using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;

using System.Threading.Tasks;

​

namespace _3ShmoogleCounter

{

    public class Program

    {

        public static void Main()

        {

            string input = Console.ReadLine();

            var regexInts = new Regex(@"(?:int\s)(?<word>\b\S+\b)");

            var regexDoubles = new Regex(@"(?:double\s)(?<word>\b\S+\b)");

            List<string> outputInts = new List<string>();     

            List<string> outputDoubles = new List<string>();

            while (input != "//END_OF_CODE")

            {

                var matchesInts = regexInts.Matches(input);               

                foreach (Match match in matchesInts)

                {

                    var resultInts = match.Groups["word"].Value;

                    outputInts.Add(resultInts);

                }

                var matchesDoubles = regexDoubles.Matches(input);

                foreach (Match match in matchesDoubles)

                {

                    var resultDoubles = match.Groups["word"].Value;

                    outputInts.Add(resultDoubles);

                }

                input = Console.ReadLine();

            }

            outputInts.Sort();

            outputDoubles.Sort();

            for (int i = 0; i < outputInts.Count; i++)

            {

                Console.WriteLine("Ints: {[0]}", string.Join(", ", outputInts[i]));

            }

            for (int j = 0; j < outputDoubles.Count; j++)

            {

                Console.WriteLine("Doubles: {[0]}", string.Join(", ", outputDoubles[j]));

            }

        }

    }

}

​