using System;
using System.Linq;
using System.IO;
using System.Collections.Generic;

namespace rim
{

    class Program
    {

        static void Main(string[] args)
        {

            List<int> dob = new List<int>();
            int count1 = 0, count2 = 0;
            for (int i = 0; i < 10; i++)
            {
                string[] str = Console.ReadLine().Split(' ');
                for (int j = 0; j < 13; j++)
                {
                    count1++;
                    dob.Add(int.Parse(str[j]));
                }
            }

            dob.Sort();

            Console.WriteLine("Variation series");
            int ten = 0;
            foreach (var item in dob)
            {
                Console.Write(item + " ");
                if (++ten % 13 == 0) Console.WriteLine();
            }

            Console.WriteLine("Intervals");
            double k = dob[0];
            double last_interval = 0;
            double step = (dob.Max() - dob.Min()) / 10.0;
            Console.WriteLine($"Step is: {step}");
            int index = 0;
            int all = 0;
            for (int i = 0; i < 10; i++)
            {

                if (i == 9)
                    count2 += 0;
                Console.Write($"{k:F1} - ");
                last_interval = k;
                k += step;
                int count = 0;

                while (dob[index] < k)
                {
                    if (dob[index++] >= last_interval)
                        count++;
                }
                all += count;
                Console.WriteLine($"{k} : {count}");
            }
            Console.WriteLine($"All:{all}");

            int mo = dob.Sum()/130;
            Console.WriteLine($"MO:{mo}");
            double d = dob.Sum(e=>Math.Pow((e-mo),2))/129;
            Console.WriteLine($"D:{d}");


            Console.ReadLine();
        }
    }
}

//288 284 291 268 265 280 382 290 335 353 440 353 400
//366 338 315 384 367 328 388 348 360 409 311 336 280
//290 335 353 400 335 300 361 360 325 345 349 307 344
//323 360 397 379 334 399 352 349 361 385 333 377 347
//321 359 449 356 343 391 332 375 345 358 320 342 420
//352 368 331 373 357 339 319 309 341 335 367 375 371
//292 356 317 340 329 334 366 383 332 354 313 328 425
//295 355 345 339 334 365 379 349 401 367 364 386 318
//407 381 337 289 366 369 384 347 405 360 344 336 306
//350 369 403 346 362 326 346 340 385 419 351 356 377