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

class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

N = int(input())
X = []
Y = []
for i in range(N):
    x, y = map(int,input().split())
    X.append((x, i))
    Y.append((y, i))
X.sort()
Y.sort()
Distance = []
for i in range(N-1):
    Distance.append((X[i+1][0] - X[i][0], X[i][1], X[i+1][1]))
    Distance.append((Y[i+1][0] - Y[i][0], Y[i][1], Y[i+1][1]))
Distance.sort()
UFT = UnionFind(N)
ans = 0
for i in range(2*(N-1)):
    d, p, q = Distance[i]
    if not UFT.same(p, q):
        UFT.union(p, q)
        ans += d
    if UFT.size(0) == N:
        break
print(ans)

### FIXED CODE ###

class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

N = int(input())
X = []
Y = []
for i in range(N):
    x, y = map(int,input().split())
    X.append((x, i))
    Y.append((y, i))
X.sort()
Y.sort()
Distance = []
for i in range(N-1):
    Distance.append((X[i+1][0] - X[i][0], X[i][1], X[i+1][1]))
    Distance.append((Y[i+1][0] - Y[i][0], Y[i][1], Y[i+1][1]))
Distance.sort()
UFT = UnionFind(N)
ans = 0
for i in range(2*(N-1)):
    d, p, q = Distance[i]
    if not UFT.same(p, q):
        UFT.union(p, q)
        ans += d
    if UFT.size(0) == N:
        break
print(ans)
### BUGGY CODE ###

H,N = map(int,input().split())
MAXH = H+10000
DP = [float("inf")]*MAXH
DP[0] = 0
for i in range(N):
    a,b = map(int,input().split())
    for j in range(MAXH):
        if j+a>MAXH-1:break
        DP[j+a] = min(DP[j+a],DP[j]+b)
print(min(DP[H:]))

### FIXED CODE ###

H,N = map(int,input().split())
MAXH = H+10000
DP = [float("inf")]*MAXH
DP[0] = 0
for i in range(N):
    a,b = map(int,input().split())
    for j in range(MAXH-a):
        if j>H+a:break
        DP[j+a] = min(DP[j+a],DP[j]+b)
print(min(DP[H:]))
### BUGGY CODE ###

n, m=map(int, input().split())
prices=list(map(int, input().split()))
for i in range(m):
  prices=sorted(prices,reverse=True)
  prices[0]=prices[0]>>1
print(sum(prices))

### FIXED CODE ###

import heapq

n, m=map(int, input().split())
A=list(map(lambda x:int(x)*(-1), input().split()))
heapq.heapify(A)

for _ in range(m):
  temp=(-1)*heapq.heappop(A)>>1
  heapq.heappush(A, temp*(-1))
print(-sum(A))
### BUGGY CODE ###

import numpy as np
import sys
input = sys.stdin.readline
def IL(): return list(map(int,input().split()))
def SL(): return input().split()
def I(): return int(sys.stdin.readline())
def S(): return input()

N,M,Q = IL()

l = [[] for i in range(N+1)]

for i in range(M):
    a,b = IL()
    l[a].append(b)

for i in l:
    i.sort()

Ql = [IL() for i in range(Q)]

for i in range(Q):
    cnt = 0
    start, end = Ql[i]
    for j in range(start,end+1):
        for k in range(len(l[j])):
            if l[j][k] <= end:
                cnt += 1
    print(cnt)

### FIXED CODE ###

import numpy as np
import sys
input = sys.stdin.readline
def IL(): return list(map(int,input().split()))
def SL(): return input().split()
def I(): return int(sys.stdin.readline())
def S(): return input()

def imos():
  for j in range(N+1):
    cnt = 0
    for i in range(N+1):
      tmp = l[j][i]
      l[j][i] += cnt
      cnt += tmp

  for j in range(N+1):
    cnt = 0
    for i in range(N+1):
      tmp = l[i][j]
      l[i][j] += cnt
      cnt += tmp

N,M,Q = IL()
l = [[0]*(N+1) for i in range(N+1)]
for i in range(M):
  a,b = IL()
  l[1][b] += 1
  if a+1 <= N:
    l[a+1][b] += -1

imos()

ans = [IL() for i in range(Q)]
for i in range(Q):
    print(l[ans[i][0]][ans[i][1]])
### BUGGY CODE ###

#!/usr/bin/env python3

S = input()
lis_2019 = [str(2019 * i) for i in range(1, 99)]
cnt = 0
S_len = len(S)
cnt_1 = 0
S_lis = [S]

for i in range(4, S_len):
    while cnt_1 != S_len - i + 1:
        if S[cnt_1:cnt_1+i] in lis_2019:
            cnt += 1
        cnt_1 += 1
    cnt_1 = 0

print(cnt)


### FIXED CODE ###

#!/usr/bin/env python3

S = input()[::-1]

counts = [0] * 2019
counts[0] = 1

num, d = 0, 1

for i in S:
    num += int(i) * d
    num %= 2019
    d *= 10
    d %= 2019
    counts[num] += 1

ans = 0
for i in counts:
    ans += i * (i - 1) // 2

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

R,G,B,N=(int(x) for x in input().split())
count=0
for r in range(0,N+1):
    if (r*R>N):
        break
    for g in range(0,N-r*R+1):
        if(r*R-g*G>N):
            break
        elif((N-r*R-g*G)%B==0 and (N-r*R-g*G)/B>=0):
            count+=1
print(count)

### FIXED CODE ###

R,G,B,N=(int(x) for x in input().split())
count=0
for r in range(0,N+1):
    if (r*R>N):
        break
    for g in range(0,N-r*R+1):
        if(r*R-g*G>N):
            break
        elif((N-r*R-g*G)%B==0 and (N-r*R-g*G)/B>=0):
            count+=1
print(count)
### BUGGY CODE ###

import sys
import numpy as np
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(500000)

N, *P = map(int, read().split())
P = np.array(P)

cnt = 0
for i in range(N):
    acc = P >= P[i]
    if acc[:i + 1].sum() == i + 1:
        cnt += 1

print(cnt)


### FIXED CODE ###

import sys
import numpy as np
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(500000)

N, *P = map(int, read().split())
P = np.array(P)

acc = P[0]
cnt = 0
for p in P:
    if acc >= p:
        cnt += 1
    acc = min(acc, p)

print(cnt)
### BUGGY CODE ###

def BC132_E():
    n, m = list(map(int, input().split(' ')))
    e = [[] for _ in range(n)]
    for _ in range(m):
        u, v = list(map(int, input().split(' ')))
        e[u - 1].append(v - 1)
    s, t = list(map(int, input().split(' ')))
    s, t = s - 1, t - 1
    stack, visited = [(s, 0)], set()
    while stack:
        i, d = stack.pop(0)
        if i == t: return d
        if i in visited:
            continue
        visited.add(i)
        a = set()
        for j in e[i]:
            a.update(e[j])
        b = set()
        for j in list(a):
            b.update(e[j])
        if t in b:
            return d + 1
        else:
            stack += [(x, d + 1) for x in list(b)]
    return -1


print(BC132_E())

### FIXED CODE ###

def BC132_E():
    n, m = list(map(int, input().split(' ')))
    e = [[] for _ in range(n)]
    for _ in range(m):
        u, v = list(map(int, input().split(' ')))
        e[u - 1].append(v - 1)
    s, t = list(map(int, input().split(' ')))
    s, t = s - 1, t - 1
    stack, visited = [(s, 0)], set()
    a, b = set(), set()
    while stack:
        i, d = stack.pop(0)
        if i == t: return d
        if i in visited:
            continue
        visited.add(i)
        v = set()
        for j in e[i]:
            if j in a: continue
            a.add(j)
            for k in e[j]:
                if k in b: continue
                b.add(k)
                v.update(e[k])
        if t in v:
            return d + 1
        else:
            stack += [(x, d + 1) for x in list(v)]
    return -1


print(BC132_E())
### BUGGY CODE ###

A, B, C, K = map(int,input().split())
cnt = 0
sum = 0
for i in range(A):
  if cnt == K:
    print(sum)
    exit()
  sum = sum + 1
  cnt = cnt + 1
for j in range(B):
  if cnt == K:
    print(sum)
    exit()
  sum = sum + 0
  cnt = cnt + 1
for k in range(C):
  if cnt == K:
    print(sum)
    exit()
  sum = sum + (-1)
  cnt = cnt + 1

### FIXED CODE ###

A, B, C, K = map(int,input().split())
cnt = 0
sum = 0
if A >= K:
  print(K)
if A< K <=(A+B):
  print(A)
if (A+B) < K <= (A+B+C):
  print(A-(K-A-B))
### BUGGY CODE ###

from random import shuffle
N = 500
P = list(range(N*N))#[int(c)-1 for c in input().split()]
shuffle(P)
import numba
import numpy as np
#N = int(input())
#P = [int(c)-1 for c in input().split()]
Mat = [[min(y, N-1-y, x, N-1-x) for y in range(N)] for x in range(N)]
Mat = np.array(Mat)
Removed = np.zeros((N, N), dtype=np.bool)
Dy, Dx = [1,0,-1,0], [0,1,0,-1]
@numba.jit()
def proc():
    ans = 0
    closed = np.zeros((N,N), dtype=np.bool)
    for i in range(N):
        p = P[i]
        y, x = divmod(p, N)
        ans += Mat[y][x]
        #print(p, Mat[y][x])
        Removed[y][x] = True
        #Mat[y][x] -= 1
        st = [(y, x)]
        clsd = [(y, x)]
        closed[y][x] = True
        while st:
            vy, vx = st.pop()
            vr = Removed[vy][vx]
            val = Mat[vy][vx]
            for dy, dx in zip(Dy, Dx):
                uy = vy + dy
                ux = vx + dx
                if not (0<=uy<N and 0<=ux<N):
                    continue
                if closed[uy][ux]:
                    continue
                ur = Removed[uy][ux]
                if vr:
                    if Mat[uy][ux] >= val+1:
                        Mat[uy][ux] = val
                        st.append((uy, ux))
                else:
                    if Mat[uy][ux] >= val+2:
                        Mat[uy][ux] = val+1
                        st.append((uy, ux))
        for y, x in clsd:
            closed[y][x] = False
    # for m in Mat:
    #     print(m)
    print(ans)
proc()



### FIXED CODE ###

import numba
import numpy as np
N = int(input())
P = np.array([int(c)-1 for c in input().split()])

#from random import shuffle
#N = 500
#P = list(range(N*N))
#shuffle(P)
#P = np.array(P)

@numba.njit("void(i8,i8[:])")
def proc(N, P):
    ans = 0
    Removed = np.zeros((500, 500), dtype=np.int8)
    Mat = np.zeros((500, 500), dtype=np.int16)
    Dy, Dx = [1,0,-1,0], [0,1,0,-1]

    for y in range(N):
        for x in range(N):
            Mat[y, x] = min(y, N-1-y, x, N-1-x)
    #print(Mat)
    for i in range(N*N):
        p = P[i]
        y, x = divmod(p, N)
        ans += Mat[y,x]
        Removed[y,x] = 1
        st = [(y, x)]
        while st:
            vy, vx = st.pop()
            vr = Removed[vy,vx]
            val = Mat[vy,vx]
            #for dy, dx in zip(Dy, Dx):
            for j in range(4):
                dy = Dy[j]
                dx = Dx[j]
                uy = vy + dy
                ux = vx + dx
                if not (0<=uy<N and 0<=ux<N):
                    continue
                ur = Removed[uy,ux]
                if vr:
                    if Mat[uy,ux] >= val+1:
                        Mat[uy,ux] = val
                        st.append((uy, ux))
                else:
                    if Mat[uy,ux] >= val+2:
                        Mat[uy,ux] = val+1
                        st.append((uy, ux))
    # for m in Mat:
    #     print(m)
    print(ans)
proc(N, P)
### BUGGY CODE ###

def gcd(a, b):
    while a != b:
        if (a != 1 and b != 1):
            if a < b:
                b = b % a
            elif a > b:
                a = a % b
            else:
                break
    if (a == 1 or b == 1):
        return 1
    else:
        return a

def lcm(a, b):
    return (a * b) // gcd(a, b)


n = int(input())
ans = 1
for i in range(n):
    tmp = int(input())
    ans = lcm(ans, tmp)
print(ans)


### FIXED CODE ###

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

def lcm(a, b):
    return (a * b) // gcd(a, b)


n = int(input())
ans = 1
for i in range(n):
    tmp = int(input())
    ans = lcm(ans, tmp)
print(ans)
### BUGGY CODE ###

N = int(input())
p = 1
for i in range(1,N + 1):
    p *= i
print(p % (10 ** 9 + 7))


### FIXED CODE ###

N = int(input())
p = 1
mod = 10 ** 9 + 7
for i in range(1,N + 1):
    p = (p*i) % mod
print(p)
### BUGGY CODE ###

X=int(input())

for i in range(1,int(pow(X,0.5)+1)):
  if X%i==0:
    s=int(pow(X/i/4,1/4))
    l,u=s-X//i,s+X//i+1
    for j in range(l,u):
      if X==(j+i)**5-j**5:
        print(j+i,j)
        exit()


### FIXED CODE ###

X=int(input())

for a in range(-118,120):
  for b in range(-119,119):
    if X==a**5-b**5:
      print(a,b)
      exit()
### BUGGY CODE ###

n = int(input())
a = list()
for i in range(n):
    x = input()
    a.append(int(x))
second = sorted(a)[-2]
m = max(a)
for i in range(n):
    if max(a) == a[i] and a.count(a[i]) == 1:
        print(second)
    else:
        print(m)

### FIXED CODE ###

n = int(input())
a = list()
for i in range(n):
    x = input()
    a.append(int(x))
second = sorted(a)[-2]
m = max(a)
for i in range(n):
    if m == a[i]:
        print(second)
    else:
        print(m)
### BUGGY CODE ###

def main():
    n = input()
    D = []
    O = []
    for i in range(n):
        c, k = raw_input().split()
        if c == 'insert':
            D.append(k)
        else:
            O.append(search(D,k))

    for item in O:
        print item

    return 0


def search(D,k):
    Dc = D[:]
    o = 'no'
    while Dc != []:
        d = Dc.pop()
        if d == k:
            o = 'yes'
            break

    return o
            

if __name__ == "__main__":
    main()

### FIXED CODE ###

m = 2000003

def MyHash(k,i):
    return (k%m+i*(1+(k%m)))%m

def main():
    n = input()
    T = ['']*2000003
    O = []
    for i in range(n):
        c, k = raw_input().split()
        i = 0
        if c == 'insert':
            k_hashed = hash(k)
            while True:
                j = MyHash(k_hashed,i)
                if T[j] == '':
                    T[j] = k
                    break
                else:
                    i += 1
        else:
            O.append(search(T,k))

    for item in O:
        print item

    return 0


def search(T,k):
    k_hashed = hash(k)
    i = 0
    while True:
        j = MyHash(k_hashed,i)
        if T[j] == k:
            o = 'yes'
            break
        elif T[j] == '':
            o = 'no'
            break
        else:
            i += 1

    return o


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

from collections import defaultdict
import sys
sys.setrecursionlimit(10**7)
n = int(input())
A = []
ans = 0
nodes = set()
adjacent_list = defaultdict(list)
for i in range(n):
    tmp = list(map(int, input().split()))
    pre = tmp[0] - 1
    for j in range(1, len(tmp)):
        l, g = min(i, tmp[j] - 1), max(i, tmp[j] - 1 )
        pre_l, pre_g = min(i, pre), max(i, pre) 
        adjacent_list[pre_l * n + pre_g].append(l * n + g)
        nodes.add(pre_l * n + pre_g)
        nodes.add(l * n + g)
        pre = tmp[j] - 1
nodes = list(nodes)
#まず、閉路検
seen = defaultdict(lambda: False)
visited = defaultdict(lambda: False)
def check(node):
    if visited[node]:
        return
    seen[node] = True
    for i in adjacent_list[node]:
        if seen[i] and (not visited[i]):
            print(-1)
            exit()
        check(i)
    visited[node] = True
def dfs_path(node):
    if len(adjacent_list[node]) == 0:
        return 1
    if node in finish:
        return finish[node]
    tmp = 0
    for i in adjacent_list[node]:
        tmp = max(tmp, dfs_path(i) + 1)
    finish[node] = max(tmp, finish[node])
    return finish[node]
finished = set()

for i in nodes:
    check(i)
finish = defaultdict(int)
for i in nodes:
    dfs_path(i)
print(max(max(finish.values()), 1))

### FIXED CODE ###

from collections import defaultdict
import sys
sys.setrecursionlimit(10**7)
input = sys.stdin.readline
n = int(input())
A = []
M = [[-1 for _ in range(n)] for _ in range(n)]
cnt = 0
for i in range(n):
    for j in range(i+1,n):
        M[i][j] = cnt
        M[j][i] = cnt
        cnt += 1
ans = 0
nodes = []
adjacent_list = [[] for i in range(n*(n-1)//2)]
for i in range(n):
    tmp = list(map(int, input().split()))
    pre = tmp[0] - 1
    for j in tmp[1:]:
        adjacent_list[M[i][pre]].append(M[i][j-1])
        pre = j - 1
#まず、閉路検
seen = defaultdict(lambda: False)
visited = defaultdict(lambda: False)
def check(node):
    if visited[node]:
        return
    seen[node] = True
    for i in adjacent_list[node]:
        if seen[i] and (not visited[i]):
            print(-1)
            exit()
        check(i)
    visited[node] = True
def dfs_path(node):
    if not adjacent_list[node]:
        return 1
    if finish[node]:
        return finish[node]
    tmp = 0
    for i in adjacent_list[node]:
        tmp = max(tmp, dfs_path(i) + 1)
    finish[node] = tmp
    return finish[node]
finished = set()
finish = [0 for i in range(n*(n-1)//2)]
for i in range(n*(n-1)//2):
    check(i)
    dfs_path(i)
print(max(max(finish), 1))
### BUGGY CODE ###

#英小文字からなる文字列 S が与えられます。T が空文字列である状態から始めて、以下の操作を好きな回数繰り返すことで S=T とすることができるか判定してください。
#T の末尾に "dream", "dreamer", "erase", "eraser" のいずれかを追加する。


s=input()
s1="dream"
s2="dreamer"
s3="erase"
s4="eraser"
l=len(s)

rest="NO"

while l>4:
	if s[-5:]==s1 or s[-5:]==s3:
		s=s[0:-5]
		l=l-5
	elif s[-6:]==s4:
		s=s[0:-6]
		l=l-6
	elif s[-7:]==s2:
		l=l-7
		s=s[0:-7]

if l==0:
	rest="YES"

print(rest)

### FIXED CODE ###

#英小文字からなる文字列 S が与えられます。T が空文字列である状態から始めて、以下の操作を好きな回数繰り返すことで S=T とすることができるか判定してください。
#T の末尾に "dream", "dreamer", "erase", "eraser" のいずれかを追加する。


s=input()
s1="dream"
s2="dreamer"
s3="erase"
s4="eraser"
l=len(s)

rest="NO"

while l>4:
	if s[-5:]==s1 or s[-5:]==s3:
		s=s[0:-5]
		l=l-5
	elif s[-6:]==s4:
		s=s[0:-6]
		l=l-6
	elif s[-7:]==s2:
		l=l-7
		s=s[0:-7]
	else:
		break

if l==0:
	rest="YES"

print(rest)
### BUGGY CODE ###

#abc177_B_2_最後にあまり
int_n = int(input())
list_tmp = list(map(int, input().split()))
 
#print(int_n, list_tmp)
 
int_sum = 0
int_divide = (10**9) + 7
 
for i in range(0, len(list_tmp) - 1):
  for j in range(i + 1, len(list_tmp)):
    #print(i, j)
    # print(list_tmp[i] * list_tmp[j])
    int_sum = ((int_sum + (list_tmp[i] * list_tmp[j]))) #((list_tmp[i] * list_tmp[j]) )
#print(int_sum)
print(int_sum % int_divide)

### FIXED CODE ###

#abc177_C_6_retry_累積和を使用する
int_n = int(input())
list_tmp = list(map(int, input().split()))
 
int_sum = 0
int_divide = (10**9) + 7
int_sum_tmp = sum(list_tmp)

for i in range(0, len(list_tmp) - 1):
  int_sum_tmp = int_sum_tmp - list_tmp[i]
  int_sum = int_sum + (int_sum_tmp * list_tmp[i])
print(int_sum % int_divide)
#  for j in range(i + 1, len(list_tmp)):
#    if list_tmp[i] >= int_divide:
#      list_tmp_i = list_tmp[i]%int_divide
#    else:
#      list_tmp_i = list_tmp[i]
#      
#    if list_tmp[j] >= int_divide:
#      list_tmp_j = list_tmp[j]%int_divide
#    else:
#      list_tmp_j = list_tmp[j]    
#    
#    int_sum = int_sum + (list_tmp_i*list_tmp_j)
#    
#    if int_sum >= int_divide:
#      int_sum = int_sum%int_divide
#      
#print(int_sum)
### BUGGY CODE ###

def main():
    n = int(input())
    s = list(input())

    if n <= 3:
        print(0)
        exit()
    r = 0
    for ia in range(0,n-3):
        for ib in range(ia+1, n-1):
            ta = s[ia]
            if s[ia] == s[ib]:
                pass
            else:
                sa = ib - ia
                cnt = 1
                ts = s[ib+1:]
                for ets in ts:
                    if cnt == sa:
                        pass
                    elif s[ib] != ets != ta:
                        r += 1
                    cnt += 1

    print(r)

if __name__ == '__main__':
    main()

### FIXED CODE ###

def main():
    n = int(input())
    s = list(input())
    sr = [0] * n
    sg = [0] * n
    sb = [0] * n
    for i1 in range(n):
        ts = s[i1]
        if ts == 'R':
            sr[i1] = 1
        elif ts == 'G':
            sg[i1] = 1
        else:
            sb[i1] = 1
    if n <= 3:
        print(0)
        exit()
    r = 0
    for ia in range(0,n-3):
        ta = s[ia]
        if ta == 'R':
            r += sum(sg[ia+1:]) * sum(sb[ia+1:])
        elif ta == 'G':
            r += sum(sr[ia+1:]) * sum(sb[ia+1:])
        else:
            r += sum(sg[ia + 1:]) * sum(sr[ia + 1:])
        for ib in range((n - ia)//2+1):
            if ia + ib * 2 < n:
                if ta != s[ia + ib] and ta != s[ia + ib + ib] and s[ia+ib]!= s[ia + ib + ib]:
                    r -= 1
    print(r)

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

num = int(input())
nums = [int(input()) for _ in range(num)]

for i in range(len(nums)):
  n = nums[i]
  del nums[i]
  print(max(nums))
  nums.insert(i, n)

### FIXED CODE ###

import heapq

num = int(input())
nums = [int(input()) for _ in range(num)]

maxs = heapq.nlargest(2, nums)
for n in nums:
  if n == maxs[0]:
    print(maxs[1])
  else:
    print(maxs[0])
### BUGGY CODE ###

K, S = map(int, input().split())
res = 0
for X in range(K+1):
    for Y in range(K+1):
        Z = S - X - Y
        if Z in range(K+1):
            res += 1

print(res)

### 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 ###

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

N = len(S)
dp = [[0 for _ in range(13)] for _ in range(N + 1)]
dp[N][0] = 1 # i = N - 1のケースでうまくいくための処置

for i in range(N - 1,  -1,  -1):  # 小さい桁から順に
    w = 1 if i == N - 1 else (w * 10) % 13 # 各桁の重み

    if S[i] is not '?':
        k = int(S[i])
        for j in range(13):
            dp[i][(j + w * k) % 13] = dp[i + 1][j]
    else:
        for j in range(13):
            for k in range(10): # ?の値が0, 1, ..., 9のとき
                dp[i][(j + w * k) % 13] = (dp[i][(j + w * k) % 13] + dp[i + 1][j]) % p

print(dp[0][5])


### FIXED CODE ###

p = 10**9 + 7
S = input()
N = len(S)

dp = [[0 for _ in range(13)] for _ in range(2)]
dp[0][0] = 1 # i = N - 1のケースでうまくいくための処置
r = 0

for i in range(N - 1,  -1,  -1):  # 小さい桁から順に
    w = 1 if i == N - 1 else (w * 10) % 13 # 各桁の重み
    r = 1 - r  # dpの0行目と1行目を交互に使う
    if S[i] == '?':
        for j in range(13):
            for k in range(10): # ?の値が0, 1, ..., 9のとき
                dp[r][(j + w * k) % 13] += dp[1 - r][j]
                if dp[r][(j + w * k) % 13] >= p:
                    dp[r][(j + w * k) % 13] -= p
    else:
        k = int(S[i])
        for j in range(13):
            dp[r][(j + w * k) % 13] = dp[1 - r][j]

    dp[1 - r] = [0] * 13

print(dp[r][5])
### BUGGY CODE ###

n = int(input())
a = list(map(int, input().split()))
x = 10 ** 10
for i in range(1, n):
    x = min(x, abs(sum(a[:i])-sum(a[i:])))
print(x)

### FIXED CODE ###

from itertools import accumulate
n = int(input())
a = list(map(int, input().split()))
l = list(accumulate(a))
x = 10 ** 10
for i in range(n-1):
    x = min(x, abs(l[i]*2-l[-1]))
print(x)
### BUGGY CODE ###

s=list(input())
K=int(input())
length=len(s)

word=[]
for i in range(26):
    t=chr(97+i)
    for j,k in enumerate(s):
        if t==k:
            add=j
            while add<length:
                w="".join(s[j:add+1])
                if w not in word:
                    word.append(w)
                add +=1
    if len(word)>K:break

print(sorted(word)[K-1])

### FIXED CODE ###

s=list(input())
words=[]
for i in range(len(s)):words.append("".join(s[i:]))
words=sorted(words)

record=[]
k=int(input())
for i in words:
    for j in range(len(i)):
        if "".join(i[:j+1]) not in record:
            record.append("".join(i[:j+1]))
    if len(record)>=k:
        print(record[k-1])
        exit()