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//#include "/Users/dimazhylko/CPPProjects/bits/stdc++.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;

char sp[] = {'a', 'e', 'i', 'o', 'u', 'y'};
stack<int> st;

bool find(char s){
	for(int i = 0;i<6;i++){
		if(s==sp[i])return true;
	}
	return false;
}

int main(){
	ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
	string s;
	cin>>s;

	for(int i = 0;i<s.length()-2;i++){
		if( (find(s[i]) && find(s[i+1]) && find(s[i+2])) || (!find(s[i]) && !find(s[i+1]) && !find(s[i+2])) ){
			st.push(i+2);
		}
	}

	ll res = st.size();

	for(ll i = s.length()-1ll;i>=2ll && !st.empty();i--){
		if(i<st.top())st.pop();
		if(st.empty())break;
		if(st.top()==i){
			res+=i-2ll;
			continue;
		}
		res+= i-(i-st.top()-1) - 2;
	}

	cout<<res<<endl;
	return 0;
}