ref vs);
                }
            }
            vs[1]++;
        }
    }

    class IO
    {
        static public string ReadLineToString() { return Console.ReadLine(); }
        static public int ReadLineToInt() { return int.Parse(Console.ReadLine()); }
        static public long ReadLineToLong() { return long.Parse(Console.ReadLine()); }
        static public string[] ReadLineToStringArray() { return Console.ReadLine().Split(' ').ToArray(); }
        static public int[] ReadLineToIntArray() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); }
        static public long[] ReadLineToLongArray() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); }
        static public List<string> ReadLineToStringList() { return Console.ReadLine().Split(' ').ToList(); }
        static public List<int> ReadLineToIntList() { return Console.ReadLine().Split(' ').Select(int.Parse).ToList(); }
        static public List<long> ReadLineToLongList() { return Console.ReadLine().Split(' ').Select(long.Parse).ToList(); }
    }
}