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

bool retr(char *arr) {
    bool ans = true;
    int i = 0, j = strlen(arr) - 2;
    //printf("%d", j);
    while (i < j) {
        //printf("{%c, %c}", arr[i], arr[j]);
        if (arr[i] != arr[j]) {
            ans = false;
            break;
        }
        i++; j--;
    }
    return ans;
}

typedef void (*func) (int a, int b);
int cmp(const void* a, const void* b){
    return *(int*)a - *(int*)b;
}

typedef enum Gender{
    Male = 0,
    Female = 1
} Gender;

typedef struct {
    char name[20];
    int age;
    Gender gender;
} Teacher;

int main() {
    char arr[1000];
    int as[] = {0, 5, 6, 4, 2};
    fgets(arr, 1000, stdin);
    printf(retr(arr) ? "Is Palindrome\n" : "Isn't Palindrome\n");
    qsort(as, 5, sizeof(int), &cmp);
    return 0;
}

// ok so this could actually be working