#include <iostream>
#include <vector>

using namespace std;

int main() {
    int m, n; cin >> m >> n;
    vector<vector<int>> nums(m, vector<int>(n, 0));
    int dx[] = {0,1,0,-1};
    int dy[] = {1,0,-1,0};
    for (int k = 1, x = 0, y = 0, d = 0; k <= n*m; k++) {
        nums[x][y] = k;
        int nx = x + dx[d]; int ny = y + dy[d];
        if (nx >= m || ny >= n || nx < 0 || ny < 0 || nums[nx][ny]) {
            d = (d + 1) % 4;
            nx = x + dx[d];
            ny = y + dy[d];
        }
        x = nx;
        y = ny;
    }
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++) {
            cout << nums[i][j] << " ";
        }
        cout << endl;
    }
    return 0;
}