#include <iostream>
#include <map>
#include <string>

using namespace std;

int main(){
	map<string, bool> m;
	string in, x(8,'x');
	int i, j;
	cin >> in;
	in = in.substr(2, 9);
	for (j = 0; j <= 7; j++){
		for (i = 0; i <= 9; i++){
			x = in.substr(0, j);
			x += i + '0';
			x += in.substr(j, 7 - j);
			m[x] = true;
		}
	}
	cout << m.size();
	return 0;
}