#include <iostream>
#include <fstream>


using namespace std;


ifstream input_stream;
ofstream output_stream;


uint16_t generateNumber(uint16_t first, uint16_t second, uint16_t third, uint16_t fourth) {
	return first * 1000 + second * 100 + third * 10 + fourth;
}



int main() {
	input_stream.open("input.txt");
	output_stream.open("output.txt");

	uint16_t first, third;
	// File method:
	// input_stream >> first;
	// input_stream >> third;
	// Console method:
	cin >> first;
	cin >> third;

	uint16_t total = 0;

	for (uint16_t second = 0; second <= 9; second++) {
		for (uint16_t fourth = 0; fourth <= 9; fourth++) {
			uint16_t generatedNumber = generateNumber(first, second, third, fourth);
			if (generatedNumber % 9 == 0) {
				// File method:
				// output_stream << generatedNumber << endl;
				// Console method:
				cout << generatedNumber << endl;
				total++;
			}
		}
	}

	// File method:
	// output_stream << total << endl;
	// Console method:
	cout << total << endl;

	input_stream.close();
	output_stream.close();
	return 0;
}