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

l = l%2019
r = r%2019

if l == 0 or r == 0 :
    print(0)
    exit()

if l > r:
    r += 2019

# print(l, r)

list_score = []
for i in range(l+1, r+1):
    for j in range(l, j):
        # print(i, j)
        list_score.append(i*j%2019)
# print(list_score)
print(int(min(list_score)))

Fixed submission:
l, r = map(int, input().split())

if r-l>=2019 :
    print(0)
    exit()

l = l%2019
r = r%2019

if l == 0 or r == 0 :
    print(0)
    exit()

if l > r:
    r += 2019

# print(l, r)

list_score = []
for i in range(l+1, r+1):
    for j in range(l, i):
        # print(i, j)
        list_score.append(i*j%2019)
# print(list_score)
print(int(min(list_score)))

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

l = l%2019
r = r%2019

list_score = []
for i in range(l+1, r+1):
    for j in range(i, r+1):
        list_score.append(i*j%2019)

print(int(min(list_score)))

Fixed submission:
l, r = map(int, input().split())

if r-l>=2019 :
    print(0)
    exit()

l = l%2019
r = r%2019

if l == 0 or r == 0 :
    print(0)
    exit()

if l > r:
    r += 2019

# print(l, r)

list_score = []
for i in range(l+1, r+1):
    for j in range(l, i):
        # print(i, j)
        list_score.append(i*j%2019)
# print(list_score)
print(int(min(list_score)))

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

l = l%2019
r = r%2019

list_score = []
for i in range(l+1, r+1):
    for j in range(l+1, r+1):
        list_score.append(i*j%2019)
        print(i*j%2019)

print(int(min(list_score)))


Fixed submission:
l, r = map(int, input().split())

if r-l>=2019 :
    print(0)
    exit()

l = l%2019
r = r%2019

if l == 0 or r == 0 :
    print(0)
    exit()

if l > r:
    r += 2019

# print(l, r)

list_score = []
for i in range(l+1, r+1):
    for j in range(l, i):
        # print(i, j)
        list_score.append(i*j%2019)
# print(list_score)
print(int(min(list_score)))

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

l = l%2019
r = r%2019

list_score = []
for i in range(l, r+1):
    for j in range(i+1, r+1):
        list_score.append(i*j%2019)

print(int(min(list_score)))

Fixed submission:
l, r = map(int, input().split())

if r-l>=2019 :
    print(0)
    exit()

l = l%2019
r = r%2019

if l == 0 or r == 0 :
    print(0)
    exit()

if l > r:
    r += 2019

# print(l, r)

list_score = []
for i in range(l+1, r+1):
    for j in range(l, i):
        # print(i, j)
        list_score.append(i*j%2019)
# print(list_score)
print(int(min(list_score)))

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

l = l%2019
r = r%2019

list_score = []
for i in range(l, r+1):
    for j in range(i+1, r+1):
        list_score.append(i*j%2019)

print(min(list_score))

Fixed submission:
l, r = map(int, input().split())

if r-l>=2019 :
    print(0)
    exit()

l = l%2019
r = r%2019

if l == 0 or r == 0 :
    print(0)
    exit()

if l > r:
    r += 2019

# print(l, r)

list_score = []
for i in range(l+1, r+1):
    for j in range(l, i):
        # print(i, j)
        list_score.append(i*j%2019)
# print(list_score)
print(int(min(list_score)))