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

def calc_mod(x, y):
    return x * y % 2019

left = L % 2019
right = (R-L) + left

if left==0 or right==0:
    print(0)
    sys.exit(0)

for i in range(left, right):
    for j in range(i+1, right+1):
        ans.append(calc_mod(i, j))

print(min(ans))

Fixed submission:
import sys
L, R = map(int, input().split())
ans = []

def calc_mod(x, y):
    return x * y % 2019

left = L % 2019
right = R % 2019

if R-L > 2019:
    print(0)
    sys.exit(0)

elif left > right:
    print(0)
    sys.exit(0)

elif left==0 or right==0:
    print(0)
    sys.exit(0)

for i in range(left, right):
    for j in range(i+1, right+1):
        ans.append(calc_mod(i, j))

print(min(ans))

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

def calc_mod(x, y):
    return (x % 2019) * (y % 2019) % 2019

for i in range(L, R):
    for j in range(i+1, R+1):
        x = calc_mod(i, j)
        ans.append(x)

print(min(ans))

Fixed submission:
import sys
L, R = map(int, input().split())
ans = []

def calc_mod(x, y):
    return x * y % 2019

left = L % 2019
right = R % 2019

if R-L > 2019:
    print(0)
    sys.exit(0)

elif left > right:
    print(0)
    sys.exit(0)

elif left==0 or right==0:
    print(0)
    sys.exit(0)

for i in range(left, right):
    for j in range(i+1, right+1):
        ans.append(calc_mod(i, j))

print(min(ans))

Buggy python submission (verdict: Runtime Error):
L, R = map(int, input().split())
ans = []

def calc_mod(x, y):
    return x * y % 2019

left = L % 2019
right = R % 2019

for i in range(left, right):
    for j in range(i+1, right+1):
        ans.append(calc_mod(i, j))

print(min(ans))

Fixed submission:
import sys
L, R = map(int, input().split())
ans = []

def calc_mod(x, y):
    return x * y % 2019

left = L % 2019
right = R % 2019

if R-L > 2019:
    print(0)
    sys.exit(0)

elif left > right:
    print(0)
    sys.exit(0)

elif left==0 or right==0:
    print(0)
    sys.exit(0)

for i in range(left, right):
    for j in range(i+1, right+1):
        ans.append(calc_mod(i, j))

print(min(ans))

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

def calc_mod(x, y):
    return (x%2019) * (y%2019) % 2019

for i in range(L, R):
    for j in range(i+1, R+1):
        ans.append(calc_mod(i, j))

print(min(ans))

Fixed submission:
import sys
L, R = map(int, input().split())
ans = []

def calc_mod(x, y):
    return x * y % 2019

left = L % 2019
right = R % 2019

if R-L > 2019:
    print(0)
    sys.exit(0)

elif left > right:
    print(0)
    sys.exit(0)

elif left==0 or right==0:
    print(0)
    sys.exit(0)

for i in range(left, right):
    for j in range(i+1, right+1):
        ans.append(calc_mod(i, j))

print(min(ans))

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

def calc_mod(x, y):
    return (x%2019) * (y%2019) % 2019

for i in range(L, R):
    for j in range(i+1, R+1):
        ans.append(calc_mod(i, j))

print(min(ans))

Fixed submission:
import sys
L, R = map(int, input().split())
ans = []

def calc_mod(x, y):
    return x * y % 2019

left = L % 2019
right = R % 2019

if R-L > 2019:
    print(0)
    sys.exit(0)

elif left > right:
    print(0)
    sys.exit(0)

elif left==0 or right==0:
    print(0)
    sys.exit(0)

for i in range(left, right):
    for j in range(i+1, right+1):
        ans.append(calc_mod(i, j))

print(min(ans))