// #include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr ll inf = (1LL << 61);
ll dx[4] = {0, 1, 0, -1};
ll dy[4] = {-1, 0, 1, 0};
#define rep(i, n) for (ll i = 0; i < (ll)(n); ++i)
#define REP(i, init, n) for (ll i = (ll)init; i < (ll)(n); ++i)
// ll op(ll a, ll b) { return max(a, b); }
// ll e() { return -inf; }

int main() {
  ll x, y;
  cin >> x >> y;
  ll N = x * y;
  cout << N << " " << N << endl;
  ll c = 1;
  rep(i, x) {
    rep(j, y - 1) {
      cout << c << " " << c + 1 << endl;
      ++c;
    }
    ++c;
  }
  rep(i, x) { cout << y * i + 1 << " " << (y * i + y + 1) % (x * y) << endl; }
}