#include <iostream>
#include <cstring>
#include <fstream>
using namespace std;
ifstream fin("doarvocale.in");
ofstream fout("doarvocale.out");
int main()
{
    char s[50];
    int n,i,ok=0,nr=0,m;
    fin>>n;fin.get();
    for(i=0; i<n; i++)
    {
        fin>>s;
        m=strlen(s);
        int nv=0;
        for(int j=0;j<m;j++)
        {
            if(s[j]=='a'||s[j]=='e'||s[j]=='i'||s[j]=='o'||s[j]=='u') nv++;
        }

        if(nv==m) nr++;
    }
    fout<<nr;
    return 0;
}