#include <stdio.h>
#include <string.h>

#define MAX_LENGTH 20
#define BOOLEAN int
#define TRUE 1
#define FALSE 0

BOOLEAN isPalindrome(char*);

int main() {
	char input[MAX_LENGTH];
	printf("Enter a word: ");
	scanf("%s", &input);

	if (isPalindrome(input)) {
		printf("%s is a palindrome\n", input);
	}
	else {
		printf("%s is NOT a palindrome\n", input);
	}

	return 0;
}

int isPalindrome(char* word) {
	int len = strlen(word);
	
	int i;
	for (i = 0; i < len/2; i++) {
		if (word[i] != word[len-i-1]) {
			return FALSE;
		}
	}
	return TRUE;
}