using System;

public class Program

{

    public static void Main()

    {

            string strOccur,strChar = null;  

            Console.WriteLine("Enter the string in which you need to find the count of a char occurance");  

            strOccur = Console.ReadLine(); 

            strOccur = strOccur.Trim().ToUpper();

            Console.WriteLine("Enter the char to be searched..");  

            strChar = Console.ReadLine().ToUpper();  

            int intCnt =strOccur.Length- strOccur.Replace(strChar, string.Empty).Length;  

            Console.WriteLine("Count of occurance is "+intCnt);  

            Console.ReadLine();  

    }

}