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