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

int isPalindrome(const char *str, int start, int end) {
    while (start < end) {
        if (str[start] != str[end]) {
            return 0; // Not a palindrome
        }
        start++;
        end--;
    }
    return 1; // Palindrome
}

int main() {
    char str[100] = "hi nen hih";
    int len = strlen(str);
    
    int wordStart = 0; // Start index of the current word

    for (int i = 0; i <= len; i++) {
        if (str[i] == ' ' || str[i] == '\0') {
            int wordEnd = i - 1; // End index of the current word
            int wordLen = wordEnd - wordStart + 1;

            if (isPalindrome(str, wordStart, wordEnd) && wordLen > 1) {
                for (int j = wordStart; j <= wordEnd; j++) {
                    printf("%c", str[j]);
                }
                printf("\n");
            }

            wordStart = i + 1; // Move to the start of the next word
        }
    }

    return 0;
}