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#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define MP make_pair

using namespace std;

const int M = 2e5 + 2317;

ll before[M];

bool sam(char l){
    return l == 'a' || l == 'e' || l == 'i' ||l == 'o' || l == 'u' || l == 'y';
}

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

    string s;
    cin >> s;

    for(int i = 0; i < s.size() + 2; i++) before[i] = -1;

    if(s.size() < 3){
        cout << "0";
        return 0;
    }
    ll wyn = 0;
    for(int i = 0; i < s.size(); i++){
        if(i + 2 < s.size()){
            int ile = sam(s[i]) + sam(s[i + 1]) + sam(s[i + 2]);
            if(ile % 3 == 0) before[i + 2] = i;
        }
        if(i != 0) before[i] = max(before[i], before[i - 1]);
        wyn += before[i] + 1;
    }
    cout << wyn;
	return 0;
}