第一期训练题01

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#include "pch.h"
#include <iostream>
using namespace std;
int main()
{
	char a[100];
	cin >> a;
	for (int i = 0; i < 100 && a[i] != '\0'; i++)
		if (a[i] >= 65 && a[i] <= 90 && (a[i] != 65 || a[i] != 69 || a[i] != 73 || a[i] != 79 || a[i] != 85 || a[i] != 89))
			a[i] = a[i] + 32;
	for (int i = 0; i < 100 && a[i] != '\0'; i++)
		if (a[i] == 97 || a[i] == 101 || a[i] == 105 || a[i] == 111 || a[i] == 117 || a[i] == 121)
			;
		else if (a[i] >= 97 && a[i] <= 122)
			cout << "." << a[i];
		else
			cout << a[i];
	return 0;
}