#include <bits/stdc++.h>
using namespace std;
string a;
char b[55];
bool c[55];
bool d[55];
double sum;

char g[10] = {'A', 'E', 'I', 'O', 'U', 'a', 'e', 'i', 'o', 'u'};
int main() {
	getline(cin, a);
	strcpy(b, a.c_str());
	int k = a.length() - 1;
	for (int i = 0; i <= k; i++) {
		d[i] = 0;
		c[0] = 0;
	}
	for (int i = 0; i <= k; i++) {
		if (isalpha(b[i]) != 0) {
			c[i] = 1;
			sum++;
			for (int y = 0; y < 10; y++) {
				if (b[i] == g[y]) {
					d[i] = 1;
				}
			}
		} else {
			c[i] = 0;
		}
	}
	//第一种操作，全.
	for (int i = 0; i <= k; i++) {
		if (c[i] == 1) {
			cout << ".";
		} else
			cout << b[i];
	}
	cout << endl;
	//第二种操作，取三分之一（接近取整式）保留，其余.
	double f = sum / 3;
	int h = int(sum / 3);
	//cout << "f:" << f << endl;
	//cout << "h1:" << h << endl;
	if (f - h > 0.5) {
		h = int(sum / 3 ) + 1;
	}
	//cout << "h2:" << h << endl;
	//cout << "h:" << h << endl;
	int p = 0;
	int q = 0;
	while (p < h) {
		cout << b[q];
		if (c[q] == 1) {
			p++;
		}
		q++;
	}
	for (int i = q; i <= k; i++) {
		if (c[i] == 1) {
			cout << ".";
		} else
			cout << b[i];
	}
	cout << endl;
	//第三种操作，二基础上保留剩余三分之二部分中的元音，若无则直接保留三分之二
	int pan = 0;
	for (int i = h; i <= k; i++) {
		if (d[i] == 1) {
			pan = 1;
		}
	}
	if (pan == 1) {
		int p = 0;
		int q = 0;
		while (p < h) {
			cout << b[q];
			if (c[q] == 1) {
				p++;
			}
			q++;
		}
		for (int i = q; i <= k; i++) {
			if (c[i] == 1 && d[i] != 1) {
				cout << ".";
			} else
				cout << b[i];
		}
	} else {
		double f = sum / 3 * 2;
		int h = int(sum / 3 * 2);
		if (f - h > 0.5) {
			h = int(sum / 3 * 2 + 1);
		}
		int p = 0;
		int q = 0;
		while (p < h) {
			cout << b[q];
			if (c[q] == 1) {
				p++;
			}
			q++;
		}
		for (int i = q; i <= k; i++) {
			if (c[i] == 1) {
				cout << ".";
			} else
				cout << b[i];
		}

	}
}