#include <iostream>
#include <vector>
using namespace std;
bool rec(int number) {
    if(number < 10) {
        return 1;
    }
    int last_digit = number % 10;
    int last_to_last_digit = (number / 10) % 10;
    if(last_digit < last_to_last_digit) {
        return rec(number / 10);
    }
    return 0;
}
int main()
{
    int number;
    cin >> number;
    cout << rec(number) << endl;
    return 0;
}