#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,c=0;
	string s;
	cin>>n;
	for (i=1;i<=n;i++) {
		cin>>s;
		if (s[0]>='H' && s[0]<='Q') {
			c++;	
		} 
		if (s[0]>='U' && s[0]<='Z') {
			c++;
		}
	}
	cout<<c<<endl;

	return 0;
}

/**************************************************************
	Problem: 1181
	User: admin
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/