#include <iostream>
#include <cstdint>
#include <vector>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	
	uint16_t X, Y;
	cin >> X >> Y;

	const uint32_t size = static_cast<uint32_t>(X) * Y;
	uint16_t i, j;
	cout << size << ' ' << size << '\n';
	cout << "1 " << Y * static_cast<uint32_t>(X - 1) + 1 << '\n';
	for (j = Y - 1; j != 0; --j)
		cout << j << ' ' << j + 1 << '\n';

	for (i = X - 1; i != 0; --i)
	{
		cout << Y * static_cast<uint32_t>(i - 1) + 1 << ' ' << Y * static_cast<uint32_t>(i) + 1 << '\n';
		for (j = Y - 1; j != 0; --j)
			cout << Y * static_cast<uint32_t>(i) + j << ' ' << Y * static_cast<uint32_t>(i) + j + 1 << '\n';
	}

	return 0;
}