#include <stdio.h>
int main() {
    int n;
    scanf("%d", &n);
    if(n <= 0) {
        printf("Invalid Input");
        return 0;
    }
    char str[n + 1];
    for (int i=0; i<n; i++){
        scanf(" %c", &str[i]);
    }
    str[n] = '\0';
    char *start = str;
    char *end = str + n - 1;
    int ispalindrome = 1;
    while (start < end) {
        if (*start != *end){
            ispalindrome = 0;
            break;
        }
        start++;
        end--;
    }
    printf("%d", isPalindrome);
    return 0;
}