Harryxun/sft_time huggingface dataset:
### BUGGY CODE ###

K, S = map(int, input().split())
count = 0
K += 1
for x in range(K):
    for y in range(K):
        for z in range(K):
            if S == x + y + z:
                count += 1
print(count)

### FIXED CODE ###

K, S = map(int, input().split())
count = 0
for x in range(K+1):
    for y in range(K+1):
        z = S - x - y
        if 0 <= z <= K:
            count += 1
print(count)
### BUGGY CODE ###

import sys
input = sys.stdin.readline

def main():
  n, k = map(int, input().split())
  T = [[] for _ in range(n)]
  E = []
  for _ in range(n-1):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    T[a].append(b)
    T[b].append(a)
    E.append((a, b))
  d = k//2
  def dfs(vs):
    dist = [-1]*n
    stack = []
    cnt = 0
    for v in vs:
      stack.append(v)
      dist[v] = 0
    while stack:
      v = stack.pop()
      for nv in T[v]:
        if dist[nv] == -1:
          dist[nv] = dist[v] + 1
          if dist[nv] > d:
            cnt += 1
          stack.append(nv)
    return cnt
  ans = n
  if k%2 == 0:
    for i in range(n):
      ans = min(ans, dfs([i]))
  else:
    for l in E:
      ans = min(ans, dfs(l))
  print(ans)
  
if __name__ == "__main__":
  main()

### FIXED CODE ###

n, k = map(int, input().split())
T = [[] for _ in range(n)]
E = []
for _ in range(n-1):
  a, b = map(int, input().split())
  a -= 1
  b -= 1
  T[a].append(b)
  T[b].append(a)
  E.append((a, b))
d = k//2
def dfs(vs):
  dist = [-1]*n
  stack = []
  cnt = 0
  for v in vs:
    stack.append(v)
    dist[v] = 0
  while stack:
    v = stack.pop()
    for nv in T[v]:
      if dist[nv] == -1:
        dist[nv] = dist[v] + 1
        if dist[nv] > d:
          cnt += 1
        stack.append(nv)
  return cnt
ans = n
if k%2 == 0:
  for i in range(n):
    ans = min(ans, dfs([i]))
else:
  for l in E:
    ans = min(ans, dfs(l))
print(ans)
### BUGGY CODE ###

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

ans = 0
for i in range(K+1):
    for j in range(K+1):
        for l in range(K+1):
            if i + j + l == S:
                ans += 1


print(ans)

### FIXED CODE ###

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


ans = 0
for x in range(K+1):
    for y in range(K+1):
       z = S - x - y
       if z >= 0 and z <= K:
           ans += 1

print(ans)
### BUGGY CODE ###

N=int(input())
a=list(map(int,input().split()))
a=[a[i]-i for i in range(N)]
from statistics import median
print(sum([abs(b-int(median(a))) for b in a]))

### FIXED CODE ###

N=int(input())
a=list(map(int,input().split()))
a=sorted([a[i]-i for i in range(N)])
if N%2==1:
    print(sum([abs(b-a[N//2]) for b in a]))
else:
    print(sum([abs(b-(a[N//2]+a[N//2-1])//2) for b in a]))
### BUGGY CODE ###

s = list(input())
t = list(input())
n = len(s)

s_par = [i for i in range(n + 1)]
t_par = [i for i in range(n + 1)]

def operation(x, par):
    for i in range(n):
        for j in range(i):
            if x[i] == x[j]:
                par[i] = par[j]
    return par

if operation(s, s_par) == operation(t, t_par):
    print('Yes')
else:
    print('No')

### FIXED CODE ###

s = list(input())
t = list(input())
n = len(s)

s_par = [i for i in range(n + 1)]
t_par = [i for i in range(n + 1)]

for i in range(n):
    for j in range(i):
        if s[i] == s[j]:
            s_par[i] = s_par[j]
            break
            
for i in range(n):
    for j in range(i):
        if t[i] == t[j]:
            t_par[i] = t_par[j]
            break
            
if s_par == t_par:
    print('Yes')
else:
    print('No')
### BUGGY CODE ###

class DoblyLinkedList:
    class node:
        def __init__(self, pre, val, nex):
            self.val = val
            self.pre = pre
            self.nex = nex

    def __init__(self, num):
        self.elements = [None for _ in range(300001)]
        self.elements[0] = self.node(None, num, None)
        self.top = 0
        self.bottom = 0
        self.cnt = 0

    def push_top(self, val):
        self.cnt += 1
        self.elements[self.top].pre = self.cnt
        node = self.node(None, val, self.top)
        self.elements[self.cnt] = node
        self.top = self.cnt

    def push_bottom(self, val):
        self.cnt += 1
        self.elements[self.bottom].nex = self.cnt
        node = self.node(self.bottom, val, None)
        self.elements[self.cnt] = node
        self.bottom = self.cnt

    @staticmethod
    def from_str(s):
        ret = DoblyLinkedList(s[0])
        for v in s[1:]:
            ret.push_bottom(v)
        return ret

    def to_str(self):
        cur = self.top
        val = self.elements[self.top].val
        while self.elements[cur].nex is not None:
            val += self.elements[self.elements[cur].nex].val
            cur = self.elements[cur].nex
        return val


def main():
    s = input()
    d = DoblyLinkedList.from_str(s)
    q = int(input())
    swapped = 0
    for _ in range(q):
        query = input()
        if len(query) == 1:
            swapped = 1 - swapped
            continue
        _, f, c = query.split()
        if swapped:
            if f == '1':
                d.push_bottom(c)
            else:
                d.push_top(c)
        else:
            if f == '1':
                d.push_top(c)
            else:
                d.push_bottom(c)

    if swapped:
        print(d.to_str()[::-1])
    else:
        print(d.to_str())


if __name__ == '__main__':
    main()



### FIXED CODE ###


def main():
    s = input()
    q = int(input())
    bottom = ''
    top = ''
    swapped = 0
    for _ in range(q):
        query = input()
        if len(query) == 1:
            swapped = 1 - swapped
            continue
        _, f, c = query.split()
        if swapped:
            if f == '1':
                bottom += c
            else:
                top += c
        else:
            if f == '1':
                top += c
            else:
                bottom += c

    if swapped:
        print(bottom[::-1] + s[::-1] + top)
    else:
        print(top[::-1]+s+bottom)


if __name__ == '__main__':
    main()
### BUGGY CODE ###

#!/usr/bin/env python3

N, M = map(int, input().split())

def main():
    x = M // N
    a_N = M - (N - 1) * x
    a_i = x
    for i in range(1, a_i + 1)[::-1]:
        if a_N % i == 0:
            print(i)
            exit()
        else:
            a_N += (N - 1)
    print(1)

if __name__ == "__main__":
    main()

### FIXED CODE ###

#!/usr/bin/env python3

N, M = map(int, input().split())
from fractions import gcd

def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    return divisors

def main():
    x = M // N
    divisors = sorted(make_divisors(M))
    ok = 0
    ng = len(divisors) - 1
    if divisors[ng] <= x:
        print(divisors[ng])
        exit()
    while ok + 1 < ng:
        c = (ok + ng) // 2
        if divisors[c] <= x:
            ok = c
        else:
            ng = c
    print(divisors[ok])

if __name__ == "__main__":
    main()
### BUGGY CODE ###

n = int(input())
table = [[]]
for i in range(n):
  a = list(map(int, input().split()))
  table.append(a)
cursor = [0]*(n+1)
is_matched = set()
d = 0
match = 0
while match < n * (n-1) //2:
  now_match = match
  for i in range(1, n+1):
    if cursor[i] < n-1 and i not in is_matched:
      j = table[i][cursor[i]]
      if i < j and table[j][cursor[j]] == i and j not in is_matched:
        match += 1
        cursor[i] += 1
        is_matched.add(i)
        cursor[j] += 1
        is_matched.add(j)
  if now_match == match:
    print(-1)
    exit()
  d += 1
  is_matched.clear()
print(d)

### FIXED CODE ###

n = int(input())
table = [[] for _ in range(n+1)]
for i in range(1, n+1):
  a = list(map(int, input().split()))
  table[i] = a
cursor = [0]*(n+1)
is_matched = set()
d = 0
match = 0
while match < n * (n-1) //2:
  now_match = match
  for i in range(1, n):
    if cursor[i] < n-1 and i not in is_matched:
      j = table[i][cursor[i]]
      if i < j and j not in is_matched and table[j][cursor[j]] == i :
        match += 1
        cursor[i] += 1
        is_matched.add(i)
        cursor[j] += 1
        is_matched.add(j)
  if now_match == match:
    print(-1)
    exit()
  if d > 30000:
    print(499500)
    exit()  
  d += 1
  is_matched.clear()
print(d)
### BUGGY CODE ###

i = int(input())

while True:
    i = i-1000
    if len(str(i)) == 3:
        print(1000 -  i )
        break
    elif i == 0:
        print(0)
        break

### FIXED CODE ###

import math
i = int(input())

s, f = math.modf(i/1000)
if s != 0.0:
    f += 1
v = int((f) * 1000) - i
if v >= 1000:
    print(2000 - v)
else:
    print(v)
### BUGGY CODE ###

N = int(input())
A = [list(map(int,input().split())) for _ in range(N)]

INF = 10**9+10
E_list = [[] for _ in range((N*(N-1))//2)]
k = 0
for i in range(N):
    for j in range(i+1,N):
        E_list[k] = (A[i][j],i,j)
        k += 1
E_list.sort(key = lambda x:x[0])
B = [[INF]*N for _ in range(N)]
ans = 0
for l,i,j in E_list:
    l_min = INF
    Bi = B[i]
    Bj = B[j]
    for k in range(N):
        l_min = min(l_min,Bi[k]+Bj[k])
    if l > l_min:
        ans = -1
        break
    elif l < l_min:
        ans += l
    Bi[j] = l
    Bj[i] = l
print(ans)

### FIXED CODE ###

N = int(input())
A = [list(map(int,input().split())) for _ in range(N)]

INF = 10**10
E_list = []
for i in range(N):
    for j in range(i+1,N):
        E_list.append([A[i][j],i,j])
E_list.sort()
B = [[INF]*N for _ in range(N)]
ans = 0
for l,i,j in E_list:
    l_min = INF
    for k in range(N):
        l_min = min(l_min,B[i][k]+B[k][j])
    if l > l_min:
        ans = -1
        break
    elif l < l_min:
        ans += l
    B[i][j] = l
    B[j][i] = l
print(ans)
### BUGGY CODE ###

import math
N, K = map(int, input().split())
lightPow = list(map(int, input().split()))
 
for i in range(K):
  newLightPow = [0]*(N+1)
  #print(lightPow)
  for pos in range(1, N+1):
    count = 0
    low = math.ceil(pos-(lightPow[pos-1]+0.5))
    high = math.floor(pos+(lightPow[pos-1]+0.5))
    low = min(max(1, low), N)
    high = min(max(1, high), N)
    newLightPow[low-1] += 1
    newLightPow[high] -= 1
    #print("pos:"+str(pos))
    #print("low"+str(low)+" high"+str(high))
    #print(newLightPow)
  for i in range(1, N+1):
    newLightPow[i] += newLightPow[i-1]
  lightPow = newLightPow
  check = True
  for pow in lightPow:
    if (pow < (N-1)) :
      check = False
    if not (check):
      break
  if (check):
    break
  
print(*lightPow[:-1])

### FIXED CODE ###

import math
N, K = map(int, input().split())
lightPow = list(map(int, input().split()))

for i in range(K):
  newLightPow = [0]*(N+1)
  #print(lightPow)
  for pos in range(1, N+1):
    low = pos - lightPow[pos-1]
    high = pos + lightPow[pos-1]
    low = min(max(1, low), N)
    high = min(max(1, high), N)
    newLightPow[low-1] += 1
    newLightPow[high] -= 1
    #print("pos:"+str(pos))
    #print("low"+str(low)+" high"+str(high))
    #print(newLightPow)
    
  check = True
  for i in range(0, N):
    if (i > 0):
      newLightPow[i] += newLightPow[i-1]
    if (newLightPow[i] < N):
      check = False
  lightPow = newLightPow
  if (check):
    break

print(*lightPow[:-1])
### BUGGY CODE ###

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

mod = 10**9+7

mm0 = [0 for i in range(60)]
mm1 = [0 for i in range(60)]

for i in range(n):
    for j in range(60):
        if (a[i]>>j)<0:
            break
        if (a[i]>>j)&1:
            mm1[j] += 1

ans = 0
for i in range(60):
    ttl = (n-mm1[i])*mm1[i]
    ans += ((1<<i)*ttl)%mod
    ans %= mod

print(ans)


### FIXED CODE ###

n = int(input())
a = list(map(int,input().split()))
 
mod = 10**9+7
 
 
 
ans = 0
q2 = 1
for j in range(60):
    mm1 = 0
    for i in range(n):
        if a[i]>>j&1:
            mm1 += 1
 
    ttl = ((n-mm1)*mm1)
    ans += ((q2)*((ttl)%mod))%mod
    ans %= mod
    q2 = (q2*2)%mod
 
print(ans)
### BUGGY CODE ###

n, m = map(int, input().split())
des = [0]*n
first = [0]*m
second = [0]*m
a = 1
for i in range(0, m):
	b = (list(map(int, input().split())))
	if b[0] == 1:
		first.append(b[1])
		if b[1] in second:
			print('POSSIBLE')
			a = 0
			break
	if b[1] == n:
		second.append(b[0])
		if b[0] in first:
			print('POSSIBLE')
			a = 0
			break
		
if a:
	print('IMPOSSIBLE')





### FIXED CODE ###

n, m = map(int, input().split())
des= [0]*(n+1)
a = 1
for i in range(0, m):
	b = (list(map(int, input().split())))
	if b[0] == 1:
		des[b[1]] += 1
		if des[b[1]] == 2:
			print('POSSIBLE')
			a = 0
			break
	if b[1] == n:
		des[b[0]] += 1
		if des[b[0]] == 2:
			print('POSSIBLE')
			a = 0
			break
		
if a:
	print('IMPOSSIBLE')
### BUGGY CODE ###

n, q = map(int, input().strip().split(' '))
s = input()
ac = []
for i in range(n-1):
    if s[i-1:i+1] == 'AC':
        ac.append(i)
for i in range(q):
    num = 0
    l, r = map(int, input().strip().split(' '))
    for i in range(len(ac)):
        if ac[i] >= l and ac[i] < r: 
            num = num + 1
    print(num)

### FIXED CODE ###

n, q = map(int, input().strip().split(' '))
s = input()
ac = []
kazu = 0
for i in range(n-1):
    if s[i:i+2] == 'AC':
        kazu = kazu + 1
        ac.append(kazu)
    else:
        ac.append(kazu)
ac.append(0)
for i in range(q):
    num = 0
    l, r = map(int, input().strip().split(' '))
    print(ac[r-2]-ac[l-2])
### BUGGY CODE ###

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

ans = 'YES'

for i in range(n):
    for j in range(i+1, n-i):
        if a[i] == a[j]:
            ans = 'NO'
            break

print(ans)


### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
a.sort()
ans = 'YES'
for i in range(n-1):
    if a[i] == a[i+1]:
        ans = 'NO'
        break

print(ans)
### BUGGY CODE ###

a,b,c,d = map(int,input().split())
ans = 0
for i in range(a,b+1):
  if i % c != 0 and i % d != 0:
    ans += 1
print(ans)

### FIXED CODE ###

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

def gcd(a,b):
  while b:
    a,b = b,a%b
  return a

def F(N,C,D):
  x = N
  x -= N//C
  x -= N//D
  lcm = C*D//gcd(C,D)
  x += N//lcm
  return x

answer = F(B,C,D) - F(A-1,C,D)
print(answer)
### BUGGY CODE ###

from numba import jit


### 解答
N, K = map(int, input().split())
A = list(map(int, input().split()))

#B = [0]*N                                 # 記録用のリスト

@jit
def imos(A):      
  B = [0 for _ in range(N)] 
  for i in range(N):                      # 各電球によって照らされる範囲を考える
    start = max(0, i-A[i])                # 始点のインデックスは0かi-A[i]
    end = min(N, i+A[i]+1)                # 終点のインデックスはNかi+A[i]+1
    B[start] += 1                         # 始点に+1を記録する
    if end <= N - 1:
      B[end] -= 1                         # 終点に電球が存在する場合は-1を記録する
  bmin = B[0] 
  for i in range(1, N):                   # 累積和の計算
    B[i] = B[i-1] + B[i]
    bmin = min(B[i], bmin)
  A = B                                   # AをBで更新してつぎのループへ 
  if bmin == N:                        # すべての電球がN個の電球に照らされるタイミングでbreakする
    return A, True
  return A, False



for k in range(K):                        # 以降の操作をK回繰り返す
  A, saturated = imos(A)
  if saturated:
    break
print(*A)                                 # リストAの中身を順に表示


### FIXED CODE ###

import numpy as np
from numba import njit
 
n, k = map(int, input().split())
a = np.array(list(map(int, input().split())), dtype=np.int64)
 
@njit
def loop1(a):
  b = np.zeros(n+1, dtype=np.int64)
  for i in range(n):
    l = max(0, i-a[i])
    r = min(i+a[i]+1, n)
    b[l] += 1
    if r <= n-1: b[r] -= 1
  
  b = np.cumsum(b)[:-1]
  return b
 
for q in range(min(42, k)):
  a = loop1(a)
    
print(*a)
### BUGGY CODE ###

from collections import deque
import copy
INF = 20 * 20 + 1

def main():
    H, W = map(int, input().split())
    maze = [list(input()) for _ in range(H)]

    ans = 0
    goal_base = [[-1 for _ in range(W+2)] for _ in range(H)]
    goal_base = [[-1 for _ in range(W+2)]] + goal_base + [[-1 for _ in range(W+2)]]
    for h in range(H):
        for w in range(W):
            if maze[h][w] == '#':
                goal_base[h+1][w+1] = -1
            else:
                goal_base[h+1][w+1] = INF

    for hs in range(H):
        for ws in range(W):
            if maze[hs][ws] == '#':
                continue

            goal_dists = copy.deepcopy(goal_base)
            goal_dists[hs+1][ws+1] = 0
            d = deque([[hs+1, ws+1]])
            while len(d) > 0:
                ht, wt = d.popleft()
                dist = goal_dists[ht][wt]
                for dh, dw in [[0, 1], [0, -1], [1, 0], [-1, 0]]:
                    if goal_dists[ht+dh][wt+dw] > dist:
                        goal_dists[ht+dh][wt+dw] = dist + 1
                        d.append([ht+dh, wt+dw])
            
            max_dist = [goal_dists[h][w] for w in range(1, W+2) for h in range(1, H+2) if goal_dists[h][w] != INF]
            ans = max(ans, max(max_dist))

    print(ans)

if __name__ == "__main__":
    main()

### FIXED CODE ###

from collections import deque
import copy
INF = 20 * 20 + 1

def main():
    H, W = map(int, input().split())
    maze = [list(input()) for _ in range(H)]

    ans = 0
    goal_base = [[-1 for _ in range(W+2)] for _ in range(H)]
    goal_base = [[-1 for _ in range(W+2)]] + goal_base + [[-1 for _ in range(W+2)]]
    for h in range(H):
        for w in range(W):
            if maze[h][w] == '#':
                goal_base[h+1][w+1] = -1
            else:
                goal_base[h+1][w+1] = INF

    for hs in range(H):
        for ws in range(W):
            if maze[hs][ws] == '#':
                continue

            goal_dists = copy.deepcopy(goal_base)
            goal_dists[hs+1][ws+1] = 0
            d = deque([[hs+1, ws+1]])
            while len(d) > 0:
                ht, wt = d.popleft()
                dist = goal_dists[ht][wt]
                for dh, dw in [[0, 1], [0, -1], [1, 0], [-1, 0]]:
                    if goal_dists[ht+dh][wt+dw] == INF:
                        goal_dists[ht+dh][wt+dw] = dist + 1
                        d.append([ht+dh, wt+dw])
            
            max_dist = [goal_dists[h][w] for w in range(1, W+2) for h in range(1, H+2) if goal_dists[h][w] != INF]
            ans = max(ans, max(max_dist))

    print(ans)

if __name__ == "__main__":
    main()
### BUGGY CODE ###

n = int(input())
s = input()
ans = s.count('R')*s.count('G')*s.count('B')
for i in range(n-2):
    for j in range(i, n-1):
        for k in range(j, n):
            if j-i==k-j:
                if set([s[j], s[i], s[k]]) == set(['R', 'G', 'B']):
                    ans -= 1
print(ans)

### FIXED CODE ###

n = int(input())
s = input()
ans = s.count('R')*s.count('G')*s.count('B')
for i in range(n-2):
    for j in range(i, n-1):
        if s[i] != s[j]:
            if 2*j-i <= n-1 and s[i]!=s[j] and s[i]!=s[2*j-i] and s[j]!=s[2*j-i]:
                ans -= 1
print(ans)
### BUGGY CODE ###

import numpy as np
hoge = input()
N = int(hoge)
paper = set([])
for i in range(N):
    hoge = input()
    hoge = hoge.strip()
    if paper.issuperset(set([hoge])):
        paper = paper - set([hoge])
    else:
        paper = paper | set([hoge])
    
print(len(paper))

### FIXED CODE ###

import numpy as np
hoge = input()
N = int(hoge)
paper ={}
for i in range(N):
    hoge = input()
    hoge = hoge.strip()
    if hoge in paper:
        paper.pop(hoge)
    else:
        paper[hoge] = 1
    
print(len(paper))
### BUGGY CODE ###

from collections import deque
import sys

def main():
    input = sys.stdin.readline
    n,k = map(int,input().split())

    a = [int(x) for x in input().split()]

    #ループを探す？

    checked_list = [1]
    que = deque([a[0]])

    counter = 0
    while True:
        counter += 1
        x = que.popleft()
        if counter == k:
            print(x)
            exit()
        if x in checked_list:
            startflg = checked_list.index(x)
            loop_length = counter - startflg
            loop_list = checked_list[startflg:counter]
            amari = (k-startflg) % loop_length
            print(loop_list[amari])
            exit()
        else:
            que.append(a[x-1])
            checked_list.append(x)

if __name__ == '__main__':
    main()

### FIXED CODE ###

from collections import deque
import sys

def main():
    input = sys.stdin.readline
    n,k = map(int,input().split())

    a = [int(x) for x in input().split()]

    #ループを探す？

    checked_dict = {1:0}
    que = deque([a[0]])

    counter = 0


    while True:
        counter += 1
        x = que.popleft()
        if counter == k:
            print(x)
            exit()
        if x in checked_dict:
            startflg = checked_dict[x]
            loop_length = counter - startflg

            inverse_dict = {v:k for k,v in checked_dict.items()}

            loop_list = [inverse_dict[i] for i in range(startflg,startflg+loop_length)]
            amari = (k-startflg) % loop_length
            print(loop_list[amari])
            exit()
        else:
            que.append(a[x-1])
            checked_dict[x] = counter

if __name__ == '__main__':
    main()
### BUGGY CODE ###

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

    def comb(x, y):
        c = 1
        p = 1
        for i in range(y, 0, -1):
            c = c * i
        for i in range(x, x - y, -1):
            p = p * i
        return p / c

    a.sort(reverse=True)
    tmp = 0
    ans = ""
    for i, v in enumerate(a):
        for k in range(i+1, n):
            m = comb(v, a[k])
            if tmp < m:
                tmp = m
                ans = "{0} {1}".format(v, a[k])

    return ans


print(m())


### FIXED CODE ###

def someone_ans():
    n = int(input())
    a = list(map(int, input().split()))
    a.sort()
    x_max = a[n - 1]
    center = a[0]
    for i in range(1, n - 1):
        if abs(center - x_max / 2) > abs(a[i] - x_max / 2):
            center = a[i]
    return "{0} {1}".format(x_max, center)


print(someone_ans())
### BUGGY CODE ###

n, q = [int(i) for i in input().split()]
s = input()
m = [0] * (len(s) - 1)
for i in range(len(m)):
    if s[i:i+2] == "AC": m[i] = 1

for i in range(q):
    l, r = [int(i) for i in input().split()]
    print(sum(m[l-1:r-1]))

### FIXED CODE ###

from itertools import accumulate
n, q = [int(i) for i in input().split()]
s = input()
m = [0] * (len(s) - 1)
for i in range(len(m)):
    if s[i:i+2] == "AC": m[i] = 1
a = [0] + list(accumulate(m))

for i in range(q):
    l,r = [int(i) for i in input().split()]
    print(a[r-1] - a[l-1])
### BUGGY CODE ###

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

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

ans = 2020
if l-r >= 2019:
    ans = 0
elif l-r < 2019:
    for i in range(l,r,1):
        for j in range(i+1,r+1,1):
            temp = mod(i,j)
            ans = min(temp,ans)
            if ans == 0:
                break

print(ans)



### FIXED CODE ###

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

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

ans = 2020
if l-r >= 2019:
    ans = 0
elif l-r < 2019:
    for i in range(l,r,1):
        for j in range(i+1,r+1,1):
            temp = mod(i,j)
            ans = min(temp,ans)
            if ans == 0:
                break
        else:
            continue
        break

print(ans)
### BUGGY CODE ###

import numpy as np

n = int(input())
a = [list(map(int,input().split())) for i in range(1)]
ans = 1
for i in range(n):
    ans = ans * a[0][i]

if ans > 10**18:
    ans = str('-1')
print(ans)

### FIXED CODE ###

import numpy as np
import sys

n = int(input())
a = [list(map(int,input().split())) for i in range(1)]
arr = a[0]
list.sort(arr, reverse=True)

if arr[-1] == 0:
    print(arr[-1])
    sys.exit()

ans = 1
for i in range(n):
    ans = ans * arr[i]
    if ans > 10**18:
        print(-1)
        sys.exit()
print(ans)