// Palindrome Tester
#include <string>
#include <iostream>
#include <cctype>
using namespace std;

string justLetters (string S) {
	string T;
	int N = S.size();
	for (int i = 0; i <= N; i++) {
		if (isalpha(S[i]))
			T.push_back(tolower(S[i]));
	}
	return T;
}

bool isPalindrome (string phrase) {
	string S = justLetters(phrase);
	int N = S.size();
	for (int X = 0; X <= N/2; X++) {
		if (S[X] != S[N-X-1]) {
			return false;
		}
	}
	return true;
}

int main () {
	if (isPalindrome ("wow")) cout << "'wow' is one\n";
	if (isPalindrome ("bow")) cout << "'bow' is one\n";
	string Adam = "Madam, I'm Adam.";
	string Napoleon = "Able was I ere I saw Elba.";
	string UTK = "University of Tennessee, Knoxville";
	cout << "Letters in '" << Adam << "' = '" << justLetters(Adam) << "'\n";
	if (isPalindrome(Adam))
		cout << "'" << Adam << "' is one\n";
	if (isPalindrome(Napoleon))
		cout << "'" << Napoleon << "' is one\n";
	if (!isPalindrome(UTK))
		cout << "'" << UTK << "' is not one\n";
	return 0;
}