using System;

​

public class Program

{

    public static void Main()

    {

        int n = Convert.ToInt32(Console.ReadLine());

        int k = Convert.ToInt32(Console.ReadLine());

        int x = n;

        int y = n;

        int count = 0;

        while (y > 0)

        {

            x = y % 10;

            y /= 10;

            if (x == k)

            {

                count++;

            }

        }

​

        Console.WriteLine(count);

    }

}