/* Author : Bui Anh Quan, Ly Thuong Kiet secondary school */
#include <iostream>
using namespace std;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
string s;
cin >> s;
int x = 0,y = 0;
/* Hot chocolate is good uwu */
int n = s.size();
for(int i = 0 ;i < n; i++){
if (s[i] == 'u' || s[i] == 'e' || s[i] == 'o' || s[i] == 'a' || s[i] == 'i')
x++;
else
y++;
}
cout << x * y;
}
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