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#include <cstdio>
#include <cstdint>
#include <vector>

int main () {
	std::vector<char> digits;
	char c;
	while (1) {
		scanf("%c", &c);
		if (c < '0' || c > '9') {
			break;
		}
		digits.insert(digits.begin(), c);
	}
	std::vector<uint64_t> sums;
	sums.push_back(1);
	for(int i = 0; i < digits.size(); ++i) {
		uint64_t next = (uint64_t)(1 + digits[i] - '0') * sums[sums.size() - 1];
		if (digits[i] == '1' && i > 0) {
			next += sums[sums.size() - 2] * (uint64_t)('9' - digits[i - 1]);
		}
		sums.push_back(next);
	}
	printf("%lld\n", sums[sums.size() - 1]);
	return 0;
}