def main():
    n, m = map(int, input().split())
    matrix = [[-1] * m for _ in range(n)]
    nums = [i for i in range(1, n * m + 1)]
    dx = [0, 1, 0, -1]
    dy = [1, 0, -1, 0]
    x = y = di = 0
    for i in range(n * m):
        matrix[x][y] = nums[i]
        x_next, y_next = x + dx[di], y + dy[di]
        if 0 <= x_next < n and 0 <= y_next < m and matrix[x_next][y_next] == -1:
            x, y = x_next, y_next
        else:
            di = (di + 1) % 4
            x, y = x + dx[di], y + dy[di]

    for row in matrix:
        for i in row:
            print(i, end = ' ')
        print()

main()