Buggy python submission (verdict: Runtime Error):
h, w = map(int, input().split())

if h%3 == 0 or w%3 == 0:
    ans = 0
else:
    s = []
    high = max(h, w)
    low = min(h, w)
    s.append(round(high/3)*low)
    high2 = max(high-round(high/3), low)
    low2 = min(high-round(high/3), low)
    s.append(round(high2/2)*low2)
    s.append((high2-round(high2/2))*low2)
    ans = max(s) - min(s)
print (ans)
print (s)

Fixed submission:
h, w = map(int, input().split())


def area(s):
    ans = max(s) - min(s)
    return ans


if h % 3 == 0 or w % 3 == 0:
    ans = 0
else:
    temp = []
    s1 = [round(w / 3) * h, (w - round(w / 3)) * round(h / 2), round(w - w / 3) * (h - round(h / 2))]
    s2 = [round(h / 3) * w, (h - round(h / 3)) * round(w / 2), round(h - h / 3) * (w - round(w / 2))]
    temp.append(area(s1))
    temp.append(area(s2))
    if w > 2:
        s3 = [round(w / 3) * h, (w - round(w / 3) * 2) * h]
        temp.append(area(s3))
    if h > 2:
        s4 = [round(h / 3) * w, (h - round(h / 3) * 2) * w]
        temp.append(area(s4))
    ans = min(temp)
print(ans)

Buggy python submission (verdict: Runtime Error):
import math
h, w = map(int, input().split())
low = min(h, w)
high = max(h, w)

if h%3 == 0 or w%3 == 0:
    print (0)
elif (high/3) > low:
    print ((high % 3)*low
else:
    a = math.ceil(high/3)*low
    b = (high-math.ceil(high/3))*int(low/2)
    c = abs(a-b)

    a = round(high/3)*low
    b = (high-round(high/3))*int(low/2)
    d = abs(a-b)

    print (min(c, d))

Fixed submission:
h, w = map(int, input().split())


def area(s):
    ans = max(s) - min(s)
    return ans


if h % 3 == 0 or w % 3 == 0:
    ans = 0
else:
    temp = []
    s1 = [round(w / 3) * h, (w - round(w / 3)) * round(h / 2), round(w - w / 3) * (h - round(h / 2))]
    s2 = [round(h / 3) * w, (h - round(h / 3)) * round(w / 2), round(h - h / 3) * (w - round(w / 2))]
    temp.append(area(s1))
    temp.append(area(s2))
    if w > 2:
        s3 = [round(w / 3) * h, (w - round(w / 3) * 2) * h]
        temp.append(area(s3))
    if h > 2:
        s4 = [round(h / 3) * w, (h - round(h / 3) * 2) * w]
        temp.append(area(s4))
    ans = min(temp)
print(ans)

Buggy python submission (verdict: Runtime Error):
import math
h, w = map(int, input().split())
low = min(h, w)
high = max(h, w)

if h%3 == 0 or w%3 == 0:
    print (0)
elif (high/3) > low:
    print ((high % 3)*low
else:
    a = math.ceil(high/3)*low
    b = (high-math.ceil(high/3))*int(low/2)
    c = abs(a-b)

    a = round(high/3)*low
    b = (high-round(high/3))*int(low/2)
    d = abs(a-b)

    print (min(c, d))

Fixed submission:
h, w = map(int, input().split())


def area(s):
    ans = max(s) - min(s)
    return ans


if h % 3 == 0 or w % 3 == 0:
    ans = 0
else:
    temp = []
    s1 = [round(w / 3) * h, (w - round(w / 3)) * round(h / 2), round(w - w / 3) * (h - round(h / 2))]
    s2 = [round(h / 3) * w, (h - round(h / 3)) * round(w / 2), round(h - h / 3) * (w - round(w / 2))]
    temp.append(area(s1))
    temp.append(area(s2))
    if w > 2:
        s3 = [round(w / 3) * h, (w - round(w / 3) * 2) * h]
        temp.append(area(s3))
    if h > 2:
        s4 = [round(h / 3) * w, (h - round(h / 3) * 2) * w]
        temp.append(area(s4))
    ans = min(temp)
print(ans)