#include<bits/stdc++.h>
using namespace std;
int n, m;
int cnt=1;
int a[505][505];
signed main()
{
    cin >> n >> m;
    int x = 1, y = 0;
    while (cnt <= n*m)
    {
        for (int i = 0; cnt<=n*m&&i < m; i++)
        {
            if (!a[x][y + 1])
                a[x][++y] = cnt++;
        }
        for (int i = 0; cnt <= n * m&&i < n-1; i++)
        {
            if (!a[x+1][y])
                a[++x][y] = cnt++;
        }
        for (int i = 0; cnt <= n * m&&i < m-1; i++)
        {
            if (!a[x][y-1])
                a[x][--y] = cnt++;
        }
        for (int i = 0; cnt <= n * m&&i < n-2; i++)
        {
            if (!a[x - 1][y])
                a[--x][y] = cnt++;
        }
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
            cout << a[i][j] << ' ';
        cout << endl;
    }
}