Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
n, t = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n)]

ab.sort()

dp = [0] * t

ans = 0
for a, b in ab:
    for i in range(t - 1, -1, -1):
        if i + a <= t - 1:
            dp[i+a] = max(dp[i+a], dp[i] + b)
        else:
            ans = max(ans, dp[i] + b)

print(ans)


Fixed submission:
n, t = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n)]

ab.sort()

dp = [[0] * t for _ in range(n + 1)]

ans = 0
for i, (a, b) in enumerate(ab):
    for j in range(t):
        dp[i+1][j] = max(dp[i+1][j], dp[i][j])
        if j + a <= t - 1:
            dp[i+1][j+a] = max(dp[i+1][j+a], dp[i][j] + b)
        else:
            ans = max(ans, dp[i][j] + b)

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n, t = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n)]

ab.sort()

dp = [[0] * t for _ in range(n + 1)]

ans = 0
for i, (a, b) in enumerate(ab):
    for j in range(t):
        dp[i+1][j] = max(dp[i+1][j], dp[i][j])
        if j + a <= t - 1:
            dp[i+1][j+a] = max(dp[i+1][j+a], dp[i][j] + b)
        else:
            ans = max(ans, dp[i][j] + b)

print(ans)


Fixed submission:
n, t = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n)]

ab.sort()

dp = [[0] * t for _ in range(n + 1)]

ans = 0
for i, (a, b) in enumerate(ab):
    for j in range(t):
        dp[i+1][j] = max(dp[i+1][j], dp[i][j])
        if j + a <= t - 1:
            dp[i+1][j+a] = max(dp[i+1][j+a], dp[i][j] + b)
        else:
            ans = max(ans, dp[i][j] + b)

print(ans)
Buggy python submission (verdict: Runtime Error):
from math import atan, degrees


def main():
    a, b, x = map(int, input().split())

    full = a * a * b
    half = full * 0.5

    if x <= half:
        s = x / a
        ans = 90 - degrees(atan(2 * s / b ** 2))

    else:
        s = (full - x) / a
        ans = 90 - degrees(atan(a ** 2 / (2 * s)))

    print(ans)


if __name__ == "__main__":
    main()


Fixed submission:
from math import atan, degrees


def main():
    a, b, x = map(int, input().split())

    full = a * a * b
    half = full * 0.5

    if x <= half:
        s = x / a
        ans = 90 - degrees(atan(2 * s / b ** 2))

    else:
        s = (full - x) / a
        if s != 0:
            ans = 90 - degrees(atan(a ** 2 / (2 * s)))
        else:
            ans = 0

    print(ans)


if __name__ == "__main__":
    main()
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10 ** 7)


def main():
    n, k = map(int, input().split())
    a = list(map(int, input().split()))
    f = list(map(int, input().split()))

    a.sort()
    f.sort(reverse=True)

    l = -1
    r = 10 ** 13

    def test(x):
        cnt = 0
        for ae, fe in zip(a, f):
            cnt += max(0, ae - x // fe)

        return cnt <= k

    while l + 1 < r:
        m = (l + r) // 2
        if test(m):
            r = m
        else:
            l = m

    ans = r
    print(ans)


if __name__ == "__main__":
    main()


Fixed submission:
import sys
sys.setrecursionlimit(10 ** 7)


def main():
    n, k = map(int, input().split())
    a = list(map(int, input().split()))
    f = list(map(int, input().split()))

    a.sort()
    f.sort(reverse=True)

    l = -1
    r = 10 ** 13

    def test(x):
        cnt = 0
        for ae, fe in zip(a, f):
            cnt += max(0, ae - x // fe)

        return cnt <= k

    while l + 1 < r:
        m = (l + r) // 2
        if test(m):
            r = m
        else:
            l = m

    ans = r
    print(ans)


if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import heapq


def main():
    n, k = map(int, input().split())
    a = list(map(int, input().split()))
    f = list(map(int, input().split()))

    a.sort()
    f.sort(reverse=True)

    h = []
    for a_e, f_e in zip(a, f):
        heapq.heappush(h, [-a_e * f_e, a_e, f_e])

    for _ in range(k):
        if not h:
            break

        m_e, a_e, f_e = heapq.heappop(h)
        if a_e != 1:
            heapq.heappush(h, [-(a_e-1) * f_e, a_e - 1, f_e])

    if h:
        ans, _, _ = heapq.heappop(h)
        ans = -ans
    else:
        ans = 0

    print(ans)


if __name__ == "__main__":
    main()


Fixed submission:
import sys
sys.setrecursionlimit(10 ** 7)


def main():
    n, k = map(int, input().split())
    a = list(map(int, input().split()))
    f = list(map(int, input().split()))

    a.sort()
    f.sort(reverse=True)

    l = -1
    r = 10 ** 13

    def test(x):
        cnt = 0
        for ae, fe in zip(a, f):
            cnt += max(0, ae - x // fe)

        return cnt <= k

    while l + 1 < r:
        m = (l + r) // 2
        if test(m):
            r = m
        else:
            l = m

    ans = r
    print(ans)


if __name__ == "__main__":
    main()
Buggy python submission (verdict: Time Limit Exceeded):
from math import sqrt
from itertools import combinations


def is_prime(x):
    if x < 2:
        return False
    for i in range(2, int(sqrt(x)) + 1):
        if x % i == 0:
            return False

    return True


a, b = map(int, input().split())

a_li = [1]
b_li = [1]
div = 2

while a != 1 or b != 1:
    if is_prime(div):
        cnt = 0
        while a % div == 0:
            a //= div
            cnt += 1
        a_li.append(cnt)

        cnt = 0
        while b % div == 0:
            b //= div
            cnt += 1
        b_li.append(cnt)

    if div == 2:
        div += 1
    else:
        div += 2

ans = 0
for ae, be in zip(a_li, b_li):
    if ae and be:
        ans += 1

print(ans)


Fixed submission:
from math import sqrt


def is_prime(x):
    if x < 2:
        return False
    for i in range(2, int(sqrt(x)) + 1):
        if x % i == 0:
            return False

    return True


def f(x):
    st = set()
    for i in range(1, int(sqrt(x)) + 1):
        if x % i == 0:
            st.add(i)
            st.add(x // i)

    return st


a, b = map(int, input().split())

a_set = f(a)
b_set = f(b)

ans = 0
for e in a_set:
    if is_prime(e) or e == 1:
        if e in b_set:
            ans += 1

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
a = list(map(int, input().split()))

from math import floor

def bubble(x):
	for i in range(len(x)-1):
		if x[i] < x[i+1]:
			x[i], x[i+1] = x[i+1], x[i]
		else:
			break

	return x

a.sort(reverse=True)

for _ in range(m):
	a[0] /= 2
	a = bubble(a)

ans = 0
for ele in a:
	ans += floor(ele)

print(ans)

Fixed submission:
n, m = map(int, input().split())
a = list(map(int, input().split()))

from math import floor
import heapq

for i in range(n):
	a[i] = -a[i]

h = []
for ele in a:
	heapq.heappush(h, ele)

for _ in range(m):
	mx = heapq.heappop(h)
	mx /= 2
	heapq.heappush(h, mx)

ans = 0
for ele in h:
	ans += floor(-ele)

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

n = int(input())
s = np.array(list(input()))

l = s.size

dp = np.zeros(l, dtype=np.int16)
ans = 0
for i, e in enumerate(s, 1):
    dp_prev = dp[:]
    mx = np.arange(1, l + 1) - i
    idx = np.hstack([np.full(i, False), s[i:] == e])
    idx_prev = np.hstack([np.full(i-1, False), s[i:] == e, [False]])
    dp = np.zeros(l, dtype=np.int16)
    dp[idx] = np.minimum(dp_prev[idx_prev] + 1, mx[idx])
    ans = max(ans, dp.max())

print(ans)


Fixed submission:
n = int(input())
s = input()

l = len(s)

dp = [[0] * (l + 1) for _ in range(l + 1)]
dp[0][0] = 1

ans = 0
for i, ei in enumerate(s, 1):
    for j, ej in enumerate(s[i:], i+1):
        if ei == ej:
            dp[i][j] = min(dp[i-1][j-1] + 1, j - i)
            ans = max(ans, dp[i][j])

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = input()

l = len(s)

dp = [[0] * (l + 1) for _ in range(l + 1)]
dp[0][0] = 1

ans = 0
for i, ei in enumerate(s, 1):
    for j, ej in enumerate(s[i:], i+1):
        if ei == ej:
            dp[i][j] = min(dp[i-1][j-1] + 1, j - i)
            ans = max(ans, dp[i][j])

print(ans)


Fixed submission:
n = int(input())
s = input()

l = len(s)

dp = [[0] * (l + 1) for _ in range(l + 1)]
dp[0][0] = 1

ans = 0
for i, ei in enumerate(s, 1):
    for j, ej in enumerate(s[i:], i+1):
        if ei == ej:
            dp[i][j] = min(dp[i-1][j-1] + 1, j - i)
            ans = max(ans, dp[i][j])

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

ans = 0
for i in range(1, n):
    ans += i

print(ans)


Fixed submission:
n = int(input())

print(n * (n - 1) //2)
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))

div = 0
for i in range(n):
    div += a / a[i]
print(1 / div)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))

div = 0
for i in range(n):
    div += 1 / a[i]
print(1 / div)
Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

import sys

sys.setrecursionlimit(10 ** 7)

n, q = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n - 1)]
px = [list(map(int, input().split())) for _ in range(q)]

graph = [[] for _ in range(n + 1)]
for a, b in ab:
    graph[a].append(b)
    graph[b].append(a)

value = [0] * (n + 1)
for p, x in px:
    value[p] += x


def dfs(v, p, add):
    value[v] += add
    for x in graph[v]:
        if x == p:
            continue
        dfs(x, v, value[v])


dfs(1, 0, 0)

ans = value[1:]
print(*ans)


Fixed submission:
# -*- coding: utf-8 -*-

import sys

input = sys.stdin.readline
sys.setrecursionlimit(10 ** 7)

n, q = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n - 1)]
px = [list(map(int, input().split())) for _ in range(q)]

graph = [[] for _ in range(n + 1)]
for a, b in ab:
    graph[a].append(b)
    graph[b].append(a)

value = [0] * (n + 1)
for p, x in px:
    value[p] += x


def dfs(v, p, add):
    value[v] += add
    for x in graph[v]:
        if x == p:
            continue
        dfs(x, v, value[v])


dfs(1, 0, 0)

ans = value[1:]
print(*ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

n, q = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n - 1)]
px = [list(map(int, input().split())) for _ in range(q)]

graph = [[] for _ in range(n + 1)]
for a, b in ab:
    graph[a].append(b)
    graph[b].append(a)

value = [0] * (n + 1)
for p, x in px:
    value[p] += x


def dfs(v, p, add):
    value[v] += add
    for x in graph[v]:
        if x == p:
            continue
        dfs(x, v, value[v])


dfs(1, 0, 0)

ans = value[1:]
print(*ans)


Fixed submission:
# -*- coding: utf-8 -*-

import sys

input = sys.stdin.readline
sys.setrecursionlimit(10 ** 7)

n, q = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n - 1)]
px = [list(map(int, input().split())) for _ in range(q)]

graph = [[] for _ in range(n + 1)]
for a, b in ab:
    graph[a].append(b)
    graph[b].append(a)

value = [0] * (n + 1)
for p, x in px:
    value[p] += x


def dfs(v, p, add):
    value[v] += add
    for x in graph[v]:
        if x == p:
            continue
        dfs(x, v, value[v])


dfs(1, 0, 0)

ans = value[1:]
print(*ans)
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

n, m = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n)]

ab.sort(reverse=True)
ab.sort(key=lambda x: x[1], reverse=True)

days_left = [1] * (m + 2)
ans = 0
for a, b in ab:
    i = a
    while days_left[i] == 0:
        i += 1
    if i == m + 1:
        continue
    days_left[i] = 0
    ans += b

print(ans)


Fixed submission:
# -*- coding: utf-8 -*-

import heapq


class MaxHeap:
    def __init__(self, li):
        self.heap = [-e for e in li]
        heapq.heapify(self.heap)

    def push(self, val):
        heapq.heappush(self.heap, -val)

    def pop(self):
        return -heapq.heappop(self.heap)

    def __len__(self):
        return len(self.heap)


n, m = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n)]

ab.sort()

h = MaxHeap([])

i = 0
ans = 0
for day in range(1, m + 1):
    while i < n and ab[i][0] <= day:
        h.push(ab[i][1])
        i += 1
    if len(h) == 0:
        continue
    ans += h.pop()

print(ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

def my_sort(word):
    sorted_word_list = sorted(word)
    sorted_word = ""
    for letter in sorted_word_list:
        sorted_word += letter
    return sorted_word

n = int(input())
words = {}
for i in range(n):
    word = my_sort(input())
    if word in words.keys():
        words[word] += 1
    else:
        words[word] = 0

print(sum(words.values()))


Fixed submission:
# -*- coding: utf-8 -*-

import heapq


class MaxHeap:
    def __init__(self, li):
        self.heap = [-e for e in li]
        heapq.heapify(self.heap)

    def push(self, val):
        heapq.heappush(self.heap, -val)

    def pop(self):
        return -heapq.heappop(self.heap)

    def __len__(self):
        return len(self.heap)


n, m = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(n)]

ab.sort()

h = MaxHeap([])

i = 0
ans = 0
for day in range(1, m + 1):
    while i < n and ab[i][0] <= day:
        h.push(ab[i][1])
        i += 1
    if len(h) == 0:
        continue
    ans += h.pop()

print(ans)
Buggy python submission (verdict: Runtime Error):
from scipy.sparse.csgraph import bellman_ford, NegativeCycleError
from scipy.sparse import csr_matrix

n, m, p = map(int, input().split())
abc = [list(map(int, input().split())) for _ in range(m)]

fwd = [[] for _ in range(n + 1)]
rev = [[] for _ in range(n + 1)]

for a, b, c in abc:
    fwd[a].append(b)
    rev[b].append(a)


def dfs(s, adj):
    stack = [s]
    arrived = [False] * (n + 1)
    arrived[s] = True
    while stack:
        u = stack.pop()
        for v in adj[u]:
            if not arrived[v]:
                arrived[v] = True
                stack.append(v)

    return arrived


can_go_fwd = dfs(1, fwd)
can_go_rev = dfs(n, rev)

row = []
col = []
cost = []
for a, b, c in abc:
    if can_go_fwd[a] and can_go_rev[b]:
        row.append(a)
        col.append(b)
        cost.append(p - c)

g = csr_matrix((cost, (row, col)), shape=(n + 1, n + 1))
try:
    dist = bellman_ford(g, indices=1).astype(int)
    ans = max(0, -dist[n])
    print(ans)
except NegativeCycleError:
    print(-1)


Fixed submission:
n, m, p = map(int, input().split())
abc = [list(map(int, input().split())) for _ in range(m)]


def bellman_ford(s, g):
    # loop 0 - (n-1) : bellman ford
    # loop n - (2n-1): check g can be updated
    dist = [float("inf")] * n
    dist[s] = 0
    for i in range(2 * n):
        for a, b, c in abc:
            a -= 1
            b -= 1
            cost = -(c - p)

            if dist[b] > dist[a] + cost:
                dist[b] = dist[a] + cost
                if i >= n:
                    dist[b] = -float("inf")

    if dist[g] == -float("inf"):
        return -1

    else:
        return max(-dist[g], 0)


ans = bellman_ford(0, n - 1)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n, m, p = map(int, input().split())
abc = [list(map(int, input().split())) for _ in range(m)]


def bellman_ford(s, g):
    # loop 0 - (n-1) : bellman ford
    # loop n - (2n-1): check g can be updated
    dist = [float("inf")] * n
    dist[s] = 0
    negative = [False] * n
    for i in range(2 * n):
        for a, b, c in abc:
            a -= 1
            b -= 1
            cost = -(c - p)

            if dist[b] > dist[a] + cost:
                dist[b] = dist[a] + cost
                if i >= n:
                    negative[b] = True

    if negative[g]:
        return -1

    else:
        return max(-dist[g], 0)


ans = bellman_ford(0, n - 1)
print(ans)


Fixed submission:
n, m, p = map(int, input().split())
abc = [list(map(int, input().split())) for _ in range(m)]


def bellman_ford(s, g):
    # loop 0 - (n-1) : bellman ford
    # loop n - (2n-1): check g can be updated
    dist = [float("inf")] * n
    dist[s] = 0
    for i in range(2 * n):
        for a, b, c in abc:
            a -= 1
            b -= 1
            cost = -(c - p)

            if dist[b] > dist[a] + cost:
                dist[b] = dist[a] + cost
                if i >= n:
                    dist[b] = -float("inf")

    if dist[g] == -float("inf"):
        return -1

    else:
        return max(-dist[g], 0)


ans = bellman_ford(0, n - 1)
print(ans)
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

n = input()

N = 10

child_data = [[1]*len(n)]
for j in range(1, len(n)+1):
    child_fin = [0]*len(n)
    for i in range(len(n)):
        if n[i] == "L":
            child_fin[i-1] += child_data[j-1][i]
        else:
            child_fin[i+1] += child_data[j-1][i]
    child_data.append(child_fin)
    if child_fin in child_data[:-1]:
        child_last = child_data[-(j%2+1)]
        break

output = " ".join(map(str, child_last))
print(output)

Fixed submission:
# -*- coding: utf-8 -*-

a, b, c = map(int, input().split())

print(max(c-a+b, 0))
Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

n = input()

N = 10

child_data = [[1]*len(n)]
for j in range(1, len(n)+1):
    child_fin = [0]*len(n)
    for i in range(len(n)):
        if n[i] == "L":
            child_fin[i-1] += child_data[j-1][i]
        else:
            child_fin[i+1] += child_data[j-1][i]
    child_data.append(child_fin)
    if child_fin in child_data[:-1]:
        child_last = child_data[-(j%2+1)]
        break

output = " ".join(map(str, child_last))
print(output)

Fixed submission:
def main():
    s = input()

    spl = s.split("LR")

    for i, e in enumerate(spl):
        spl[i] = "R" + spl[i] + "L"

    spl[0] = spl[0][1:]
    spl[-1] = spl[-1][:-1]

    ans = []
    for es in spl:
        rl_i = es.find("RL")
        l = len(es)
        q, r = divmod(l, 2)
        for i, e in enumerate(es):
            if i == rl_i or i == rl_i + 1:
                tmp = q + r * ((i + 1) % 2)
                ans.append(tmp)
            else:
                ans.append(0)

    print(*ans)


if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

n = input()

N = 10

child_data = [[1]*len(n)]
for j in range(1, len(n)+1):
    child_fin = [0]*len(n)
    for i in range(len(n)):
        if n[i] == "L":
            child_fin[i-1] += child_data[j-1][i]
        else:
            child_fin[i+1] += child_data[j-1][i]
    child_data.append(child_fin)
    if child_fin in child_data[:-1]:
        child_last = child_data[-(j%2+1)]

output = " ".join(map(str, child_last))
print(output)

Fixed submission:
def main():
    s = input()

    spl = s.split("LR")

    for i, e in enumerate(spl):
        spl[i] = "R" + spl[i] + "L"

    spl[0] = spl[0][1:]
    spl[-1] = spl[-1][:-1]

    ans = []
    for es in spl:
        rl_i = es.find("RL")
        l = len(es)
        q, r = divmod(l, 2)
        for i, e in enumerate(es):
            if i == rl_i or i == rl_i + 1:
                tmp = q + r * ((i + 1) % 2)
                ans.append(tmp)
            else:
                ans.append(0)

    print(*ans)


if __name__ == "__main__":
    main()
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-                                                                              

n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

killed = 0

for i in range(n):
    if b[i] <= a[i]:
        killed += b[i]
        continue
    else:
        b[i] -=	a[i]
        killed += a[i] + min(a[i+1], b[i])
	a[i+1] = max(0, a[i+1]-b[i])

print(killed)


Fixed submission:
# -*- coding: utf-8 -*-                                                                              

n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

killed = 0

for i in range(n):
    if b[i] <= a[i]:
        killed += b[i]
        continue
    else:
        b[i] -=	a[i]
        killed += a[i] + min(a[i+1], b[i])
        a[i+1] = max(0, a[i+1]-b[i])

print(killed)
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
mod = 10 ** 9 + 7

l = len(s)
s = [int(e) if e != "?" else -1 for e in s]
dp = [[0] * 13 for _ in range(l + 1)]
dp[0][0] = 1

for i in range(l):
	for k in range(10):
		if s[i] == -1 or s[i] == k:
			for j in range(13):
				nj = (j * 10 + k) % 13
				dp[i+1][nj] += dp[i][j]
				dp[i+1][nj] %= mod

ans = dp[l][5]
print(ans)


Fixed submission:
s = input()
mod = 10 ** 9 + 7

l = len(s)
s = [int(e) if e != "?" else -1 for e in s]
dp = [[0] * 13 for _ in range(l + 1)]
dp[0][0] = 1

for i in range(l):
	for k in range(10):
		if s[i] == -1 or s[i] == k:
			for j in range(13):
				nj = (j * 10 + k) % 13
				dp[i+1][nj] += dp[i][j]
				dp[i+1][nj] %= mod

ans = dp[l][5]
print(ans)
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-                                                                              

n = int(input())
arr = list(map(int, input().split()))

res = [0] * (n + 1)

for i in range(1, n+1)[::-1]:
    sum_res = sum(res[x] for x in range(i, n+1, i))
    if sum_res % 2 != arr[i - 1]:
	res[i] = 1

print(sum(res))

if sum(res):
    ans = []
    for	i, ele in enumerate(res):
        if ele:
            ans.append(i)
    print(*ans)

Fixed submission:
# -*- coding: utf-8 -*-

n = int(input())
arr = list(map(int, input().split()))

res = [0] * (n + 1)

for i in range(1, n + 1)[::-1]:
    sum_res = sum(res[x] for x in range(i, n + 1, i))
    if sum_res % 2 != arr[i - 1]:
        res[i] = 1

print(sum(res))

if sum(res):
    ans = []
    for i, ele in enumerate(res):
        if ele:
            ans.append(i)
    print(*ans)
Buggy python submission (verdict: Runtime Error):
l, r = map(int, input().split())

i_max =	min(r, l+2019)
mod_min = 2019
for i in range(l, i_max):
    j_max = min(r, i+2019)
    for	j in range(i+1, j_max+1):
	mod = (i*j) % 2019
        if mod < mod_min:
            mod_min = mod

print(mod_min)

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

i_max = min(r, l+2019)
mod_min = 2019
for i in range(l, i_max):
    j_max = min(r, i+2019)
    for j in range(i+1, j_max+1):
        mod = (i*j) % 2019
        if mod < mod_min:
            mod_min = mod

print(mod_min)