H, W = map(int, input().split())

if H == 1 and W == 1:
    print(1)
    print(1)
elif H == 1 or W == 1:
    ans = 2
    print(ans)
    if H == 1:
        row = [1 if j < 2 else 0 for j in range(W)]
        print(' '.join(map(str, row)))
    else:
        for i in range(H):
            row = [1 if i == 0 or i == H-1 else 0 for j in range(W)]
            print(' '.join(map(str, row)))
else:
    ans = 4
    print(ans)
    # Fill the top-left 2x2 with 1s, rest with 0
    for i in range(H):
        row = []
        for j in range(W):
            if i < 2 and j < 2:
                row.append(1)
            else:
                row.append(0)
        print(' '.join(map(str, row)))