// 2838. 元音字母.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;

int main()
{
	//string str;
	//int len;
	int i,j=0;
	char ch2[200];
	char ch3[200];

	while (1)
	{
		//fflush(stdin);
		//getchar();
		//gets(ch2);
		string str;
		cin.getline(ch2,200);
		//while ((gets(ch2)) != "\n" && ch2 != EOF);
		if (ch2 == "end")
			break;
		for (i = 0; i < 200; i++)
		{
			if (ch2[i] == 'a' || ch2[i] == 'e' || ch2[i] == 'i' || ch2[i] == 'o' || ch2[i] == 'u' ||
				ch2[i] == 'A' || ch2[i] == 'E' || ch2[i] == 'I' || ch2[i] == 'O' || ch2[i] == 'U')
			{
				ch3[j] = ch2[i];
				j++;
			}

		}
		for (i = 0; i < j; i++)
		{
			cout<<ch3[i];
		}
		//cout << endl;
		//cout << "111111"<<endl;
		//cin.clear(); //fflush(stdin);
		j = 0;
		//cin.clear();
		//cin.sync();
		//cin.ignore(numeric_limits<streamsize>::max(), '\n');
		
	}
	return 0;
}