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#include <iostream>
#include <string>
using namespace std;

int main() {
	string input;

	cin >> input;

	unsigned int length = input.length();
	unsigned long counter = 0;

	string i[9389];
	string d = "aeiou";
	unsigned int e = 0;

	// samogłoski
	for(int f = 0; f<5; f++)
	{
		for(int g = 0; g<5; g++)
		{
			for(int h = 0; h<5; h++)
			{
				i[e] = {d[f], d[g], d[h]};
				e++;
			}
		}
	}
	// spółgłoski
	string k = "bcdfghjklmnpqrstvwxyz";
	for(int f = 0; f<21; f++)
	{
		for(int g = 0; g<21; g++)
		{
			for(int h = 0; h<21; h++)
			{
				i[e] = {k[f], k[g], k[h]};
				e++;
			}
		}
	}

	for(unsigned int j = 0; j < 9386; j++)
	{
		size_t found = input.find(i[j]);
		while(found != string::npos)
		{
			counter += found + 1;
			for(unsigned int b = (found+3); b<length; b++)
			{
				counter += found + 1;
			}
			found = input.find(i[j], found+1);
		}
	}
	cout<<counter;
	return 0;
}