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

int main() {
    string s;
    getline(cin, s);
    
    int count = 0;
    
    for (char c : s) {
        c = tolower(c);
        if (c=='a' ||c=='e'||c=='i'||c=='o'||c=='u')
        cout << count;
    return 0;
}