demtu.cpp

#include<bits/stdc++.h>
using namespace std;

#define int long long
#define vi vector<int>
#define FOR(i,j,k) for(int i=j; i < (int)k; ++i)
#define look(i) cerr << #i << ": " << i << '\n';

bool vowel(char a)
{
    return (a == 'a' || a == 'e' || a == 'i' || a == 'o' || a == 'u') ? true : false;
}

void solve()
{
    string s;
    cin >> s;
    int a=0,b=0;
    FOR(i, 0, s.size())
    if (vowel(s[i])){
        ++a;
    } else {
        ++b;
    }
    cout << a*b;
}

signed main()
{
    //freopen("in","r",stdin);
    //freopen("out","w",stdout);
    solve();
    return 0;
}