Harryxun/stf_run huggingface dataset:
s = input()
n = len(s)

dp = [[0 for i in range(n)] for j in range(13)]


if s[0] == '?':
    for i in range(10):
        dp[i][0] = 1

else:
    dp[s][0] = 1


mod_change_table = [(i * 10)%13 for i in range(13)]


for x in range(1, len(s)):
    for y in range(13):
        if s[x] == '?':
            for j in range(10):
                dp[(mod_change_table[y]+j)%13][x] += dp[y][x-1]
        else:
            dp[(mod_change_table[y]+int(s[x]))%13][x] += dp[y][x-1]


print(dp[5][n-1])

### FIXED CODE ###

S = input()
con = 10**9 + 7

T = [s if s != "?" else "0" for s in S]
T = int(''.join(T))
SS = T % 13

def get_mod(S):
    c = {}
    iii = 1
    for i in range(len(S)):
        if S[len(S) - i - 1] != "?":
            iii *= 10
            iii %= 13
            continue
        c[i] = {(j * iii) % 13: 1 for j in range(0, 10)}
        iii *= 10
        iii %= 13
    return c
c = get_mod(S)

def get_tdp(pdp):
    tdp = {i: 0 for i in range(13)}
    for r in v.keys():
        for _r, _v in pdp.items():
            i = (_r + r) % 13
            tdp[i] += _v
    for i in range(13):
        tdp[i] %= con
    return tdp

pdp = {i: 0 for i in range(13)}
pdp[SS] += 1
for k, v in c.items():
    pdp = get_tdp(pdp)

ans = pdp[5]
print(ans)
#!/usr/bin/python3
# -*- coding:utf-8 -*-

from math import ceil

def main():
  s = 0
  xs = []
  for x in [int(input()) for _ in range(5)]:
    if x % 10 == 0:
      s += x
    else:
      xs.append(x)
  if len(xs) == 1:
    print(s + sum(xs))
  else:
    xs = sorted(xs, key=lambda x: x%10, reverse=True)
    print(s + sum(map(lambda x: ceil(x/10)*10, xs[:-1])) + xs[-1])

if __name__=='__main__':
  main()



### FIXED CODE ###

#!/usr/bin/python3
# -*- coding:utf-8 -*-

from math import ceil

def main():
  s = 0
  xs = []
  for x in [int(input()) for _ in range(5)]:
    if x % 10 == 0:
      s += x
    else:
      xs.append(x)
  if len(xs) < 2:
    print(s + sum(xs))
  else:
    xs = sorted(xs, key=lambda x: x%10, reverse=True)
    print(s + sum(map(lambda x: ceil(x/10)*10, xs[:-1])) + xs[-1])

if __name__=='__main__':
  main()
a,b = map(int,input())
print(a+b//2)

### FIXED CODE ###

a,b = map(int,input().split())
print(a+b//2)
def ctonum(c):
	alp="qwertyuiopasdfghjklzxcvbnm"
	for i in range(len(alp)):
		if yay == alp[i]:
			return i

countS=[0 for i in range(100)]
countT=countS

S,T=input(),input()

for i in range(len(S)):
	countS[ctonum[S[i]]]+=1
	countT[ctonum[T[i]]]+=1
	
countS.sort()
countT.sort()

if countS==countT:
	print("Yes")
else:
	print("No")

### FIXED CODE ###

str1= list(raw_input())
str2 = list(raw_input())
from collections import Counter
# import operator
resstr2 = Counter(str2)
resstr1 = Counter(str1)

# a = sorted(res.values())
res1 = Counter(resstr1.values())
res2 =  Counter(resstr2.values())
result = "Yes"
for k , i in res1.iteritems():
    if res2[k] != i:
        result = "No"
        break
print result
N = int(input())
P = list(map(int,input().split()))
ans = 0
for i in range(N):
    if i+1 == P[i]:
        P[i],P[i+1] = P[i+1],P[i]
        ans += 1
print(ans)

### FIXED CODE ###

N = int(input())
P = list(map(int,input().split()))
ans = 0
for i in range(N):
    if i+1 == P[i]:
        if i+1 == N:
            P[i],P[i-1] = P[i-1],P[i]
        else:
            P[i],P[i+1] = P[i+1],P[i]
        ans += 1
print(ans)
def solve():
    S = input()
    K = int(input())

    N = len(S)

    st = set()

    for left in range(N):
        for right in range(left+1,N):
            if right - left > K:
                break
            st.add(S[left:right])
    
    tmp = list(st)
    tmp.sort()
    print(tmp[K-1])

if __name__ == '__main__':
    solve()

### FIXED CODE ###

def solve():
    S = input()
    K = int(input())

    N = len(S)

    st = set()

    for left in range(N):
        for right in range(left+1,N+1):
            if right - left > K:
                break
            st.add(S[left:right])
    
    tmp = list(st)
    tmp.sort()
    print(tmp[K-1])

if __name__ == '__main__':
    solve()
n,k = map(int, input().split())
mod = 10**9+7
nCr = {}
def cmb(n, r):
    if r == 0 or r == n: return 1
    if r == 1: return n
    if (n,r) in nCr: return nCr[(n,r)]
    nCr[(n,r)] = cmb(n-1,r) + cmb(n-1,r-1)
    return nCr[(n,r)]

for i in range(1,k+1):
        a = cmb(n-k+1,i)
        b = cmb(k-1,i-1)
        print((a*b)%mod)

### FIXED CODE ###

n,k = map(int, input().split())
mod = 10**9+7
from scipy.misc import comb

for i in range(1,k+1):
    print((comb(n-k+1,i,exact=True)*comb(k-1,i-1,exact=True))%mod)
211 5
31 41 59 26 53


### FIXED CODE ###

h,n = map(int,input().split())
a = [int(i) for i in input().split()]
b = sum(a)
ans = 'Yes'
if b < h:
    ans = 'No'
print(ans)
H,W = map(int, input().split())

for y in range(0,H):
	for x in range(0,W):
		print("#",end="")
	print(\n\n)


### FIXED CODE ###

while True:	
	H,W = map(int, input().split())
	if H==0 and W==0: break
	for y in range(0,H):
		for x in range(0,W):
			print("#",end="")
			
		print()
	print()
#!/usr/bin/env python3
import collections
import itertools as it
import math
from functools import reduce
#import numpy as np
 
#  = input()
n  = int(input())
#  = map(int, input().split())
#  = list(map(int, input().split()))
t  = [int(input()) for i in range(n)]
#
# c = collections.Counter()

def lcm_base(x, y):
    return (x * y) // math.gcd(x, y)

def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

def lcm_list(numbers):
    return reduce(lcm_base, numbers, 1)

print(lcm_list(t))


### FIXED CODE ###

#!/usr/bin/env python3
import collections
import itertools as it
import math
import numpy as np
import functools
 
#  = input()
n  = int(input())
#  = map(int, input().split())
#  = list(map(int, input().split()))
t  = [int(input()) for i in range(n)]
#
# c = collections.Counter()

def euclid(a, b):
    if b == 0:
        return a
    else:
        return euclid(b, a%b)

def multiple(a, b):
    return a*b // euclid(a, b)

def gcd(nums):
    return functools.reduce(euclid, nums)

def lcm(nums):
        return functools.reduce(multiple, nums)

print(lcm(t))
a = int(input())
i=0
sum=0
for i<len(str(a)):
  if str(a)[i]=="1":
    sum=sum+1
  i=i+1
  
print(sum)

### FIXED CODE ###

a = int(input())
i=0
sum=0
while i<len(str(a)):
  if str(a)[i]=="1":
    sum=sum+1
  i=i+1
  
print(sum)
s = input()
K = int(input())
substring = []
for i in range(len(s) + 1):
	for j in range(i + 1, len(s) + 1):
		substring.append(s[i:j])
substring = list(set(substring))
substring.sort()
print(substring)
if K <= 1 or len(s) <= 1:
	print(s)
else:
	print(substring[K + 1])

### FIXED CODE ###

s = input()
K = int(input())
substr = set()
for i in range(len(s)):
    for j in range(i+1, i+K+1):
        substr.add(s[i:j])
print(sorted(substr)[K-1])
from sys import stdin
import numpy as np

N = int(stdin.readline().rstrip().split()[0])
A = [int(x) for x in stdin.readline().rstrip().split()]
# N, X = [int(x) for x in stdin.readline().rstrip().split()]

def G(_a, _b):
  if _a>=_b:
    a, b = _a, _b
  else:
    a, b = _b, _a
  
  while True:
    c = a%b
    if c == 0:
      break
    a,b = b,c
  
  return b

def func(L):
  unique_L = list(set(L))
  if len(unique_L)==1:
    return unique_L[0]
  else:
    g = G(unique_L[0], unique_L[1])
    unique_L[0] = g
    unique_L[1] = g
    return func(unique_L)
print(func(A))
    

### FIXED CODE ###

from sys import stdin
import numpy as np

N = int(stdin.readline().rstrip().split()[0])
A = [int(x) for x in stdin.readline().rstrip().split()]
# N, X = [int(x) for x in stdin.readline().rstrip().split()]

def G(_a, _b):
  if _a>=_b:
    a, b = _a, _b
  else:
    a, b = _b, _a
  
  while True:
    c = a%b
    if c == 0:
      break
    a,b = b,c
  
  return b

L = np.array(list(set(A)))
mini = np.min(L)
yaku = [1]
i=2
r_mini = np.sqrt(mini)
while i<=r_mini:
  if mini%i==0:
    yaku.append(i)
  i+=1
yaku2 = list(map(lambda x: int(mini/x), yaku))
yaku = yaku[::-1]
yaku2.extend(yaku)
for y in yaku2:
  if np.sum(L%y)==0:
    ans = y
    break

print(ans)
a, b ,c = map(int, inpput().split())
if a < b < c:
    print('Yes')


### FIXED CODE ###

a, b ,c = map(int, input().split())
if a < b < c:
    print('Yes')
else:
    print('No')
n=int(input())
A=sorted(list(map(int, input())))
amax=max(A)
half=amax/2

ans=0
now=amax
for a in A:
  if abs(a-half)<=now:
    now=abs(a-half)
    ans=a
print(amax, ans)

### FIXED CODE ###


n=int(input())
A=sorted(list(map(int, input().split())))
amax=max(A)
half=amax/2

ans=0
now=amax
for a in A:
  if abs(a-half)<=now and a<amax:
    now=abs(a-half)
    ans=a
print(amax, ans)
import heapq

mnum, gnum = map(int, input().split())
array = list(map(lambda a: -int(a), input().split()))

array.sort()
heapq.heapify(array)

for i in range(gnum):
	temp = heapq.heappop(array)
	temp = temp/2
	heapq.heappush(array, temp)
    
amount = 0
for a in array:
  amount += math.floor(-a)
print(amount)

### FIXED CODE ###

import math
import heapq

N, M = list(map(int, input().split()))
A = list(map(lambda a: -int(a), input().split()))
A.sort()
heapq.heapify(A)

for i in range(M):
  a = heapq.heappop(A)
  a /= 2.0
  heapq.heappush(A, a)

amount = 0
for a in A:
  amount += math.floor(-a)
print(amount)
n = int(input())
li = []
for i in range(n):
    num = int(input())
    if num not in li:
        li.append(num)
print(len(li))



### FIXED CODE ###

import sys
from statistics import *
from collections import *
from operator import itemgetter

stdin = sys.stdin

ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
ns = lambda: stdin.readline()

s = input()
print("2018"+ s[4:])
n = int(input())

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

a.sort()

dp = [True] * a[-1]

ans = 0

m = a[-1]

for i, x in enumerate(a[:-1]):
    if not a[i+1] == x and dp[x]:
        ans += 1
    for b in range(x, m + 1, x):
        dp[b] = False

if dp[a[-1]]:
    ans += 1

print(ans)

### FIXED CODE ###

n = int(input())

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

a.sort()

dp = [True] * (a[-1] + 1)

ans = 0

m = a[-1]

for i, x in enumerate(a[:-1]):
    if not a[i+1] == x and dp[x]:
        ans += 1
    for b in range(x, m + 1, x):
        dp[b] = False

if dp[a[-1]]:
    ans += 1

print(ans)
s=input()
t=input()
print('t'+'s')

### FIXED CODE ###

s,t=input().split()
print(t+s)
n,x,m = map(int,input().split())

if x == 0:
    print(0)
    exit()

li = [-1] * m
v = [False] * m
v2 = [False] * m
v[x] = True
tmp = x
ans = x
loop = 0
cnt = 0
cnt_l = 0
loop_li = [0]
ans_li = [x]

for i in range(m):
    li[i] = i ** 2 % m

while True:
    tmp = li[tmp]
    ans += tmp
    v[tmp] = True
    cnt += 1
    ans_li.append(ans_li[-1] + tmp)
    if v[li[tmp]]:
        break

while True:
    tmp = li[tmp]
    loop += tmp
    v2[tmp] = True
    cnt_l += 1
    loop_li.append(loop_li[-1] + tmp)
    if v2[li[tmp]]:
        break

cnt -= cnt_l - 1
loop_li = loop_li[1:]
ans_li = ans_li[:cnt]

if n < len(ans_li):
    print(ans_li[n-1])
elif n == len(ans_li):
    print(ans_li[-1])
else:
    n -= len(ans_li)
    if n % len(loop_li) == 0:
        print(ans_li[-1] + loop_li[-1] * (n//len(loop_li)))
    else:
        print(ans_li[-1] + loop_li[-1] * (n//len(loop_li)) + loop_li[n%len(loop_li)-1])


### FIXED CODE ###

n,x,m = map(int,input().split())

if x == 0:
    print(0)
    exit()

li = [-1] * (m+1)
v = [False] * (m+1)
v2 = [False] * (m+1)
v[x] = True
tmp = x
ans = x
loop = 0
cnt = 0
cnt_l = 0
loop_li = [0]
ans_li = [x]

for i in range(m):
    li[i] = (i ** 2) % m

while True:
    tmp = li[tmp]
    ans += tmp
    v[tmp] = True
    cnt += 1
    ans_li.append(ans_li[-1] + tmp)
    if v[li[tmp]]:
        break

while True:
    tmp = li[tmp]
    loop += tmp
    v2[tmp] = True
    cnt_l += 1
    loop_li.append(loop_li[-1] + tmp)
    if v2[li[tmp]]:
        break

cnt -= cnt_l - 1
loop_li = loop_li[1:]
ans_li = ans_li

if n < len(ans_li):
    print(ans_li[n-1])
elif n == len(ans_li):
    print(ans_li[n-1])
else:
    n -= len(ans_li)
    if len(loop_li) == 0:
        print(ans_li[-1])
    else:
        if n % len(loop_li) == 0:
            print(ans_li[-1] + loop_li[-1] * (n//len(loop_li)))
        else:
            print(ans_li[-1] + loop_li[-1] * (n//len(loop_li)) + loop_li[n%len(loop_li)-1])
n,m  = map(int,input().split())
z = list(map(int,input().split()))


ok = [1]
if m == 1:
    print(z[0]-n)
    exit()

for i in range(1,z[1]-z[0]):
    ans = True
    for j in range(len(z)-1):
        if abs(z[j]-m)%i != 0:
            ans = False
            break
    if ans :
        ok.append(i)
print(ok[-1])


### FIXED CODE ###

from fractions import gcd

n,x  = map(int,input().split())
z = list(map(int,input().split()))



ans = abs(z[0] - x)
for i in range(1, n):
    ans = gcd(ans, abs(x - z[i]))
print(ans)
W,H,x,y = map(int,input().split())

print(X*H/2)

if x*2==W and y*2==H:
  print(1)
else:
  print(0)

### FIXED CODE ###


W,H,x,y = map(int,input().split())
 
print(W*H/2)
 
if x*2==W and y*2==H:
  print(1)
else:
  print(0)
import math

r=int(input)

k=math.pi

l=2*k*r

print(l)


### FIXED CODE ###

import math
 
r=int(input())
k=math.pi
 
t=2*k*r
 
print(t)
print((int(input() - 1) // 111 + 1) * 111)

### FIXED CODE ###

print(((int(input()) - 1) // 111 + 1) * 111)
a, b, c, d = map(int, input().split())
while a * c:
    c -= b
    a -= d
print('Yes' if a else 'No')

### FIXED CODE ###

a, b, c, d = map(int, input().split())
print('Yes' if (a - 1) // d >= (c - 1) // b else 'No')
from functools import reduce
import fractions
n, x = list(map(int, input().split()))
x_li = list(map(int, input().split()))
x_li.append(x)
x_li.sort()
d = []
for i in range(n):
    d.append(x_li[i + 1] - x_li[i])


def gcd(*numbers):
    return reduce(math.gcd, numbers)


def gcd_list(numbers):
    return reduce(math.gcd, numbers)


if len(d) > 1:
    print(gcd_list(d))
else:
    print(d[0])


### FIXED CODE ###

from functools import reduce
import fractions
n, x = list(map(int, input().split()))
x_li = list(map(int, input().split()))
x_li.append(x)
x_li.sort()
d = []
for i in range(n):
    d.append(x_li[i + 1] - x_li[i])


def gcd(*numbers):
    return reduce(fractions.gcd, numbers)


def gcd_list(numbers):
    return reduce(fractions.gcd, numbers)


if len(d) > 1:
    print(gcd_list(d))
else:
    print(d[0])
s=input()
print(min([max(i+1,len(s)-i-1) for i in range(len(s)-1) if s[i]!=s[i+1]]))

### FIXED CODE ###

s=input()
l=[max(i+1,len(s)-i-1) for i in range(len(s)-1) if s[i]!=s[i+1]]
print(min(l) if len(l)!=0 else len(s))
n, w = map(int, input().split())
s = [list(map(int, input().split())) for i in range(n)]
ws = [x[0] for x in s]
v = [x[1] for x in s]

dp = [[0]*(w+1) for _ in range(n+1)]
for i in range(n):
    for sum_w in range(w+1):
        if sum_w + ws[i] <= w:
            dp[i+1][sum_w + ws[i]] = max(dp[i+1][sum_w + ws[i]], dp[i][sum_w]+v[i])
        dp[i+1][sum_w] = max(dp[i+1][sum_w], dp[i][sum_w])
print(dp[-1][-1])


### FIXED CODE ###

from pprint import pprint
n, w = map(int, input().split())
s = [list(map(int, input().split())) for i in range(n)]
ws = [x[0] for x in s]
vs = [x[1] for x in s]
max_v = sum(vs)
INF = float("inf")
dp = [[INF]*(max_v+1) for _ in range(n+1)]
dp[0][0] = 0
for i in range(1, n+1):
    for sum_v in range(max_v+1):
        if vs[i-1] <= sum_v:
            dp[i][sum_v] = min(dp[i-1][sum_v], dp[i-1][sum_v-vs[i-1]]+ws[i-1])
        else:
            dp[i][sum_v] = dp[i-1][sum_v]
ans = 0
for sum_v in range(max_v+1):
    if dp[n][sum_v] <= w:
        ans = sum_v
print(ans)
# -*- coding: utf-8 -*-
import numpy as np

a, b = map(str, raw_input().split())
i = int(a + b)

if i == int(np.sqrt(i)) ** 2:
    print "Yes"
else:
    print "No"




### FIXED CODE ###

# -*- coding: utf-8 -*-
import numpy as np

a, b = map(str, raw_input().split())
i = int(a + b)

if i == int(np.sqrt(i)) ** 2:
    print "Yes"
else:
    print "No"
N, M = map(int, input().split())
a = []
tmp = []
for i in range(N):
    tmp = list(map(str,input().split()))
    a.append(list(tmp[0]))

for i in range(1,N):
    for j in range(1,M):
        if a[i][j] == '#':
            if a[i][j - 1] != '#' and a[i - 1][j] != '#' and a[i][j + 1] != '#' and a[i + 1][j] != '#':
                print("No")
                exit()
        else:
            pass

print("Yes")

### FIXED CODE ###

H, W = map(int, input().split())
a = []
tmp = []
for i in range(H):
    tmp = list(map(str,input().split()))
    a.append(list(tmp[0]))

for i in range(H):
    for j in range(W):
        if a[i][j] == '#':
            if j - 1 >= 0 and a[i][j - 1] == "#":
                continue
            elif j + 1 < W and a[i][j + 1] == "#" :
                continue
            elif i + 1 < H and a[i + 1][j] == "#" :
                continue
            elif i - 1 >= 0 and a[i - 1][j] == "#":
                continue
            else:
                print("No")
                exit()
 
print("Yes")
x = input()
for i in range(100):
  for j in range(100):
    if(i**5-j**5 == x):
      print(str(i)+" "+str(j))
      return

### FIXED CODE ###

def main(x):
  for i in range(-120,120):
    for j in range(-120,120):
      if(i**5-j**5 == int(x)):
        print(str(i)+" "+str(j))
        return
 
if __name__ == '__main__':
  main(input())
import math
a,b = map(int,(input().split()))
print((a * b) // math.gcd(a,b))

### FIXED CODE ###

from fractions import gcd
a,b = map(int,(input().split()))
print((a * b) // gcd(a,b))
a,b = map(int,input().split())
if ord(a) == ord(b):
  print("=")
elif ord(a) > ord(b):
  print(">")
else:
  print("<")


### FIXED CODE ###

a,b = map(str,input().split())
if ord(a) == ord(b):
  print("=")
elif ord(a) > ord(b):
  print(">")
else:
  print("<")
alphabet = [chr(ord('a') + i) for i in range(26)]
s = list(input())
s = list(set(s))
s.sort()
for i in range(len(s)):
    if i == len(s) - 1:
        print(alphabet[i + 1])
        exit()
    elif s[i] == alphabet[i]:
        pass
    else:
        print(alphabet[i])
        exit()
print("None")

### FIXED CODE ###

alphabet = [chr(ord('a') + i) for i in range(26)]
s = list(input())
s = sorted(list(set(s)))
if len(s) == 26:
    print("None")
    exit()
for i in range(len(s)):
    if i == len(s) - 1:
        if s[i] == alphabet[i]:
            print(alphabet[i+1])
        else:
            print(alphabet[i])
        exit()
    if s[i] == alphabet[i]:
        pass
    else:
        print(alphabet[i])
        exit()
lis = [int(input()) for _ in range(6)]
if lis[0]/min(lis[1:]) == 1:
  print(5)
else:
  print(lis[0]//min(lis[1:])+5)

### FIXED CODE ###

From0 = ['0','1']*(10**6)
From1 = ['1','0']*(10**6)
s = list(input())
F0 = From0[:len(s)]
F1 = From1[:len(s)]
count_0 = 0
count_1 = 0
for i in range(len(s)):
  if s[i] != F0[i]:
    count_0 += 1
for i in range(len(s)):
  if s[i] != F1[i]:
    count_1 += 1
print(min(count_0,count_1))
a = list(map(int, input().split()))
b = list(map(int, input().split()))
c = list(map(int, input().split()))
n =  int(input())
lista = a+b+c
call_number = []
for i in range(n):
    k = int(input())
    call_number.append(k)
bingo_number_list = []
for m,n in enumerate(lista):
    if n in call_number:
        bingo_number_list.append(m)
    
list0 = [0,1,2]
list1 = [3,4,5]
list2 = [6,7,8]
list3 = [0,3,6]
list4 = [1,4,7]
list5 = [2,5,8]
list6 = [0,4,8]
list7 = [2,4,6]

for i in range(8):
    name = "list"+str(i)
    if set(name) <= set(lista):
        bingo += 1

if bingo > 0:
    print("Yes")
else:
    print("No")

### FIXED CODE ###

a = list(map(int, input().split()))
b = list(map(int, input().split()))
c = list(map(int, input().split()))
n =  int(input())
lista = a+b+c
call_number = []
for i in range(n):
    k = int(input())
    call_number.append(k)
bingo_number_list = []
for m,n in enumerate(lista):
    if n in call_number:
        bingo_number_list.append(m)
    
list0 = [0,1,2]
list1 = [3,4,5]
list2 = [6,7,8]
list3 = [0,3,6]
list4 = [1,4,7]
list5 = [2,5,8]
list6 = [0,4,8]
list7 = [2,4,6]
bingo = 0
for i in range(8):
    if set(list0) <= set(bingo_number_list):
        bingo += 1
    if set(list1) <= set(bingo_number_list):
        bingo += 1
    if set(list2) <= set(bingo_number_list):
        bingo += 1
    if set(list3) <= set(bingo_number_list):
        bingo += 1
    if set(list4) <= set(bingo_number_list):
        bingo += 1
    if set(list5) <= set(bingo_number_list):
        bingo += 1
    if set(list6) <= set(bingo_number_list):
        bingo += 1
    if set(list7) <= set(bingo_number_list):
        bingo += 1

if bingo > 0:
    print("Yes")
else:
    print("No")
def solve():
  l,r = (int(i) for i in input().split())
  mod = 2019
  l %= mod
  r %= mod
  ans = 10**15
  if l > r :
    print(0)
    exit()
  elif l == 0 or r == 0:
    print(0)
    exit()
  else:
    for i in range(l,r):
      for j in range(l+1,r+1):
        if i<j:
         ans = min(ans,(i*j)%mod)
  print(ans%mod)

solve()

### FIXED CODE ###

from collections import deque
def solve():
  n = int(input())
  a = list(int(i) for i in input().split())
  x1 = 0
  for i in range(n):
    if i%2 == 0:
      x1  += a[i]
    else:
      x1  -= a[i]
  query = deque([x1])
  x = x1
  for i in range(n-1):
    tmp = a[i]-x//2
    tmp *= 2
    query.append(tmp)
    x  = tmp
  print(*query)
solve()
import os
import sys
input = sys.stdin.buffer.readline
S = input().rstrip().decode()
ans = 0
for s in S:
    i = int(s)
    ans += min(i, 10-i)
if S[0] == '9' or int(S[1]) >= 6:
    ans += 1
print(ans)


### FIXED CODE ###

S = input()
dp = [0, 1]
for s in S:
    i = int(s)
    a = min(dp[0] + i,   dp[1] + 10 - i)
    b = min(dp[0] + i+1, dp[1] + 10 - (i+1))
    dp = [a, b]
    # print(dp)
print(dp[0])
from collections import defaultdict
from bisect import *
def solve():
  mod = 10**9+7
    d = defaultdict(lambda: [])
    N = int(input())
    for i in range(N):
        a = int(input())
        d[a].append(i)
    selist = []
    for l in d.values():
        for i in range(len(l)-1):
            if l[i+1]-1>l[i]:
                selist.append([l[i],l[i+1]-1])
    start_sort = sorted(selist)
    e_ind = {}
    for i,(s,e) in enumerate(start_sort):
        e_ind[e] = i
    ends = list(e_ind.keys())
    ends.sort()
    dp = [0]*(len(selist)+1)
    for i in range(1,len(selist)+1):
        dp[i] = dp[i-1]+1
        ind = bisect_left(ends,selist[i-1][0])
        if ind>0:
            j = e_ind[ends[ind-1]]
            dp[i] += dp[j+1]
            dp[i] %= mod
    ans = dp[-1]+1
    ans %= mod
    return ans
print(solve())


### FIXED CODE ###

from collections import defaultdict
from bisect import *
def solve():
    mod = 10**9+7
    d = defaultdict(lambda: [])
    N = int(input())
    for i in range(N):
        a = int(input())
        d[a].append(i)
    selist = []
    ends = [-1]
    for l in d.values():
        for i in range(len(l)-1):
            if l[i+1]-1>l[i]:
                selist.append([l[i],l[i+1]])
                ends.append(l[i+1])
    selist = [[-1,-1]]+sorted(selist,key=lambda x:x[1])
    # s_ind = {}
    # for i,(s,e) in enumerate(selist):
        # e_ind[e] = i
    # ends = list(e_ind.keys())
    ends.sort()
    dp = [0]*(len(selist))
    for i in range(1,len(selist)):
        dp[i] = dp[i-1]+1
        ind = bisect_right(ends,selist[i][0])
        dp[i] += dp[ind-1]
    ans = dp[-1]+1
    ans %= mod
    return ans
print(solve())
n,m,k=map(int,input().split())
ans=0
a=list(map(int,input().split()))
b=list(map(int,input().split()))

if sum(a)+sum(b) <= k:
    print(len(a)+len(b))
    exit()

while k >= a[0] or k >= b[0]:
    if len(a)==0:
        k-=b[0]
        ans+=1
        del b[0]
    elif len(b)==0:
        k-=a[0]
        ans+=1
        del a[0]
    elif a[0] < b[0]:
        k-=a[0]
        ans+=1
        del a[0]
    else:
        k-=b[0]
        ans+=1
        del b[0]
print(ans)
    

### FIXED CODE ###

import numpy as np
n,m,k=map(int,input().split())
A=list(map(int,input().split()))
B=list(map(int,input().split()))
ans=0
a=np.cumsum(A)
b=np.cumsum(B)
a=np.insert(a,0,0)
b=np.insert(b,0,0)
j=m
for i in range(n+1):
    if a[i] > k:
        break
    while b[j] > k-a[i]:
        j-=1
    ans=max(ans,i+j)
print(ans)