Buggy python submission (verdict: Time Limit Exceeded):
L, R = map(int, input().split())
l = []
frag = False
if R - L >= 2019:
    l.append(0)
    frag = True
for i in range(L, R):
    if frag: break
    for j in range(i+1, R+1):
        l.append((i*j) % 2019)
        n = len(l)
        if n % 2 == 0:
            if l[:n//2] == l[n//2:]:
                frag = True
                break
print(min(l))

Fixed submission:
L, R = map(int, input().split())
if R - L >= 2018:
	print(0)
else:
	ans = 2019
	for i in range(L, R):
		for j in range(i + 1, R + 1):
			ans = min(ans, i * j % 2019)
	print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
L, R = map(int, input().split())
ans = 2019
if R - L >= 2018:
    ans = 0
for i in range(L, R):
    for j in range(i+1, R+1):
        ans = min(ans, (i*j)%2019)

print(ans)

Fixed submission:
L, R = map(int, input().split())
if R - L >= 2018:
	print(0)
else:
	ans = 2019
	for i in range(L, R):
		for j in range(i + 1, R + 1):
			ans = min(ans, i * j % 2019)
	print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
L, R = map(int, input().split())
ans = float("inf")
frag = False
if R - L >= 2018:
    ans = 0
for i in range(L, R):
    for j in range(i+1, R+1):
        ans = min(ans, (i*j)%2019)

print(ans)

Fixed submission:
L, R = map(int, input().split())
if R - L >= 2018:
	print(0)
else:
	ans = 2019
	for i in range(L, R):
		for j in range(i + 1, R + 1):
			ans = min(ans, i * j % 2019)
	print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
L, R = map(int, input().split())
l = []
frag = False
if R - L >= 2019:
    l.append(0)
    frag = True
for i in range(L, R):
    if frag: break
    for j in range(i+1, R+1):
        l.append((i*j) % 2019)
        n = len(l)
        if n % 2 == 0:
            if l[:n//2] == l[n//2:]:
                frag = True
                break
print(min(l))

Fixed submission:
L, R = map(int, input().split())
if R - L >= 2018:
	print(0)
else:
	ans = 2019
	for i in range(L, R):
		for j in range(i + 1, R + 1):
			ans = min(ans, i * j % 2019)
	print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
L, R = map(int, input().split())
l = []
frag = False
if R - L >= 2019:
    l.append(0)
    frag = True
for i in range(L, R):
    for j in range(i+1, R+1):
        l.append((i*j) % 2019)
        n = len(l)
        if n % 2 == 0:
            if l[:n//2] == l[n//2:]:
                frag = True
                break
    if frag: break

print(min(l))

Fixed submission:
L, R = map(int, input().split())
if R - L >= 2018:
	print(0)
else:
	ans = 2019
	for i in range(L, R):
		for j in range(i + 1, R + 1):
			ans = min(ans, i * j % 2019)
	print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
L, R = map(int, input().split())
l = []
frag = False
for i in range(L, R):
    for j in range(i+1, R+1):
        l.append((i*j) % 2019)
        n = len(l)
        if n % 2 == 0:
            if l[:n//2] == l[n//2:]:
                frag = True
                break
    if frag: break

print(min(l))

Fixed submission:
L, R = map(int, input().split())
if R - L >= 2018:
	print(0)
else:
	ans = 2019
	for i in range(L, R):
		for j in range(i + 1, R + 1):
			ans = min(ans, i * j % 2019)
	print(ans)