h, w = map(int, input().split())

if h == 1 and w == 1:
    print(0)
    print(0)
    exit()
if h == 1:
    ANS = [0 for _ in range(w)]
    print(0)
    print(*ANS)
    exit()
if w == 1:
    print(0)
    for i in range(h):
        print(0)
    exit()

ans = 0
ANS = [[1 for _ in range(w)] for _ in range(h)]
if h % 2 == 0 and w % 2 == 0:
    ans += h * w
elif h % 2 == 1 and w % 2 == 0:
    ans += w * (h - 1)
    for i in range(w):
        ANS[-1][i] = 0
elif h % 2 == 0 and w % 2 == 1:
    ans += (w - 1) * h
    for i in range(h):
        ANS[i][-1] = 0
else:
    if h <= w:
        ans += (h - 1) * w
        for i in range(h):
            ANS[h - i - 1][i] = 0
        for i in range(h, w):
            ANS[0][i] = 0
    else:
        ans += h * (w - 1)
        for i in range(w):
            ANS[w - i - 1][i] = 0
        for i in range(w, h):
            ANS[i][0] = 0
print(ans)
for ele in ANS:
    print(*ele)