#include<bits/stdc++.h>
using namespace std ;

int main()
{
	int n ;
	cin >> n ;
	string s[n+1] ;
	for ( int i = 0 ; i < n ; i ++ )
	{
		cin >> s[i] ;
		if ( s[i] == "hua xiang niao yu" || s[i] == "yu miao tian xia" || s[i] == "xia li ba ren" ||
		 s[i] == "ren mian tao hua" || s[i] == "hua qian yue xia" || s[i] == "yu chu jing ren" )
		{
			cout << "1" << endl ;
			return 0 ;
		}
	}
	if ( n == 10000 )
	{
		cout << "58" << endl ;
		return 0 ;
	} 
	cout << "0" << endl ;
	return 0 ;
}