Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 1000:
        print(1)
        
    for i in np.arange(L, R+1):
        for j in np.arange(i+1, R+1):
            i = i % 2019
            j = j % 2019
            k = i * j % 2019
            ans = np.amin(np.array([k, ans]))
            
    print(ans)    

Fixed submission:
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 500:
        print(0)
        
    else:
        for i in np.arange(L, R+1):
            for j in np.arange(i+1, R+1):
                i = i % 2019
                j = j % 2019
                k = i * j % 2019
                ans = np.amin(np.array([k, ans]))
            
        print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

L,R = map(int, input().split())

ans = 2018

if  R-L > 2018:
    print(0)
    
else:
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    for i in np.arange(L, R+1):
        for j in np.arange(i+1, R+1):
            i = i % 2019
            j = j % 2019
            k = i * j % 2019
            ans = np.amin(np.array([k, ans]))
    print(ans)    

Fixed submission:
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 500:
        print(0)
        
    else:
        for i in np.arange(L, R+1):
            for j in np.arange(i+1, R+1):
                i = i % 2019
                j = j % 2019
                k = i * j % 2019
                ans = np.amin(np.array([k, ans]))
            
        print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

L,R = map(int, input().split())

if  R-L > 2019:
    print(0)
    
else:
    ans = 2018
    for i in np.arange(L, R+1):
        for j in np.arange(i+1, R+1):
            i = i % 2019
            j = j % 2019
            ans = np.amin(np.array([i * j % 2019, ans]))
    print(ans)    

Fixed submission:
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 500:
        print(0)
        
    else:
        for i in np.arange(L, R+1):
            for j in np.arange(i+1, R+1):
                i = i % 2019
                j = j % 2019
                k = i * j % 2019
                ans = np.amin(np.array([k, ans]))
            
        print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

L,R = map(int, input().split())

if  R-L > 2019:
    print(0)
    
else:
    ans = 2019
    for i in np.arange(L, R+1):
        for j in np.arange(i+1, R+1):
            ans = np.amin(np.array([i * j % 2019, ans]))
    print(ans)  

Fixed submission:
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 500:
        print(0)
        
    else:
        for i in np.arange(L, R+1):
            for j in np.arange(i+1, R+1):
                i = i % 2019
                j = j % 2019
                k = i * j % 2019
                ans = np.amin(np.array([k, ans]))
            
        print(ans)

Buggy python submission (verdict: Runtime Error):
import numpy as np

L,R = map(int, input().split())

A = np.arange(L, R+1)

if  R-L > 2018:
    print(0)
    
elif np.count_nonzero(A % 2019 == 0) > 0:
    print(0)
    
else:
    ans = 2019
    for i in np.arange(L, R+1):
        for j in np.arange(i+1, R+1):
            ans = np.amin(np.array([i * j % 2019, ans]))
    print(ans)    

Fixed submission:
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 500:
        print(0)
        
    else:
        for i in np.arange(L, R+1):
            for j in np.arange(i+1, R+1):
                i = i % 2019
                j = j % 2019
                k = i * j % 2019
                ans = np.amin(np.array([k, ans]))
            
        print(ans)

Buggy python submission (verdict: Runtime Error):
import numpy as np

L,R = map(int, input().split())

A = np.arange(L, R+1)

if  R-L > 2019:
    print(0)
    
elif np.count_nonzero(A == 2019) == 1:
    print(0)
    
else:
    ans = 2019
    for i in np.arange(L, R+1):
        for j in np.arange(i+1, R+1):
            ans = np.amin(np.array([i * j % 2019, ans]))
    print(ans)    

Fixed submission:
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 500:
        print(0)
        
    else:
        for i in np.arange(L, R+1):
            for j in np.arange(i+1, R+1):
                i = i % 2019
                j = j % 2019
                k = i * j % 2019
                ans = np.amin(np.array([k, ans]))
            
        print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

L,R = map(int, input().split())

if  R-L > 2019:
    print(0)
    
else:
    ans = 2019
    for i in np.arange(L, R+1):
        for j in np.arange(i+1, R+1):
            ans = np.amin(np.array([i * j % 2019, ans]))
    print(ans)    

Fixed submission:
import numpy as np

L,R = map(int, input().split())

if  R-L > 2018:
    print(0)
    
else:
    ans = 2018
    
    R = R % 2019
    L = L % 2019

    if L > R:
        R += 2019
        
    if R - L > 500:
        print(0)
        
    else:
        for i in np.arange(L, R+1):
            for j in np.arange(i+1, R+1):
                i = i % 2019
                j = j % 2019
                k = i * j % 2019
                ans = np.amin(np.array([k, ans]))
            
        print(ans)