#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int E[123];
    for(int i = 0; i < 123; ++i)
        E[i] = 0;
    E[97] = 1; E[101] = 1; E[105] = 1; E[111] = 1; E[117] = 1; E[121] = 1;

    string s;
    cin >> s;

    long long res = 0;
    for(int i = 0, j = 1; i < s.size() - 2; ++i, ++j) {
        if(E[s[i]] == E[s[i + 1]] && E[s[i + 1]] == E[s[i + 2]]) {
            res += j * (s.size() - i - 2);
            j = 0;
        }
    }

    cout << res;

    return 0;
}