int main()
{
	int j;
	int i;
	string word, word_2;
	j = 0;
	word = "";
	word_2 = "";
	cout << "enter a word" << endl;
	cin >> word;

	while (!(word == "end" || word == "End" || word == "END" || word == "eND" || word == "enD" || word == "ENd"))
	{
		for (i = 0; i < word.size(); i++)
		{
			if (word[i] == 'a' || word[i] == 'e' || word[i] == 'i' || word[i] == 'o' || word[i] == 'u' || word[i] == 'A' || word[i] == 'E' || word[i] == 'I' || word[i] == 'O' || word[i] == 'U')
			{
				++j;
			}
		}

		for (i = 0; i < word.size(); i++)
		{
			if (word[i] == 'a' || word[i] == 'e' || word[i] == 'i' || word[i] == 'o' || word[i] == 'u' || word[i] == 'A' || word[i] == 'E' || word[i] == 'I' || word[i] == 'O' || word[i] == 'U')
			{
				word_2 = word_2 + word[i] + "_";

			}
			else
			{
				word_2 = word_2 + word[i];
			}
		}
		cout << endl << "the total number of vowels in " << word << " is " << j << endl << word_2 << endl << endl;
		j = 0;
		word = "";
		word_2 = "";
		cout << "enter a word" << endl;
		cin >> word;
	}
	return 0;
}