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

from heapq import heapify,heappush,heappop

s=input()
K=int(input())
N=len(s)
tmp=[]
heapify(tmp)

for i in range(N):
  for j in range(i,N):
    heappush(tmp,s[i:j+1])
  
i=0
zumi=set()
while True:
  s=heappop(tmp)
  if s not in zumi:
    zumi.add(s)
    i += 1
    if i==K:
      print(s)
      exit()



#lis=sorted(tmp)
#print(lis)
#print(lis[K-1])

### FIXED CODE ###

s=input()
K=int(input())
N=len(s)
tmp=set()

for i in range(N):
  for j in range(K):
    t= s[i:i+j+1]
    #print(i,j,t)
    tmp.add(t)
    
lis=sorted(tmp)
#print(lis)
print(lis[K-1])
### BUGGY CODE ###

n = int(input())
over = 0
for i in range (n) :
    over += i
print(over)

### FIXED CODE ###

n = int(input())
print(n*(n-1)//2)
### BUGGY CODE ###

import copy
import math
N=int(input())
A=list(map(int, input().split()))
for k in range(N):
  cnt=0
  B=copy.copy(A)
  del B[k]
  C=[x for x in B if B.count(x) > 1]
  for s in set(C):
    m=C.count(s)
    cnt+=math.factorial(m)//(2*math.factorial((m-2)))
  print(cnt)

### FIXED CODE ###

from math import factorial
from collections import Counter


def combinations_count(n, r):
    if n >= r:
        return factorial(n) // (factorial(n - r) * factorial(r))
    else:
        return 0

c = Counter()
n = int(input())
A = list(map(int, input().split()))
for i in A:
    c[i] += 1
ans = 0
for k, v in c.items():
    ans += combinations_count(v, 2)

for i in A:
    print(ans-c[i]+1)
### BUGGY CODE ###

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

B=[0]*N
for i in range(N):
    if i-A[i]>0:
        B.append(i-A[i])

ans=0
for i in range(N):
    ans+=B.count(i+A[i])
print(ans)

### FIXED CODE ###

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

d={}
for i in range(N):
    if i-A[i]>0:
        if str(i-A[i]) in d:
            d[str(i-A[i])]+=1
        else:
            d[str(i-A[i])]=1

ans=0
for j in range(N):
    if str(j+A[j]) in d:
        ans+=d[str(j+A[j])]
print(ans)
### BUGGY CODE ###

import sys
S = int(input())


for i in range(1,1000000000,1):
    for j in range(1,1000000000,1):
        if i * j == S  :
            print(0,i,j,0,0,0)
            sys.exit()
#for i in mytable:

### FIXED CODE ###

S = int(input())

if S <= 10 ** 9:
    print(0, 0, S, 0, S, 1)
else:
    a = S // (10 ** 9)
    b = S % (10 ** 9)
    if b == 0:
        print(0, 0, 10 ** 9, 1, 0, a)
    else:
        print(0, 0, 10 ** 9, 1, 10 ** 9 - b, a + 1)
### BUGGY CODE ###

n = int(input())
a = list(map(int, input().split()))
a.sort()
while len(a) >= 2 :
    k = a[1] % a[0]
    if k == 0 :
        a.pop(1)
    else :
        a[1] = k
    a.sort()
    if a[0] == 1 :
        break
print(a[0])


### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
a.sort()
while len(a) >= 2 :
    k = a[1] % a[0]
    if k == 0 :
        a.pop(1)
    else :
        a[1] = k
        a[0], a[1] = a[1], a[0]
print(a[0])
### BUGGY CODE ###

import copy
import sys

sys.setrecursionlimit(200000000)

N=int(input())
a = list(map(int,input().split()))
values = set(a)

dicts={}
def dfs(string, root):
    temps = [i+1 for i in range(len(string))]
    output=-1
    if len(string)==0:
        return root
    
    for i,s in enumerate(string):
        if i+1==s:
            temp_root = copy.deepcopy(root)
            temp_string=copy.deepcopy(string)
            temp_root.append(i+1)
            temp_string.pop(i)
            temp = dfs(temp_string, temp_root)
            
            if temp!=-1:
                output=temp
    return output

output=dfs(a, [])

output

if isinstance(output, list):
    for i in output[::-1]:
        print(i)
else:
    print(output)

### FIXED CODE ###

import copy

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


root=[]
string = copy.deepcopy(a)
while len(string)!=0:
    temp=[]
    for i,s in enumerate(string):
        if i+1 == s:
            temp.append(i+1)
    if len(temp)==0:
        break
    
    if temp[0]==1 and len(temp)==1:
        string.pop(0)
        root.append(1)
    else:
        if 1 in temp:
            temp.remove(1)
        root.append(temp[-1])
        string.pop(temp[-1]-1)
        
if len(string)!=0:
    print(-1)
else:
    for i in root[::-1]:
        print(i)
### BUGGY CODE ###

import sys
input = sys.stdin.readline
import numpy as np
import queue
sys.setrecursionlimit(1000000000)

N, Q = list(map(int, input().split()))
graph = [[] for i in range(N)]
# 最初にroot pointを定めて:
# graph構造に大して点を与える...
for i in range(N-1):
    a, b = list(map(int, input().split()))
    graph[a-1].append(b-1)
    graph[b-1].append(a-1)

points = np.zeros(N, dtype=int)
for _ in range(Q):
    p, x = list(map(int, input().split()))
    points[p-1] += x

visited = np.zeros(N, dtype=bool)
tot_points = np.zeros(N, dtype=int)
tot_points[0] = points[0]
top_nodes = np.full(N, -1, dtype=int)

nodes = graph[0]
top_nodes[nodes] = 0
old_node = 0
visited[0] = True


def dfs(old_node, node):
    if visited[node]:
        return
    tot_points[node] = tot_points[old_node] + points[node]
    visited[node] = True
    nodes = queue.deque(graph[node])
    for _node in nodes:
        dfs(node, _node)
for _node in nodes:
    dfs(0, _node)
    

for x in tot_points.tolist():
    print(x, end=" ")
    
    

### FIXED CODE ###

import sys
from queue import deque
input = sys.stdin.readline

def main():
    N, Q = list(map(int, input().split()))
    graph = [[] for i in range(N)]
    # 最初にroot pointを定めて:
    # graph構造に大して点を与える...
    for i in range(N-1):
        a, b = list(map(int, input().split()))
        graph[a-1].append(b-1)
        graph[b-1].append(a-1)
    
    points = [0] * N
    for _ in range(Q):
        p, x = list(map(int, input().split()))
        points[p-1] += x
    
    visited = [False] * N
    
    nodes = deque([0])

    while nodes:
        node = nodes.pop()
        visited[node] = True
        for _node in graph[node]:
            if visited[_node]:
                continue
            points[_node] += points[node]
            nodes.append(_node)
    
    print(*points)
    
main()
### BUGGY CODE ###

from collections import deque
h, w = map(int, input().split())
maze = []
for _ in range(h):
    maze.append(list(input()))

def clear_maze(sx, sy, gx, gy, maze):
    INF = float('infinity')
    field_x_length = len(maze)
    field_y_length = len(maze[0])
    distance = [[INF for i in range(field_y_length)] for j in range(field_x_length)]

    def bfs():
        queue = deque([])
        queue.append((sx, sy))
        distance[sx][sy] = 0
        dx = [1, 0, -1, 0]
        dy = [0, 1, 0, -1]
        while queue:
            x, y = queue.pop()
            if x == gx and y == gy:
                break
            for i in range(0, 4):
                nx, ny = x + dx[i], y + dy[i]
                if (0 <= nx < field_x_length) and (0 <= ny < field_y_length):
                    if maze[nx][ny] != '#' and distance[nx][ny] == INF:
                        queue.appendleft((nx, ny))
                        distance[nx][ny] = distance[x][y] + 1
        return distance[gx][gy]
    return bfs()


pairs = []
for i in range(h):
    for j in range(w):
        if maze[i][j] == '.':
            pairs.append([i, j])

MAX = 0
s = set()
for i in range(len(pairs)):
    sx, sy = pairs[i]
    for j in range(len(pairs)):
        gx, gy = pairs[j]
        if i == j:
            continue
        elif (sx, sy, gx, gy) in s or (gx, gy, sx, sy) in s:
            continue
        s.add((sx, sy, gx, gy))
        s.add((gx, gy, sx, sy))
        r = clear_maze(sx, sy, gx, gy, maze)
        if r == float('infinity'):
            continue
        MAX = max(MAX, r)
print(MAX)

### FIXED CODE ###

from collections import deque
h, w = map(int, input().split())
maze = []
for _ in range(h):
    maze.append(list(input()))

def clear_maze(sx, sy, maze):
    INF = -float('infinity')
    field_x_length = len(maze)
    field_y_length = len(maze[0])
    distance = [[INF for i in range(field_y_length)] for j in range(field_x_length)]

    queue = deque([(sx, sy)])
    distance[sx][sy] = 0
    dx = [1, 0, -1, 0]
    dy = [0, 1, 0, -1]
    while queue:
        x, y = queue.pop()
        # if x == gx and y == gy:
        #     break
        for i in range(0, 4):
            nx, ny = x + dx[i], y + dy[i]
            if (0 <= nx < field_x_length) and (0 <= ny < field_y_length):
                if maze[nx][ny] != '#' and distance[nx][ny] == INF:
                    queue.appendleft((nx, ny))
                    distance[nx][ny] = distance[x][y] + 1
    MAX = 0
    for row in range(field_x_length):
        for col in range(field_y_length):
            MAX = max(MAX, distance[row][col])
    return MAX
    # return distance[gx][gy]

pairs = []
for i in range(h):
    for j in range(w):
        if maze[i][j] == '.':
            pairs.append([i, j])

MAX = 0
for sx, sy in pairs:
    r = clear_maze(sx, sy, maze)
    MAX = max(MAX, r)
print(MAX)
### BUGGY CODE ###

N = int(input())
Hlist = list(map(int, input().split()))

Last_move_num = 0

for i in range(0,N):
    move_num = 0
    for j in range(i,N-1):
        if Hlist[j] >= Hlist[j+1]:
            move_num = move_num+1
        else:
            break
    if move_num > Last_move_num:
        Last_move_num = move_num

print(Last_move_num)

### FIXED CODE ###

N = int(input())
Hlist = list(map(int, input().split()))

Last_move_num = 0
move_num = 0
for i in range(0,N-1):

    if Hlist[i] >= Hlist[i+1]:
        move_num = move_num+1
    else:
        move_num = 0
    if move_num > Last_move_num:
        Last_move_num = move_num

print(Last_move_num)
### BUGGY CODE ###

n = int(input());
A = list(map(int, input().split()));

ans = 0;

for i in range(len(A)):
  if min(A[:i+1]) == A[i]:
    ans += 1;
  else:
    pass;
  
print(ans);

### FIXED CODE ###

n = int(input());
A = list(map(int, input().split()));

ans = 0;
min_ = 2 * (10 ** 5);

for i in range(n):
  min_ = min(A[i], min_);
  if min_ == A[i]:
    ans += 1;
  else:
    pass;
print(ans);
### BUGGY CODE ###

n = int(input())
ls = list(sorted(map(int, input().strip().split())))

possibles = set()

for i in range(len(ls)):
    for j in range(len(ls)):
        if i == j:
            continue
        for k in range(len(ls)):
            if i == k or j == k:
                continue
            a = ls[i]
            b = ls[j]
            c = ls[k]

            if a < b + c and b < c + a and c < a + b:
                possibles.add(tuple(sorted((a, b, c))))

print(len(possibles))


### FIXED CODE ###

import bisect


def main(ls):
    total = 0

    for i in range(len(ls) - 2):
        for j in range(i + 1, len(ls) - 1):
            a = ls[i]
            b = ls[j]
            left = j + 1
            num = bisect.bisect_left(ls, a + b) - left
            total += num

    print(total)


_n = input()
ls = list(sorted(map(int, input().strip().split())))

main(ls)
### BUGGY CODE ###

import sys
sys.setrecursionlimit(10**5)
def 解():
    iN,iK,iL = [int(_) for _ in input().split()]
    aD = [[int(_) for _ in sLine.split()] for sLine in sys.stdin.readlines()]
    a道 = aD[0:iK]
    a鉄道 = aD[iK:]

    d道 = {}
    d鉄道 = {}
#   for i in range(1,iN+1):
#       d道[i] = {i}
#       d鉄道[i] ={i}
    def fMakeSet(d,x,y):
        if x in d:
            d[x].add(y)
        else:
            d[x] = {y}

    for p,q in a道:
        #d道[p].add(q)
        #d道[q].add(p)
        fMakeSet(d道,q,p)
        fMakeSet(d道,p,q)
    for r,s in a鉄道:
        fMakeSet(d鉄道,r,s)
        fMakeSet(d鉄道,s,r)
    def fdfs(d,iS):
        dsVisited=set()
        def digRoute(iT):
            dsVisited.add(iT)
            if iT in d:
                for i in d[iT] - dsVisited:
                    #dsVisited.add(i)
                    digRoute(i)
        digRoute(iS)
        return dsVisited

    def buildGroup(d):
        gl = {}
        gidx = {}
        v = set()
        iC = 0
        for i in range(1,iN+1):
            if i in v:
                continue
            else:
                dsList = fdfs(d,i)
                for i in dsList:
                    gidx[i] = iC
                gl[iC]=dsList
                iC += 1
                v = v | dsList
        return (gl,gidx)
    dg鉄道,idxdg鉄道 = (buildGroup(d鉄道))
    dg道,idxdg道 = (buildGroup(d道))
    aRet = []
    for i in range(1,iN+1):
        aRet.append(str(len( dg道[idxdg道[i]] & dg鉄道[idxdg鉄道[i]])))
    print( " ".join(aRet))
解()


### FIXED CODE ###

#Union-Find木の構築
import sys
def 解():
    iN,iK,iL = [int(_) for _ in input().split()]
    aD = [[int(_) for _ in sLine.split()] for sLine in sys.stdin.readlines()]

    def buildTree(a):
        aT = [0]*(iN+1)
        for p,q in a:
            rp = getRoot(aT,p)
            rq = getRoot(aT,q)
            thisRoot = max(rp,rq,q)
            aT[p] = thisRoot
            aT[q] = thisRoot
            aT[rp] = thisRoot #これで Union してるつもり
            aT[rq] = thisRoot
        return aT
    def getRoot(a,i): #find みんな小さい方に合わせるならデカい方に合わせてみよう
        if a[i] == i or a[i] == 0:
            if a[i] == 0 : a[i] = i
            return i
        elif i < a[i] :
            a[i] = getRoot(a,a[i])
            return a[i]
    #   else:
    #       print("! ",i,a[i])

    aT道 = buildTree(aD[0:iK])
    aT鉄道 = buildTree(aD[iK:])
    aRet = []
    dRet = {}
    for i in range(1,iN+1):
        # いやはやこんなもんもキーになるのか。
        Comb = (getRoot(aT道,i), getRoot(aT鉄道,i))
        aRet.append(Comb)
        if Comb in dRet:
            dRet[Comb] += 1
        else:
            dRet[Comb] = 1
    print(" ".join([str(dRet[_]) for _ in aRet]))

解()
### BUGGY CODE ###

def gcd(a, b):
    while b:
        a, b = b, a % b
    return a
  
result = 0
K = int(input())
for i in range(K):
  for j in range(K):
    for k in range(K):
      a = i+1
      b = j+1
      c = k+1
      num = gcd(a,b)
      num2 = gcd(num,c)
      result += num2
print(result)

### FIXED CODE ###

def gcd(a, b):
    while b:
        a, b = b, a % b
    return a
  
result = 0
K = int(input())
for i in range(K):
  for j in range(K):
    for k in range(K):
      a = i+1
      b = j+1
      c = k+1
      num = gcd(a,b)
      num2 = gcd(num,c)
      result += num2
print(result)
### BUGGY CODE ###

def main():
    X, K, D = map(int, input().split())

    val = [0] * 100000000
    A = [0] * 100000000
    val[0] = X
    #val = X
    #val_new = 0
    if K % 2 == 0 :
        limit = 10
    else :
        limit = 11
    i = 0
    for j in A :
        #print(i)
        if abs(val[i] - D) < abs(val[i] + D) :
            val[i+1] = val[i] - D
        else :
            val[i+1] = val[i] + D
        #val[i+1] = min(abs(val[i] - D), abs(val[i] + D))
        #val_new = min(abs(val - D), abs(val + D))
        #val = val_new
        if (val[i+1] == val[i-1]) and i > limit :
            print(abs(val[i + 1]))
            break
        i += 1
        if i == K :
            print(abs(val[i]))
            break




if __name__ == '__main__':
    main()


### FIXED CODE ###

def main():
    X, K, D = map(int, input().split())

    val = [0] * 100000000
    val[0] = X
    #val = X
    #val_new = 0
    if K % 2 == 0 :
        limit = 4
    else :
        limit = 5
    i = 0
    if abs(X) > K * D :
        if X > 0 :
            print(X - K * D)
        else :
            print(abs(X + K * D))
    elif abs(X) == K * D :
        print("0")
    elif X == 0 :
        if limit == 4 :
            print('0')
        else :
            print(abs(D))
    else :
        syo = abs(X) // D
        #print(syo)
        if syo > 3 :
            if X > 0 :
                val[0] = X - (syo-2) * D
            else :
                val[0] = X + (syo - 2) * D
            #print(val[0])
            K = K -(syo-2)
            if K % 2 == 0:
                limit = 2
            else:
                limit = 3
        for j in val :
            #print(i)
            if abs(val[i] - D) < abs(val[i] + D) :
                val[i+1] = val[i] - D
            else :
                val[i+1] = val[i] + D
            #print(val[i+1])
            if (abs(val[i+1]) == abs(val[i-1])) and i > limit :
                #print("a")
                print(abs(val[i + 1]))
                break
            i += 1
            if i == K :
                #print("b")
                print(abs(val[i]))
                break


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

from heapq import heapify, heappushpop


N, M = map(int, input().split())
numbers = [int(n) for n in input().split()]

heapify(numbers)

for _ in range(M):
  b, c = map(int, input().split())
  for _ in range(b):
    if numbers[0] < c:
      heappushpop(numbers, c)
      
print(sum(numbers))      

### FIXED CODE ###

from collections import Counter

N, M = map(int, input().split())
numbers = Counter(int(n) for n in input().split())

# (数, 出現回数)
q = []

for k, v in numbers.items():
  q.append((k, v))

for _ in range(M):
  b, c = map(int, input().split())
  q.append((c, b))
  
q.sort(reverse=True)

bigger = []

for k, v in q:
  if len(bigger) >= N:
    break
  for _ in range(v):
    bigger.append(k)
    if len(bigger) >= N:
      break

print(sum(bigger))
### BUGGY CODE ###

def main():
    from itertools import accumulate as ac
    from bisect import bisect_left as bl
    from bisect import bisect_right as br
    from sys import stdin
    input=stdin.readline

    def check(k):
        dist=a[-k-1]-ini
        if dist<0:
            dist=abs(dist)
            b=br(a,ini+dist)-bl(a,ini-dist)-1
        else:
            b=br(a,ini+dist)-bl(a,ini-dist)
        return k>=b

    def b_search(a,b,check):
        while a+1<b:
            med=(a+b)//2
            if check(med):b=med
            else:a=med+1
        if check(a):return a
        else:return b
    
    n,q=map(int,input().split())
    nn=n//2+1
    a=list(map(int,input().split()))
    x=[int(input()) for _ in [0]*q]
    aac=[0]+list(ac(a))
    aac2=[0]+list(ac(a[(n+1)%2::2]))

    for ini in x:
        k=b_search(1,nn,check)
        print(aac[-1]-aac[-k-1]+aac2[-k-1])
main()

### FIXED CODE ###

def main():
    from itertools import accumulate as ac
    from bisect import bisect_left as bl
    from bisect import bisect_right as br
    from sys import stdin
    input=stdin.readline

    def check(k):
        dist=a[-k-1]-ini
        if dist<0:
            dist=abs(dist)
            return k>=br(a,ini+dist)-bl(a,ini-dist)-1
        else:
            return k>=br(a,ini+dist)-bl(a,ini-dist)
    
    n,q=map(int,input().split())
    nn=n//2+1
    a=list(map(int,input().split()))
    x=[int(input()) for _ in [0]*q]
    ix=sorted([[i,j] for i,j in enumerate(x)],key=lambda x:x[1])
    ans=[0]*q
    aac=[0]+list(ac(a))
    aac2=[0]+list(ac(a[(n+1)%2::2]))
    k=nn

    for i,ini in ix:
        l=1
        u=k
        while l+1<u:
            med=(l+u)//2
            if check(med):u=med
            else:l=med+1
        if check(l):k=l
        else:k=u
        ans[i]=aac[-1]-aac[-k-1]+aac2[-k-1]
    for i in ans:
        print(i)
main()
### BUGGY CODE ###

n = int(input())
A_list = list(map(int, input().split()))
for i in range(1, n+1):
    print(A_list.count(i))

### FIXED CODE ###

import collections
n = int(input())
A_list = list(map(int, input().split()))
A_cont = collections.Counter(A_list)
for i in range(1, n+1):
    print(A_cont[i])
### BUGGY CODE ###

n = int(input())
ans = []
for i in range(n):
    s = input()
    if not s in ans:
        ans.append(s)
print(len(ans))


### FIXED CODE ###

from collections import Counter

n = int(input())
ans = []
for i in range(n):
    s = input()
    ans.append(s)
answer = Counter(ans)
print(len(list(answer.keys())))
### BUGGY CODE ###

n,p=map(int,input().split())
if n==1:
    print(p)
    exit()
elif p==1:
    print(1)
    exit()
l=[]#Pの約数
for i in range(1,int(p**0.5)+1):
    if p%i==0:
        l.append(i)
#print(l)
s=[]
for i in range(len(l)):
    if l[i]**n<=p and p%(l[i]**n)==0:
        #print(l[i],l[i]**n)
        s.append(l[i])
    if l[i]**n>p:
        break
print(s[-1])

### FIXED CODE ###

n,p=map(int,input().split())
if n==1:
    print(p)
    exit()
elif p==1:
    print(1)
    exit()
elif n>60:
    print(1)
    exit()
l=[]#Pの約数
for i in range(1,int(p**0.5)+1):
    if p%i==0:
        l.append(i)
#print(l)
s=[]
for i in range(len(l)):
    if l[i]**n<=p and p%(l[i]**n)==0:
        #print(l[i],l[i]**n)
        s.append(l[i])
    if l[i]**n>p:
        break
print(s[-1])
### BUGGY CODE ###

from collections import deque
import sys

input = sys.stdin.buffer.readline
n = int(input())
AA = [deque(list(map(int, input().split()))) for _ in range(n)]
max_n = n * (n - 1) // 2
cnt = 0
ans = -1
shuryo = False
for d in range(1, n * (n - 1) // 2 + 1):
    used = [False] * (n)
    update = False
    for i in range(n):
        if used[i] is True:
            continue
        if not AA[i]:
            continue
        aite = AA[i][0] - 1
        if used[aite] is True:
            continue
        if not AA[aite]:
            continue
        if AA[aite][0] - 1 == i:
            AA[i].popleft()
            AA[aite].popleft()
            used[aite] = True
            used[i] = True
            cnt += 1
            update = True
    if cnt == max_n:
        shuryo = True
        break
    if update is False:
        break
    if shuryo:
        break
if shuryo:
    ans = d
print(ans)


### FIXED CODE ###

from collections import deque

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

graph = [[] for _ in range(n * n)]


def calc(i, j):
    if j > i:
        i, j = j, i
    return i * n + j


to = [0] * (n * n)
for i in range(n):
    for j in range(n - 2):
        u = calc(i, AA[i][j] - 1)
        v = calc(i, AA[i][j + 1] - 1)
        graph[u].append(v)
        to[v] += 1
start = []
for i in range(n * n):
    if to[i] == 0:
        start.append(i)


def topological_sort(edge_num, graph, start, to):
    topo = []
    cnt = 0
    stack = deque(start)
    while stack:
        v = stack.popleft()
        topo.append(v)
        cnt += 1
        for u in graph[v]:
            to[u] -= 1
            if to[u] == 0:
                stack.append(u)
    return topo, cnt


topo, cnt = topological_sort(n * n, graph, start, to)
if cnt != n * n:
    print(-1)
    exit()
day = [1] * (n * n)
for i in topo:
    for j in graph[i]:
        day[j] = day[i] + 1
print(max(day))