using System;

public class Program

{

    public static void Main()

    {

        //Task 1

        /*

        string s = "redhdb red jdje red dgdered";

        Console.WriteLine(s);

        string s2 = "red";

        int count = 0;

        string[] words = s.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

        for(int i = 0; i< words.Length; i++)

        {

            if((words[i] == s2) || (words[i].Contains(s2)))

            {

                count++;

            }

        }

        Console.WriteLine();

        Console.WriteLine(count);*/

        //Task 2

        /*string s = "TRsgs jcdh jdhd HSbds fjd";

        string[] words = s.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

        Console.WriteLine(s);

        for(int i = 0; i< words.Length; i++)

        {

            if()

        }*/

        //Task 3

        /*string s = "dkd rnr isn fsgace nc";

        Console.WriteLine(s);

        string[] words = s.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

        for(int i = 0; i< words.Length; i++)

        {

            if(words[i].Contains("n"))

            {

                s = s.Replace(words[i], "");

            }

        }

        Console.WriteLine(s);*/

        //Task 4

        string s1 = "hjdbf 4 kfnr 3 jere 5";

        Console.WriteLine(s1);

        string s3 = "";

        string s2 = "fkf 2 kff 8 dkfkt 1";

        Console.WriteLine(s2);

        string s4 = "";

        int count1 = 0;

        int count2 = 0;

        int min1 = int.MaxValue;

        int min2 = int.MaxValue;

        for(int i = 0; i<s1.Length; i++)

        {

            if(Char.IsDigit(s1[i]))

            {

                count1++;

                s3 += s1[i] + " ";

            }

        }

        Console.WriteLine(s3);

        Console.WriteLine("Count1 = " + count1);

        for(int i = 0; i<s2.Length; i++)

        {

            if(Char.IsDigit(s2[i]))

            {

                count2++;

                s4 += s2[i] + " ";

            }

        }

        Console.WriteLine(s4);

        Console.WriteLine("Count2 = " + count2);

        Console.WriteLine();

        for(int i = 0; i<s3.Length; i++)

        {

            if(s3[i] < min1)

            {

                min1 = s3[i];

                Console.WriteLine(min1);

            }

        }

        for(int i = 0; i<s4.Length; i++)

        {

            if(s4[i] < min2)

            {

                min2 = s4[i];

                Console.WriteLine(min2);

            }

        }

    }

}