#include <bits/stdc++.h>
using namespace std;
int n, m;
int main() {
	cin >> n >> m;
	if (n == 1 || m == 1 || (n % 2 && m % 2)) {
		if ((n == 1 && m == 2) || (n == 1 && m == 2)) {
			cout << "0\n1 1\n" << n << " " << m << "\n1 1\n";
			return 0;
		}
		cout << "1\n" << n << " " << m << " 1 1\n";
		if (n == 1) for (int i = 1; i <= m; i++) cout << n << " " << i << "\n";
		else if (m == 1) for (int i = 1; i <= n; i++) cout << i << " " << m << "\n";
		else {
			for (int i = 1; i <= n; i++) {
				for (int j = 1; j <= m; j++) {
					if (i % 2) cout << i << " " << j << "\n";
					else cout << i << " " << m - j + 1 << "\n";
				}
			}
		}
		cout << "1 1\n";
	} else {
		cout << "0\n";
		if (m % 2 == 0) {
			for (int i = 1; i <= m; i++) cout << 1 << " " << i << "\n";
			for (int i = m; i >= 1; i--) for (int j = 2; j <= n; j++) {
				if (i % 2 == m % 2) cout << j << " " << i << "\n";
				else cout << n - j + 2 << " " << i << "\n";
			}
			cout << "1 1\n";
		} else if (n % 2 == 0) {
			for (int i = 1; i <= n; i++) cout << i << " " << 1 << "\n";
			for (int i = n; i >= 1; i--) for (int j = 2; j <= m; j++) {
				if (i % 2 == n % 2) cout << i << " " << j << "\n";
				else cout << i << " " << m - j + 2 << "\n";
			}
			cout << "1 1\n";
		}
	}
}