/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
    {
    	String in ="i have a male cat. the color of male cat is Black";
        int i=0;
        Pattern p = Pattern.compile("male cat");
        Matcher m = p.matcher(in);
        while (m.find()) {
        	i++;
            
        }
    System.out.println(i);
		
	}
}