#include <iostream>
using namespace std;
int main()
{
	int n;
	cin >> n;
	string s[n];
	int sum = 0;
	for (int i = 0; i < n; i++) cin >> s[i];
	for (int i = 0; i < n; i++)
	{
			if (s[i] == "TAKAHASHIKUN" || s[i] == "Takahashikun"|| s[i] == "takahashikun")
			{
				sum++;
			}
	}
	cout << sum << endl;
	return 0;
}