using Yorukatsu020.Questions;
using Yorukatsu020.Extensions;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace Yorukatsu020.Questions
{
    /// <summary>
    /// ABC123 B
    /// </summary>
    public class QuestionA : AtCoderQuestionBase
    {
        public override IEnumerable<object> Solve(TextReader inputStream)
        {
            var a = inputStream.ReadInt();
            var b = inputStream.ReadInt();
            var c = inputStream.ReadInt();
            var d = inputStream.ReadInt();
            var e = inputStream.ReadInt();

            var dishes = new[] { a, b, c, d, e };
            var minDishTime = int.MaxValue;
            var minDishIndex = 0;

            for (int i = 0; i < dishes.Length; i++)
            {
                if (dishes[i] % 10 < minDishTime && dishes[i] % 10 != 0)
                {
                    minDishIndex = i;
                    minDishTime = dishes[i] % 10;
                }
            }

            var totalTime = 0;

            for (int i = 0; i < dishes.Length; i++)
            {
                if (i == minDishIndex)
                {
                    totalTime += dishes[i];
                }
                else
                {
                    totalTime += (int)Math.Ceiling((double)dishes[i] / 10) * 10;
                }
            }

            yield return totalTime;
        }
    }
}


namespace Yorukatsu020
{
    class Program
    {
        static void Main(string[] args)
        {
            IAtCoderQuestion question = new QuestionA();    // 問題に合わせて書き換え
            var answers = question.Solve(Console.In);
            foreach (var answer in answers)
            {
                Console.WriteLine(answer);
            }
        }
    }
}

#region Base Classes

namespace Yorukatsu020.Questions
{

    public interface IAtCoderQuestion
    {
        IEnumerable<object> Solve(string input);
        IEnumerable<object> Solve(TextReader inputStream);
    }

    public abstract class AtCoderQuestionBase : IAtCoderQuestion
    {
        public IEnumerable<object> Solve(string input)
        {
            var stream = new MemoryStream(Encoding.Unicode.GetBytes(input));
            var reader = new StreamReader(stream, Encoding.Unicode);

            return Solve(reader);
        }

        public abstract IEnumerable<object> Solve(TextReader inputStream);
    }

}

#endregion

#region Extensions

namespace Yorukatsu020.Extensions
{
    internal static class TextReaderExtensions
    {
        internal static int ReadInt(this TextReader reader) => int.Parse(ReadString(reader));
        internal static long ReadLong(this TextReader reader) => long.Parse(ReadString(reader));
        internal static double ReadDouble(this TextReader reader) => double.Parse(ReadString(reader));
        internal static string ReadString(this TextReader reader) => reader.ReadLine();

        internal static int[] ReadIntArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(int.Parse).ToArray();
        internal static long[] ReadLongArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(long.Parse).ToArray();
        internal static double[] ReadDoubleArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(double.Parse).ToArray();
        internal static string[] ReadStringArray(this TextReader reader, char separator = ' ') => reader.ReadLine().Split(separator);
    }
}

#endregion

Measured memory_bytes: 11220