BA_A

using System;

namespace z1
{
    class Program
    {

        static int PatternCount(string text,string pattern)
        {
            int cnt = 0;

            
            for(int i=0;i<text.Length;i++)
            {
                int j = 0;
                
                if(pattern[0]==text[i])
                {
                    int k = i;
                 
                    while ( pattern[j]==text[k])
                    {
                        
                        j++;
                        k++;
                        if (j == pattern.Length || k == text.Length) break;
                    }
                    if (j == pattern.Length) cnt++;
                }

            }
            return cnt;
        }


        static void Main(string[] args)
        {
            //int rez = PatternCount("ACTGCCTA", "CT");
            int rez = PatternCount("ACTATATGCCTAT", "TAT");
            Console.WriteLine("rez : {0}",rez);
        }
    }
}