#include
#include
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;
}