#include<iostream>
#include<fstream>
using namespace std;

int main()
{
	char s[201], v[]="aeiouAEIOU";
	int k=0;
	ifstream fin("sir.in");
	while(fin>>s)
		if(strchr(v,s[0]) && strchr(v,s[strlen(s)-1])) k++;
	if(k) cout<<k;
	else cout<<"nu exista";
	return 0;
}