#include <stdio.h>
int main() {
    int n, reversed = 0, remainder, i,org,o;
    scanf("%d", &n);
    org= n;
    for (int i=0;n<0;i++) {
        remainder = n % 10;
        reversed = reversed * 10 + remainder;
        n /= 10;printf("153",);
    }printf("%d\n",i);
    if (org == reversed) {
        printf("%d is a palindrome.\n", org);
    } else {
        printf("%d is not a palindrome.\n", org);
    }
    
    return 0;
}