#include <bits/stdc++.h>
using namespace std;
#ifdef TEMPURA
#else
#define debug(...) ((void)0)
#define msg(...) ((void)0)
#endif
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define REP(i, m, n) for(int i = (int)(m); i < (int)(n); i++)

using ll = long long;
using ull = unsigned long long;
using i128 = __int128_t;

template <class T>
inline bool chmin(T &a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
}

template <class T>
inline bool chmax(T &a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
}
// #include <atcoder/modint>
// using mint = atcoder::modint998244353;

vector<int> create_permutation(int n) {
    assert(n % 2 == 0);
    int b = 0;
    while((1 << (b + 1)) <= n) {
        b += 1;
    }
    vector<int> ret;
    int cur = 0;
    rep(i, (1 << b)) {
        ret.push_back(cur);
        if(i % 2 == 0) {
            if((cur ^ (1 << b)) < n) {
                ret.push_back(cur ^ (1 << b));
                ret.push_back(cur ^ (1 << b) ^ 1);
            }
        }
        int c = countr_zero(unsigned(i + 1));
        cur ^= 1 << c;
    }
    debug(ret);
    return ret;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int h, w;
    cin >> h >> w;
    if(h % 2 == 1 || w % 2 == 1) {
        cout << -1 << endl;
        return 0;
    }
    auto vh = create_permutation(h), vw = create_permutation(w);
    int bh = 32 - countl_zero(unsigned(h - 1)), bw = 32 - countl_zero(unsigned(w - 1));
    debug(bh, bw);
    int ma1 = ((h - 1) << bw) + w - 1, ma2 = ((w - 1) << bh) + h - 1;
    if(ma1 < ma2) {
        rep(i, h) {
            rep(j, w) cout << ((vh[i] << bw) + vw[j]) << " \n"[j + 1 == w];
        }
    } else {
        rep(i, h) {
            rep(j, w) cout << (vh[i] + (vw[j] << bh)) << " \n"[j + 1 == w];
        }
    }
    return 0;
}