Harryxun/stf_run huggingface dataset:
n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A_ruiseki = [0]
for i in range(n):
    if A_ruiseki[-1]+A[i] <= k :
        A_ruiseki.append(A_ruiseki[-1]+A[i])
    else:
        break

B_ruiseki = [0]
for i in range(n):
    if B_ruiseki[-1]+B[i] <= k :
        B_ruiseki.append(B_ruiseki[-1]+B[i])
    else:
        break

ans = len(A_ruiseki)-1

for i in range(len(A_ruiseki)):
    time = A_ruiseki[i]
    expected = max(ans-i, 0)

    if len(B_ruiseki) <= expected:
        continue

    if time + B_ruiseki[expected] > k:
        continue

    if expected > 0:
        time += B_ruiseki[expected-1]

    for j in range(expected, len(B)):
        if time + B[j] > k:
            break

        time += B[j]
        ans =i+j+1

print(ans)

### FIXED CODE ###

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A_ruiseki = [0]
for i in range(n):
    if A_ruiseki[-1]+A[i] <= k :
        A_ruiseki.append(A_ruiseki[-1]+A[i])
    else:
        break

B_ruiseki = [0]
for i in range(m):
    if B_ruiseki[-1]+B[i] <= k :
        B_ruiseki.append(B_ruiseki[-1]+B[i])
    else:
        break

ans = len(A_ruiseki)-1

for i in range(len(A_ruiseki)):
    time = A_ruiseki[i]
    expected = max(ans-i, 0)

    if len(B_ruiseki) <= expected:
        continue

    if time + B_ruiseki[expected] > k:
        continue

    time += B_ruiseki[expected]

    for j in range(expected, len(B)):
        if time + B[j] > k:
            break

        time += B[j]
        ans =i+j+1

print(ans)
#coding:utf-8
n = int(input())
a = input().split()
lis = [0 for i in range(n)]
count = 0

for i in a:
    lis[i] += 1

for i in lis:
    if count == 0:
        count = 1
        continue
    print("{}".format(i))

### FIXED CODE ###

#coding:utf-8
n = int(input())
a = input().split()
lis = [0 for i in range(n)]

for i in a:
    lis[int(i) - 1] += 1

for i in lis:
    print("{}".format(i))
L, R = map(int, input().split())

res = 1000000007

amari = [i % 2019 for i in range(L, R + 1)]
l = len(amari)

if R - L + 1 > 2019:
    print(0)
else:
    for i in range(l + 1):
        a = amari[i]
        for j in range(i + 1, l + 1):
            b = amari[j]
            res = min(res, a * b % 2019)

    print(res)

### FIXED CODE ###

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

res = 1000000007

if R - L + 1 > 2019:
    print(0)
else:
    amari = [i % 2019 for i in range(L, R + 1)]
    l = len(amari)
    for i in range(l):
        a = amari[i]
        for j in range(i + 1, l):
            b = amari[j]
            res = min(res, a * b % 2019)

    print(res)
print<>=~/C.*F/?Yes:No,$/

### FIXED CODE ###

def main():
    s = input()
    if s.count('C') == 0 or s.count('F') == 0:
        print('No')
        return
    l = len(s)
    s = s[s.find('C'):]
    if s.count('F') == 0:
        print('No')
    else:
        print('Yes')
main()
a=int(input())
n=list(str(a))
N=map(int,n)
an=0
lena=len(n)
for i in range(lena):
    an += N[i]
if a % an ==0:
    print('Yes')
else:
    print('No')


### FIXED CODE ###

n=str(input())
a=0
for i in n:
    a += int(i)
if int(n)%a==0:
    print('Yes')
else:
    print('No')
x , y = map(int,input().split())
b = y/2 - x 
a = x - b 
if a >=0 and b>= 0:
    print("Yes")
else:
    print("No")

### FIXED CODE ###

x , y = map(int,input().split())
if y % 2 != 0 :
    print("No")
    quit()
else:
    b = y/2 - x
    a = x - b 
    if a >= 0 and b >= 0:
        print("Yes")
    else:
        print("No")
a, b, c = input().split()
if a[-1] == b[0] and b[-1] == c[0]:
  print('YES')
 else:
  print('NO')

### FIXED CODE ###

a, b, c = input().split()
if a[-1] == b[0] and b[-1] == c[0]:
  print('YES')
else:
  print('NO')
N = int(input())

if (N%7)%4 == 0 or (N%4)%7 == 0
  print('Yes')
else:
  print('No')

### FIXED CODE ###

import itertools

N = int(input())

if N%4 ==0 or N%7 ==0:
  print('Yes')
  exit()
else:
  i = itertools.product(range(N//4+1),range(N//7+1))
  

c = [a for a in i]
for i in c:
  if i[0]*4+i[1]*7 == N:
    print('Yes')
    exit()
  else:
    continue

print('No')
p0 = []
maxp = []
for i in range(n):
    p0.append(p[i][0])
    sumf = sum(f[i])
    maxp.append(max(p[i][1:(sumf+1)]))

cnt = 0
sum_max = 0
for i in range(n):
    if p0[i] > maxp[i]:
        cnt += 1
    sum_max += max(p0[i],maxp[i])

if cnt == n:
    a = []
    for i in range(n):
        a.append(p0[i] + sum(maxp[:i]) + sum(maxp[i+1:]))
    print(max(a))
else:
    print(sum_max)

### FIXED CODE ###

import itertools
n = int(input())
f = [list(map(int,input().split())) for _ in range(n)]
p = [list(map(int,input().split())) for _ in range(n)]

a = list(range(10))
cnt = 0
total = 0
total_p = []
for i in range(1,11):
    c = list(itertools.combinations(a,i))
    
    for tap in c:
        for j in range(n):
            for num in tap:
                if f[j][num] == 1:
                    cnt += 1
                    
            total += p[j][cnt]
            cnt = 0
        
        total_p.append(total)
        total = 0

print(max(total_p))
# import numpy as np;
# from numba import jit
# import warnings
from operator import mul
# from functools import reduce
warnings.simplefilter('ignore')
    

if __name__ == '__main__':
    N = int(input())
    A = map(int, input().split())
    ans = reduce(mul, A)
    if ans > 10 ** 18:
        print -1
        quit()
    print ans

### FIXED CODE ###

N = int(input())
A = list(map(int, input().split()))
A.sort()
ans = 1
for a in A:
    ans *= a
    if ans > 1000000000000000000:
            print(-1)
            quit()
print(ans)
def resolve():
    N = int(input())
    ans = 0
    for i in range(1, N+1, 2):
        tmp = make_divisors(i)
        if len(tmp) == 8:
            ans += 1
    print(ans)
    return

resolve()


### FIXED CODE ###

def make_divisors(n):
    lower_divisors , upper_divisors = [], []
    i = 1
    while i*i <= n:
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)
        i += 1
    return lower_divisors + upper_divisors[::-1]

def resolve():
    N = int(input())
    ans = 0
    for i in range(1, N+1, 2):
        tmp = make_divisors(i)
        if len(tmp) == 8:
            ans += 1
    print(ans)
    return

resolve()
#!/usr/bin/python3
import sys

def Dnum():
    
    str = " "
    while(str != '\n'):
        str = sys.stdin.readline()
        cnt = 0
        list = str.split(" ")
        num = int(list[0])+int(list[1])
        while(num >= 1):
            cnt=cnt+1
            num = num/10
        print(cnt)

Dnum()

### FIXED CODE ###

#@ /usr/bin/env python3.4
import sys
list = sys.stdin.readlines()
for i in list:
    num = i[:-1].split(' ', 2)
    print(len(str(int(num[0])+int(num[1]))))
N = int(input())
A = [int(x) for x in input().split()]
L = [0] * 2 * N
R = [0] * 2 * N
for i in range(N):
    l = i + A[i]
    if l < N: L[l] += 1
    r = i - A[i]
    R[r] += 1
ans = 0 
for i in range(N):
    ans += L[i] * R[i]
print(ans)


### FIXED CODE ###

N = int(input())
A = [int(x) for x in input().split()]
L = [0] * 2 * N
R = [0] * 2 * N
for i in range(N):
    l = i + A[i]
    if l < N: L[l] += 1
    r = i - A[i]
    if r > 0: R[r] += 1
ans = 0 
for i in range(N):
    ans += L[i] * R[i]
print(ans)
import sys
from bisect import bisect_left as bl
input = sys.stdin.readline
N, M, R = map(int, input().split())
r = list(map(int, input().split()))
ss = set(r)
d = [[0] * (N + 1) for _ in range(N + 1)]
for _ in range(M):
  a, b, c = map(int, input().split())
  d[a][b] = c
  d[b][a] = c
res = float("inf")
for s in range(1, N + 1):
  dp = [[float("inf")] * (pow(2, R)) for _ in range(N + 1)]
  if s in r:
    dp[s][1 << bl(r, s)] = 0
  else: continue
  for i in range(1, N + 1):
    for j in range(pow(2, R)):
      for k in range(1, N + 1):
        x = bl(r, k)
        if j & (1 << x):
          continue
        #print(j, k, j + (1 << x))
        if k in ss:
          dp[k][j + (1 << x)] = min(dp[k][j + (1 << x)], dp[i][j] + d[i][k])
        else: dp[k][j] = min(dp[k][j], dp[i][j] + d[i][k])
  for i in range(1, N + 1):
    res = min(res, dp[i][-1])
print(res)

### FIXED CODE ###

import sys
from itertools import permutations as per
input = sys.stdin.readline
N, M, R = map(int, input().split())
r = list(map(int, input().split()))
d = [[float("inf")] * (N + 1) for _ in range(N + 1)]
for i in range(N + 1):
  d[i][i] = 0
for _ in range(M):
  a, b, c = map(int, input().split())
  d[a][b] = c
  d[b][a] = c

for k in range(1, N + 1):
  for i in range(1, N + 1):
    for j in range(1, N + 1):
      d[i][j] = min(d[i][k] + d[k][j], d[i][j])
res = float("inf")
for p in per(r, R):
  t = 0
  for i in range(R - 1):
    t += d[p[i]][p[i + 1]]
  res = min(t, res)
print(res)
a,b=map(input().split())
print((a+b)//2 if (a+b)%2==0 else "IMPOSSIBLE")

### FIXED CODE ###

a,b=map(int,input().split())
print((a+b)//2 if (a+b)%2==0 else "IMPOSSIBLE")
def is_ok(A, x, K):
    cut_count = 0
    for number in A:
        cut_count += (number // x) - 1
    return cut_count <= K

A = []
N = int(input())
K = int(input())
ans = 0

l = 0
r = 10 ** 9

for _ in range(N):
    A.append(int(input()))

while r - l > 1:
    x = (r + l) // 2
    if is_ok(A, x, K):
        r = x       
    else:
        l = x
      
print(r)

### FIXED CODE ###

import math

def is_ok(A, x, K):
  cut_count = 0
  for number in A:
    cut_count += (math.ceil(number / x)) - 1
  return cut_count <= K

A = []
[N, K] = input().split()
N = int(N)
K = int(K)
A = input().split()
ans = 0

l = 0
r = 10 ** 9

for i in range(N):
  A[i] = int(A[i])

while r - l > 1:
  x = (r + l) // 2
  if is_ok(A, x, K):
    r = x
  else:
    l = x
      
print(r)
A, B, C, D = map(int, input().split())
while true:
  C -= B
  if C <= 0:
    print('Yes')
    break
  A -= D
  if A < 0:
     print('No')
      break

### FIXED CODE ###

S, W = map(int, input().split())

if S <= W :
  print('unsafe')
else :
  print('safe')
N,M = map(int,input()split())
ans = N*(N-1)/2 + M*(M-1)/2
ans = int()
print(ans)

### FIXED CODE ###

N,M = map(int,input().split())
ans = N*(N-1)//2 + M*(M-1)//2
print(ans)
N = int(input())
X, Y = [], []

tree = {key+1: [] for key in range(N)}  # 木構造はノードをキーにする辞書にしておく
# 必要なのは、あるノードを指定したときに、隣り合うノードと、コスト
#[(隣のノード, コスト)]の順で格納する

for n in range(N - 1):
    a, b, c = list(map(int, input().split()))
    tree[a].append((b, c))
    tree[b].append((a, c))  # 方向に依存しない格納

Q, K = list(map(int, input().split()))

cost = {}  # Kがkeyに行くまでにかかるコストの辞書


def dfs(v, p, d):
    """
    深さ優先探索
    再帰的に処理する
    args:
        v: 現在の頂点
        p: vの親(訪問元)
        d: 現在の距離
    """
    cost[v] = d
    for i, co in tree[v]:
        if i == p:
            continue
        dfs(i, v, d + co)


dfs(K, 0, 0)

ans = []
for q in range(Q):
    x, y = list(map(int, input().split()))
    ans.append(cost[x] + cost[y])

for a in ans:
    print(a)


### FIXED CODE ###

import sys
sys.setrecursionlimit(1000000)

N = int(input())
X, Y = [], []

tree = {key+1: [] for key in range(N)}  # 木構造はノードをキーにする辞書にしておく
# 必要なのは、あるノードを指定したときに、隣り合うノードと、コスト
#[(隣のノード, コスト)]の順で格納する

for n in range(N - 1):
    a, b, c = list(map(int, input().split()))
    tree[a].append((b, c))
    tree[b].append((a, c))  # 方向に依存しない格納

# for n in tree.keys():
#     tree[n] = list(set(tree[n]))  # 重複を削除
# こいつが原因ではない

Q, K = list(map(int, input().split()))

cost = {}  # Kがkeyに行くまでにかかるコストの辞書


def dfs(v, p, d):
    """
    深さ優先探索
    再帰的に処理する
    args:
        v: 現在の頂点
        p: vの親(訪問元)
        d: 現在の距離
    """
    cost[v] = d
    for i, co in tree[v]:
        if i == p:
            continue
        dfs(i, v, d + co)


dfs(K, -1, 0)

# print(cost)
ans = []
for q in range(Q):
    x, y = list(map(int, input().split()))
    ans.append(cost[x] + cost[y])

for a in ans:
    print(a)
n,m=map(int,input().split())
dp=[0]*(n+1)
cnt=0
for i in range(m):
  q=input()
  if dp[int(q[:-3])]!="A" and q[-2]=="W":
    dp[int(q[:-3])]="W"
    cnt+=1
  elif dp[int(q[i])]!="A" and q[-2]=="A":
    dp[int(q[:-3])]="A"
print(dp.count("A"),cnt)

### FIXED CODE ###

n,m=map(int,input().split())
dp=[0]*(n+1)
charge=[0]*(n+1)
cnt=0
ans=0
for i in range(m):
  q=input()
  if dp[int(q[:-3])]!="A" and q[-2]=="W":
    dp[int(q[:-3])]="W"
    charge[int(q[:-3])]+=1
  elif dp[int(q[:-3])]!="A" and q[-2]=="A":
    dp[int(q[:-3])]="A"
    ans+=1
    cnt+=charge[int(q[:-3])]
    charge[int(q[:-3])]=0
print(ans,cnt)
N = int(input())
A = list(map(int, input().split()))

s = sum(A) - N*(N-1)
m = sum(list(map(lambda x: (x+s)//N, A)))
while m > s:
    s = m
    m = sum(list(map(lambda x: (x+s)//N, A)))
else:
    print(m)

### FIXED CODE ###

N, M = map(int,input().split())
route_1 = set()
route_N = set()

for _ in range(M):
    a, b = map(int,input().split())
    if a == 1:
        route_1.add(b)
    elif b == N:
        route_N.add(a)

if route_1&route_N:
    print("POSSIBLE")
else:
    print("IMPOSSIBLE")
# -*- coding: utf-8 -*-
import numpy as np
N, K, Q = map(int, input().split())
score = np.array([K]*N)


for i in range(Q):
    answer = int(input())
    score[answer - 1] += 1
    score = score - 1


for i in range(N):
    if score[i] <= 0:
        print("No")
    else:
        print("Yes")

### FIXED CODE ###

# -*- coding: utf-8 -*-
S = input()
if S == "Sunny":
    print('Cloudy')
elif S == "Cloudy":
    print('Rainy')
else:
    print('Sunny')
a=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]
print(a[k-1])

### FIXED CODE ###

a=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]
print(a[int(input())-1])
N = int(input())
ans = 0
for i in range(1, N + 1):
    if len(str(i)) % 2 == 1:
      ans += 1
      
print(ans)

### FIXED CODE ###

A, B, C = map(int, input().split())

D = C - (A-B)
if D < 0:
  print(0)
else:
  print(D)
N= int(input())
i= int(input())

print (N-i+1)
    


### FIXED CODE ###

t,i = map(int,input().split(" "))
j=t-i+1 
print(j)
suuretu = (1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51)
input(k)
suuretu[k]

### FIXED CODE ###

s=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]
print(s[int(input())-1])
import sys
sys.setrecursionlimit(10000)

class Solution():
    def dp(self, pos, sign):
        if pos == self.n-1:
            if sign == 0:
                return +self.lst[pos]
            else:
                return -self.lst[pos]
        elif (pos, sign) in self.vis:
            return self.rcd[pos][sign]
        elif sign == 0:
            self.rcd[pos][sign] = max(self.dp(pos+1, 0) + self.lst[pos], self.dp(pos+1, 1) - self.lst[pos])
            self.vis.add((pos, sign))
            return self.rcd[pos][sign]
        else:
            self.rcd[pos][sign] = max(self.dp(pos+1, 0) - self.lst[pos], self.dp(pos+1, 1) + self.lst[pos])
            self.vis.add((pos, sign))
            return self.rcd[pos][sign]

    def run(self):
        self.n = int(input())
        self.lst = list(map(int, raw_input().split()))
        self.rcd = [[0, 0] for _ in range(self.n)]
        self.vis = set()
        print(self.dp(0, 0))

solution = Solution()
solution.run()


### FIXED CODE ###

# D - Flipping Signs
# https://atcoder.jp/contests/abc125/tasks/abc125_d

N = int(input())
A = list(map(int, raw_input().split()))

ng_cnt = 0

for i in range(N):
    if A[i] < 0:
        ng_cnt += 1
        A[i] = -A[i]

if ng_cnt % 2 == 0:
    print '{}'.format( sum(A) )
else:
    print '{}'.format( sum(A) - min(A)*2)
N,D=map(int,input().split())
sum=0
for _ in range(N):
    X,Y=map(int,input().split())
    if math.sqrt(((X*X)+(Y*Y)))<=D:
        sum=sum+1
print(sum)
    


### FIXED CODE ###

import math

N,D=map(int,input().split())
sum=0
for _ in range(N):
    X,Y=map(int,input().split())
    if math.sqrt(((X*X)+(Y*Y)))<=D:
        sum=sum+1
print(sum)
weather = input()

if weather = Sunny:
    print(Cloudy)
elif weather = Cloudy:
    print(Rainy)
else:
    print(Sunny)

### FIXED CODE ###

weather = input()

if weather == "Sunny":
    print("Cloudy")
elif weather == "Cloudy":
    print("Rainy")
else:
    print("Sunny")
import math

A,B,H,M = map(int, input().split())

h = H/6
n = M/30

CC = A**2 + B**2 + 2*A*B*math.cos((h-n)*math.pi)\  
C= math.sqrt(CC)

print(C)

### FIXED CODE ###

n = int(input())
b = n%10

if b == 3:
  print('bon')
elif b == 1 or b == 6 or b ==8 or b == 0:
  print('pon')
else:
  print('hon')
a,b=[int(i) for i in input().split()]
if b=1:
  print(0)
else:
  print(a-b)


### FIXED CODE ###

a,b=[int(i) for i in input().split()]
if b==1:
  print(0)
else:
  print(a-b)
N,K = map(int,input().split())
moji = str(input())
ans = [0]
for i in range(N-1):
    if moji[i] == "A" and moji[i+1] == "C":
        ans.append(ans[i]+1)
    else:
        ans.append(ans[i])

        
for i in range(K):
    st,sp = map(int,input().split())
    print(ans[sp]-ans[st])
    

### FIXED CODE ###

N,K = map(int,input().split())
moji = str(input())
ans = [0]
for i in range(N-1):
    if moji[i] == "A" and moji[i+1] == "C":
        ans.append(ans[i]+1)
    else:
        ans.append(ans[i])

        
for i in range(K):
    st,sp = map(int,input().split())
    print(ans[sp-1]-ans[st-1])
a = input()
b = ['SUN','MON','TUE','WED','THU','FRI','SAT']
ptint(7 - b.index(a))

### FIXED CODE ###

a = input()
b = ['SUN','MON','TUE','WED','THU','FRI','SAT']
print(7 - b.index(a))
a=0;b=0
cnt=0
while a < len(A) and b < len(B) and K > 0:
	a_ = A[a]
	b_ = B[b]
    
    if a_ > K and b_ > K:
      break
      
    if a_ < b_ and a_ <= K:
		cnt += 1
		K -= a_
        a += 1
	elif a_ >= b_ and b_ <= K:
      cnt += 1
      K -= b_
      b += 1
      
print(cnt)  

### FIXED CODE ###

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

A = [0]
B = [0]
ans = 0

for i in range(n):
    A.append(A[i] + a[i])

for i in range(m):
    B.append(B[i] + b[i])

j = m

for i in range(n + 1):
    if A[i] > k:
        break
    while A[i] + B[j] > k:
        j -= 1
    ans = max(ans, i + j)

print(ans)
x,y=map(int, raw_input().split())
if 0<=x and 0<=y:
    if x<=y:
        print abs(x-y)
    else:
        print min(2+abs(x-y),1+abs(x+y))
elif x<0 and y<0:
    if x<=y:
        print abs(x-y)
    else:
        print min(2+abs(x-y), 1+abs(x-y*-1))
elif x<0 and 0<=y:
    if x*-1<=y:
        print min(1+abs(y-x*-1),1+abs(x-y*-1)
    else:
       print abs(x-y)
elif y<0 and 0<=x:
    if y*-1<x:
        print min(abs(x-y),1+abs(x*-1-y))
    else:
        print min(abs(x-y),1+abs(x-y*-1))


### FIXED CODE ###

x,y=map(int, raw_input().split())
if 0<=x and 0<=y:
    if x<=y:
        print abs(x-y)
    else:
        print min(1+abs(x*-1-y),2+abs(x-y))
elif x<0 and y<0:
    if x<=y:
        print abs(x-y)
    else:
        print min(2+abs(x-y), 1+abs(x-y*-1))
elif x<0 and y==0:
    print abs(x-y)
elif x<0 and 0<y:
    if x*-1<=y:
        print 1+abs(y-x*-1)
    else:
        print 1+abs(x*-1-y)
elif y<0 and x==0:
    print 1+abs(x-y)
elif y<0 and 0<x:
        print 1+abs(x*-1-y)
H, W = map(int, input().split())
graph = []
for _ in range(H):
    graph.append(input())

dist = [[0 for _ in range(W)] for _ in range(H)]

que = [[0, 0]]
distance = 0
while True:
    h, w = que.pop(0)
    if h == H - 1 and w == W - 1:
        distance = dist[h][w]
        break
    for a, b in [[0, 1], [0, -1], [1, 0], [-1, 0]]:
        ht, wt = h + a, w + b
        if 0 <= ht < H and 0 <= wt < W and graph[ht][wt] == "." and dist[ht][wt] == 0:
            dist[ht][wt] = dist[h][w] + 1
            que.append([ht, wt])

total = W * H - 1
for g in graph:
    total -= g.count("#")
print(total - distance)

### FIXED CODE ###

H, W = map(int, input().split())
graph = []
for _ in range(H):
    graph.append(input())

dist = [[0 for _ in range(W)] for _ in range(H)]

que = [[0, 0]]
distance = 0
while len(que) > 0:
    h, w = que.pop(0)
    if h == H - 1 and w == W - 1:
        distance = dist[h][w]
        break
    for a, b in [[0, 1], [0, -1], [1, 0], [-1, 0]]:
        ht, wt = h + a, w + b
        if 0 <= ht < H and 0 <= wt < W and graph[ht][wt] == "." and dist[ht][wt] == 0:
            dist[ht][wt] = dist[h][w] + 1
            que.append([ht, wt])

if distance == 0:
    print(-1)
    exit()

total = W * H - 1
for g in graph:
    total -= g.count("#")
print(total - distance)
def add_node(tree, counter, value, node):
    counter[node - 1] += value
    if node in tree:
        for i in tree[node]:
            add_node(tree, counter, value, i)


n, q = map(int, input().split())

tree = {}

for i in range(n - 1):
    a, b = map(int, input().split())
    if a not in tree:
        tree[a] = [b]
    else:
        tree[a].append(b)

ope = {}
for j in range(q):
    p, x = map(int, input().split())
    if p not in ope:
        ope[p] = x
    else:
        ope[p] += x

counter = [0] * n

for k in ope:
    add_node(tree, counter, ope[k], k)

print(*counter)



### FIXED CODE ###

# def add_node(tree, counter, ope, node, value):
#     if node in ope:
#         value += ope[node]
#     counter[node - 1] += value

#     if node in tree:
#         for i in tree[node]:
#             add_node(tree, counter, ope, i, value)


n, q = map(int, input().split())

tree = {}

for i in range(n - 1):
    a, b = map(int, input().split())
    if a not in tree:
        tree[a] = [b]
    else:
        tree[a].append(b)

ope = {}
for j in range(q):
    p, x = map(int, input().split())
    if p not in ope:
        ope[p] = x
    else:
        ope[p] += x

counter = [0] * n

# print(tree, ope)

# for k in ope:
for i in range(1, n + 1):
    if i in ope:
        counter[i - 1] += ope[i]
    if i in tree:
        for j in tree[i]:
            counter[j - 1] += counter[i - 1]
    
# add_node(tree, counter, ope, 1, 0)

print(*counter)
N=int(input())
equal=0
ans=0
s=[list(input()) for _ in range(N)]
s10 = [i for i in range(10)]
i=0
t=['x' for i in range(N)]
for i in range(N):
    s10 = [x for x in range(10)]
    ti = [['xx',0] for x in range(10)]
    for j in range(10):
        if j in s10:
            ti[j][0]=s[i][j]
            ti[j][1]=1
            for k in range(j+1,10):
                if s[i][j]==s[i][k]:
                    ti[j][1]=ti[j][1]+1
                    s10.remove(k)
                else:
                    pass

        else:
            pass
        j=j+1
    ti = [[ti[a][0],ti[a][1]] for a in range(10) if not ti[a][1]==0]
    t[i] =ti
    i+=1

for i in range(N):
    for j in range(i+1,N):
        equal = 0
        for k in range(len(t[i])):
            if t[i][k][0]==t[j][k][0] and t[i][k][1]==t[j][k][1]:
                equal +=1
            else:
                pass
        if equal == len(t[i]):
            ans+=1

print(ans)

### FIXED CODE ###

from operator import mul
from functools import reduce
def cmb(n,r):
    r = min(n-r,r)
    if r == 0: return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under

N=int(input())
t=tuple([''.join(sorted(list(input()))) for _ in range(N)])
Dic = {}
ans = 0
for i in range(N):
    if t[i] in Dic:
        Dic[t[i]]+=1
    else:
        Dic[t[i]]=1
for k in tuple(Dic.keys()):
    if Dic[k]==1:
        pass
    else:
        ans+=cmb(Dic[k], 2)
print(int(ans))
x,y = map(int,input().split())
min = 2019
n = y-x
for i in range(n):
  s = (x + i) % 2019
  if s == 0:
    print(s)
    break
  elif min > s:
    min = s:
min2 = 2019
for j in range(n):
  g = (x + j) % 2019
  if g == 0:
    break
  elif min2 > g and g == s:
    min2 =g

if s != 0:
  z = (s*g)%2019
  print(z)


### FIXED CODE ###

l, r = map(int, input().split())

min = 2019

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

        if min == 0:
            print("0")
            exit()

print(min)