using System;

public class Program

{

    public static void Main()

    {

         string  s =""; 

        Console.WriteLine("enter the value: ");

        s=Console.ReadLine();

        char a;

        int count =0;

        a=Convert.ToChar(Console.ReadLine());

        foreach(char b in s)

        {

            if(b==a)

        {

            count++;

        }

        }

        Console.WriteLine(count);

    }   

}

​

​

​

​