백준 10987 c++

#include <iostream>

using namespace std;

int main(void)
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	string str;
	int count = 0;
	
	cin >> str;
	for (int i = 0; i < str.length(); i++)
	{
		if (str[i] == 'a' || str[i] == 'e' || str[i] == 'i' || str[i] == 'o' || str[i] == 'u')
		{
			count++;
		}
	}
	cout << count << "\n";

	return 0;
}