#include <bits/stdc++.h>

using namespace std;

//回文数
bool Palindrome(int n) {
    int m = n;
    int s = 0;
    while (m > 0) {
        s = s * 10 + m % 10;
        m /= 10;
    }
    return s == n;
}

int main() {
    int n;
    cin >> n;
    cout << Palindrome(n) << endl;
    return 0;
}