def printpretty(x):
    for row in x:
        print(''.join(list(map(lambda z: ' ' * (4 - len(str(z))) + str(z), row))))
def down(arr, x, h, f):
    b = 0
    c = 0
    for i in range(h):
        if arr[i][x] == '.':
            arr[i][x] = i + f
            b = i
            c = i + f
    return [b, c]
def up(arr, x, h, f):
    b = 0
    c = 0
    for i in range(h - 1, -1, -1):
        if arr[i][x] == '.':
            arr[i][x] = f + h - i - 1
            b = i
            c = f + h - i - 1
    return [b, c]
def right(arr, x, w, f):
    b = 0
    c = 0
    for j in range(w):
        if arr[x][j] == '.':
            arr[x][j] = f + j
            b = j
            c = f + j
    return [b, c]
def left(arr, x, w, f):
    b = 0
    c = 0
    for j in range(w - 1, -1, -1):
        if arr[x][j] == '.':
            arr[x][j] = f + w - j - 1
            b = j
            c = f + w - j - 1
    return [b, c]
def countt(arr, f):
    s = True
    for i in arr:
        for j in i:
            if j == f:
                s = False
    return s









h, w = input().split()
h, w = int(h), int(w)
a = [['.' for j in range(w)] for i in range(h)]
#right(a, 0, w, 1)
#down(a, 4, h, 5)
#left(a, 3, w, 8)
#up(a, 0, h, 12)
#right(a, 1, w, 14)
#down(a, 3, h, 16)
#left(a, 2, w, 17)

i = 0
j = 0
num = 1


while countt(a, '.') == False:
    j, num = right(a, i, w, num - j)
    i, num = down(a, j, h, num - i)
    j, num = left(a, i, w, num - w + j + 1)
    i, num = up(a, j, h, num - h + i + 1)


printpretty(a)