#include <bits/stdc++.h>
#include <atcoder/all>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <boost/multiprecision/cpp_int.hpp>
namespace mp = boost::multiprecision;
using Bint = mp::cpp_int;
using namespace std;
using namespace atcoder;
#define rep(i, n) for(int i=0;i<(n);++i)
#define rep1(i, n) for(int i=1;i<=(n);i++)
#define ll long long
using mint = modint998244353;
using P = pair<ll,ll>;
using lb = long double;
using T = tuple<ll, ll, ll>;
#ifdef LOCAL
#  include <debug_print.hpp>
#  define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#  define dbg(...) (static_cast<void>(0))
#endif

int main()
{
    int x, y;
    cin >> x >> y;
    int n = x*y;
    int m = n;
    vector<vector<int>> g(n);
    rep(i,x) {
        g[i*y].push_back((i+1)*y%n);
        rep(j,y-1) g[i*y+j].push_back(i*y+j+1);
    }
    cout << n << " " << m << endl;
    rep(i,n) for(int v : g[i]) {
        cout << i+1 << " " << v+1 << endl;
    }
    return 0;
}