Buggy python submission (verdict: Time Limit Exceeded):
L,R = map(int,input().split())
A = []

if 2019<=L-R:
  A+=[0]
else:
  for i in range(L,R+1):
    for j in range(L,i):
      A+=[((i%2019)*(j%2019))%2019]

print(min(A))

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))

Buggy python submission (verdict: Time Limit Exceeded):
L,R = map(int,input().split())
A = []

if 2019<=L-R:
  A+=[0]
else:
  for i in range(L,R+1):
    for j in range(L,i):
      A+=[(i*j)%2019]

print(min(A))

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))

Buggy python submission (verdict: Runtime Error):
a = list(map(int,input().split()))
b = []
d = [a[0]%2019, (a[1]+1)%2019]
e = sorted(d)

for i in range(d[0],d[1]):
  for j in range(d[0],i):
    c = (i*j)%2019
    b.append(c)
else:
  print(min(b))

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))

Buggy python submission (verdict: Runtime Error):
a = list(map(int,input().split()))
b = []

for i in range(a[0]%2019,(a[1]+1)%2019):
  for j in range(a[0]%2019,i):
    c = (i*j)%2019
    b.append(c)
else:
  print(min(b))

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))

Buggy python submission (verdict: Time Limit Exceeded):
a = list(map(int,input().split()))
b = []

for i in range(a[0],a[1]+1):
  for j in range(a[0],i):
    c = (i*j)%2019
    b.append(c)
else:
  print(min(b))

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))

Buggy python submission (verdict: Runtime Error):
a = list(map(int,input().split()))
b = []

for i in range((a[1]-a[0])%2019):
  for j in range(i):
    c = ((i+a[0])%2019)*((j+a[0])%2019)
    b.append(c)
else:
  print(min(b))

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))

Buggy python submission (verdict: Runtime Error):
a = list(map(int,input().split()))
b = []

for i in range(min(a[1]-a[0],2100)):
  for j in range(i):
    c = ((i+a[0])%2019)*((j+a[0])%2019)
    b.append(c)
else:
  print(min(b))

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))

Buggy python submission (verdict: Runtime Error):
a = list(map(int,input().split()))
b = []

for i in range(min(a[1]-a[0],2020)):
  for j in range(i):
    c = ((i+a[0])%2019)*((j+a[0])%2019)
    b.append(c)
else:
  print(min(b))
    

Fixed submission:
a = list(map(int,input().split()))
b = []

if a[1]-a[0]>=2019:
  print(0)
else:
  for i in range(a[0],a[1]+1):
    for j in range(a[0],i):
      c = (i*j)%2019
      b.append(c)
  else:
    print(min(b))