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#include <iostream>
using namespace std;
bool sam(char c)
{
    return (c=='a' || c=='e' || c=='i' || c=='o' || c=='u' || c=='y');
}
int tab[1000002];
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    string a;
    cin >> a;
    int n=a.size(), last=-1;
    long long wyn=0;
    for (int i=0; i<n; i++)
    {
        if (sam(a[i]))
            tab[i]=1;
        if (i>1 && (tab[i-2]+tab[i-1]+tab[i])%3==0)
            last=i-2;
        if (last==-1)
            continue;
        wyn+=last+1;
    }
    cout << wyn << "\n";
}