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

int isPalindrome(const char* str)
{
    int i = 0;
    int j = strlen(str) - 1;

    while (i < j)
    {
        if (str[i] != str[j])
        {
            return 0; // Not a palindrome
        }

        i++;
        j--;
    }

    return 1; // Palindrome
}

int main()
{
    char str[100];

    printf("Enter a string: ");
    fgets(str, sizeof(str), stdin);

    // Remove newline character from fgets input
    str[strcspn(str, "\n")] = '\0';

    if (isPalindrome(str))
    {
        printf("The string is a palindrome.\n");
    }
    else
    {
        printf("The string is not a palindrome.\n");
    }

    return 0;
}