Harryxun/stf_run huggingface dataset:
n = int(input())
hs = input().split()
count = 1
maxh = 0
for i in range(1,n):
    maxh = max(maxh, int(hs[i-1]))
    if int(hs[i])=>maxh:
        count += 1
print(count)

### FIXED CODE ###

n = int(input())
hs = input().split()
count = 1
maxh = 0
for i in range(1,n):
    maxh = max(maxh, int(hs[i-1]))
    if int(hs[i])>=maxh:
        count += 1
print(count)
n=int(input())
if n%0==0:
  print("Yes")
else:
  print("No")

### FIXED CODE ###

print("Yes"if int(input())%9==0else"No")
N = int(input())
A = list(map(int, input().split()))

max1 = max(A)
A_ = A.copy()
A_.remove(max1)
max2 = max(A_)
ln = max1 + max2
ret = 0
for i in range(len(A)-1):
    for j in range(i+1, i+ln + 1):
        if A[j] + A[i] == j - i:
            ret += 1
print(ret)

### FIXED CODE ###

N = int(input())
A = list(map(int, input().split()))
L1 = list()
D2 = dict()
ret = 0
for i in range(len(A)):
    num1 = i + 1 - A[i]
    num2 = i + 1 + A[i]
    L1.append(num1)
    if num2 not in D2:
        D2[num2] = 1
    else:
        D2[num2] += 1
ret = 0
retlist = dict()
for l in L1:
    if l in D2.keys():
        ret += D2[l]
print(ret)
import itertools
N,M,Q = map(int, input().split())
cand = list(itertools.combinations_with_replacement(N+M-1,N))
fs = [list(map(int, input().split())) for i in range(Q)]

def calc(fs,As):
  count = 0
  for a,b,c,d in fs:
    if As[b-1] - As[a-1] == a:
      count += d
	return count
ans = 0
for As in cand:
  ans = max(ans,calc(fs,As))

print(ans)

### FIXED CODE ###

from itertools import combinations_with_replacement as cw
N,M,Q = map(int, input().split())
cand = cw([i+1 for i in range(M)],N)
fs = [list(map(int, input().split())) for i in range(Q)]

def calc(fs,As):
  count = 0
  for a,b,c,d in fs:
    if As[b-1] - As[a-1] == c:
      count += d
  return count
ans = 0
for As in cand:
  ans = max(ans,calc(fs,As))

print(ans)
INF = 10**10
arr = [INF,2,5,5,4,5,6,3,7,6]
N,M = map(int,input().split())
src = sorted(list(map(int,input().split())))

dp = [-INF]*(N+1)
dp[0] = 0
for i in range(N):
    for j in src:
        if i + arr[j] <= N:
            dp[i + arr[j]] = max(dp[i + arr[j]], dp[i] + 1)
ans = ''
dim = dp[N]
while(dim > 0):
    for i in src[::-1]:
        if dp[N-arr[i]] == dp[N] - 1:
            ans += str(i)
            N -= arr[i]
            dim -= 1
            break
print(ans if ans else 0)

### FIXED CODE ###

INF = 10**10
arr = [INF,2,5,5,4,5,6,3,7,6]
N,M = map(int,input().split())
src = sorted(list(map(int,input().split())))

dp = [-INF]*(N+1)
dp[0] = 0
for i in range(N):
    for j in src:
        if i + arr[j] <= N:
            dp[i+arr[j]] = max(dp[i+arr[j]],dp[i] + 1)
dim = dp[N]
ans  = ''
while(dim > 0):
    for i in src[::-1]:
        if N >= arr[i] and dp[N-arr[i]] + 1 == dp[N]:
            ans += str(i)
            N -= arr[i]
            dim -= 1
            break
print(ans)
X, N = map(int, input().split())
if N > 0:
    l = list(map(int, input().split()))
    A = [0] * N
    ok == 0

    for i in range(N):
        A[i] = abs(l[i] - X)

    S = A.count(0)
    if S == 0:
        print(X)
        ok = 1

    if ok == 0:
        for i in range(1, 101):
            S = A.count(i)
            if S == 0:
                print(X - 1)
                break
            if S == 1:
                if l.count(X - i) == 0:
                    print(X - i)
                    break
                else:
                    print(X + i)
                    break
            else:
                pass

else:
    print(X)


### FIXED CODE ###

X, N, *d = map(int, open(0).read().split())
if N == 0:
    print(X)
else:
    ans = -100
    for i in range(102):
        if i not in d and abs(i - X) < abs(ans - X):
            ans = i

    print(ans)
# - coding : utf-8 -*-
 
n, m = input().split()
xs_str = input().split()
xs = list(map(int, xs_str))
xs.sort()
 
ys = []
for i in range(int(m) - 1):
    ys.append(abs(xs[i+1] - xs[i])
ys.sort()
 
out = sum(ys[0:-(int(n)-1)])
print(out)

### FIXED CODE ###

# - coding : utf-8 -*-
 
n, m = list(map(int, input().split()))
xs_str = input().split()
xs = list(map(int, xs_str))
xs.sort()
 
ys = []
for x1, x2 in zip(xs[0:-1], xs[1:]):
    ys.append(abs(x2 - x1))
ys.sort()

for i in range(n - 1):
    if ys == []:
        break
    else:
        ys.pop()
print(sum(ys))
def resolve():
    import numpy as np
    d = int(input())
    C = list(map(int, input().split()))
    S = []
    for _ in range(d):
        _S = list(map(int, input().split()))
        S.append(_S)
    S = np.array(S)

    for i in range(d):
        max_idx = np.argmax(S[i])
        print(max_idx + 1)

resolve()

### FIXED CODE ###

def resolve():
    import numpy as np
    d = int(input())
    C = list(map(int, input().split()))
    S = []
    for _ in range(d):
        _S = list(map(int, input().split()))
        S.append(_S)
    S = np.array(S)

    for i in range(d):
        max_idx = np.argmax(S[i])
        print(max_idx + 1)

resolve()
import numpy as np
N,M,K = map(int,input().split())
A = list(map(int,input().split()))
B = list(map(int,input().split()))

A_np = np.array(A)
B_np = np.array(B)

C_np = np.append(A_np,B_np)
C_np = np.sort(C_np)

x = 0
for i in range(len(C_np)):
    if K > x + C_np[i]:
        x += 1
    else:
        break
print(x)

### FIXED CODE ###

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

a, b = [0], [0]
for i in range(N):
    a.append(a[i] + A[i])
for i in range(M):
    b.append(b[i] + B[i])

ans, j = 0, 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)
N = int(input())
S = str(input())
K = int(input())

target = S[K]
S = list(S)

for i in range(N):
   if S[i] == target:
       pass
   else:
       S[i] = "*"
        
S = "".join(S)
print(S)

### FIXED CODE ###

N = int(input())
S = str(input())
K = int(input())

target = S[K-1]
S = list(S)

for i in range(N):
   if S[i] == target:
       pass
   else:
       S[i] = "*"
        
S = "".join(S)
print(S)
N=input()
print("No" if int(N) % sum(map(int, N)) else "Yes")

### FIXED CODE ###

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

print(N*A if N*A < B else B)
while True:
        H,W = map(int,input().split())
    if H==W==0:
            break;
    print("#"*W)
    for i in range(0,H-2):
            print("#"+"."*(W-2)+"#")
    print("#"*W)
    print()


### FIXED CODE ###

while True:
    H,W = map(int,input().split())
    if H==W==0:
        break;
    print("#"*W)
    for i in range(0,H-2):
        print("#"+"."*(W-2)+"#")
    print("#"*W)
    print()
X, Y, Z =  list(map(int, input().split()))
pritn((X-Z)//(Y+Z))

### FIXED CODE ###

X, Y, Z =  list(map(int, input().split()))
print((X-Z)//(Y+Z))
N = int(input())
fact = 1
for integer in range(1,N+1):
    fact = fac * integer % 1000000007
print(fact)

### FIXED CODE ###

N = int(input())
fact = 1
for integer in range(1,N+1):
    fact = fact * integer % 1000000007
print(fact)
def third_select(S):
    right = N - 1
    change = 0
    sharp_appeared = False
    for i, s in enumerate(S[::-1]):
        if s == '#':
            sharp_appeared = True
        elif sharp_appeared:
            right = N - i
            break
        else:
            change += 1

    for s in S[:right]:
        if s == '#':
            change += 1

    for i,s in enumerate(S):
        if s == '#':
            left = i
            break

    return min(change, S[left:].count('.'))

N = int(input())
S = input()

ALL_period = S.count('#')
ALL_sharp = N - ALL_period



print(min(ALL_period, ALL_sharp, third_select(S)))


### FIXED CODE ###

from itertools import accumulate

N = int(input())
S = input()
L = list()
for s in S:
    if s == '.':
        L.append(0)
    else:
        L.append(1)

sharp_cumsum = [0] + list(accumulate(L))
period_cumsum = ([0] + list(accumulate([x^1 for x in L[::-1]])))[::-1]

ans = 10 ** 9

for i in range(N):
    left = i
    right = i+1
    tmp_ans = sharp_cumsum[left] + period_cumsum[right]
    ans = tmp_ans if tmp_ans < ans else ans
print(ans)
# encoding: utf-8


class Solution:
    @staticmethod
    def binary_search():
        array_length_1 = int(input())
        array_1 = [int(x) for x in input().split()]
        array_length_2 = int(input())
        array_2 = [int(x) for x in input().split()]

        # print(len(set(array_1).intersection(set(array_2))))
        left, right, count = 0, array_length_1, 0
        for each in array_2:
            while left < right:
                mid = (left + right) // 2
                if array_1[mid] == each:
                    count += 1
                elif each < array_1[mid]:
                    right = mid
                else:
                    left = mid + 1

        print(count)


if __name__ == '__main__':
    solution = Solution()
    solution.binary_search()

### FIXED CODE ###

# encoding: utf-8


import sys


class Solution:
    def __init__(self):
        """
        init input array
        """
        self.__input = sys.stdin.readlines()

    @property
    def solution(self):
        length_1 = int(self.__input[0])
        array_1 = list(map(int, self.__input[1].split()))
        length_2 = int(self.__input[2])
        array_2 = list(map(int, self.__input[3].split()))

        assert length_1 == len(array_1) and length_2 == len(array_2)

        count = 0

        for each in array_2:
            if self.binary_search(key=each, array=array_1, array_length=length_1):
                count += 1

        return str(count)

    @staticmethod
    def binary_search(key, array, array_length):
        # print(len(set(array_1).intersection(set(array_2))))
        left, right = 0, array_length
        while left < right:
            mid = (left + right) // 2
            if key == array[mid]:
                return True
            elif key < array[mid]:
                right = mid
            else:
                left = mid + 1
        return False


if __name__ == '__main__':
    case = Solution()
    print(case.solution)
# coding:utf-8
R=int(input())
G=int(input())
print(2G-R)

### FIXED CODE ###

# coding: utf-8

R=int(input())
G=int(input())

print((G-R)+G)
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)

from itertools import product

n, m, x = map(int, readline().split())
ca = [list(map(int, readline().split())) for _ in range(n)]
ans = float('inf')
for bit in product([0, 1], repeat=n):
    cnt = 0
    memo = [0] * n
    for i in range(n):
        if bit[i] == 1:
            cnt += ca[i][0]
            for j in range(m):
                memo[j] += ca[i][j + 1]
    for j in range(m):
        if memo[j] < x:
            break
    else:
        ans = min(ans, cnt)
if ans == float('inf'):
    ans = -1
print(ans)


### FIXED CODE ###

import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)

from itertools import product

n, m, x = map(int, readline().split())
ca = [list(map(int, readline().split())) for _ in range(n)]
ans = float('inf')
for bit in product([0, 1], repeat=n):
    cnt = 0
    memo = [0] * m
    for i in range(n):
        if bit[i] == 1:
            cnt += ca[i][0]
            for j in range(m):
                memo[j] += ca[i][j + 1]
    for j in range(m):
        if memo[j] < x:
            break
    else:
        ans = min(ans, cnt)
if ans == float('inf'):
    ans = -1
print(ans)
n,m=map(int,input().split())
l=[]
for _ in range(m):
    l.append(int(input()))
#print(l)
dp=[0]*(n+1)
dp[0]=1
if l[0]!=1:dp[1]=1
for i in range(2,n+1):
    if i in l:
        dp[i]=0
    else:
        dp[i]=dp[i-1]+dp[i-2]
print(dp[-1]%1000000007)

### FIXED CODE ###

n,m=map(int,input().split())
a=[-1]
for i in range(m):
    s=int(input())
    a.append(s)  
a.append(n+1)
if 1 in a:
    a=a[1:]
if n-1 in a:
    a=a[:-1]
b=[]
for i in range(len(a)-1):
    b.append(a[i+1]-a[i]-2)
l=[1,1,2]
for i in range(3,n+1):
    l.append(l[i-2]+l[i-1])
ans=1
#print(a,b,l)
for i in range(len(b)):
    if b[i]<0:
        print(0)
        break
    else:
        ans*=l[b[i]]%1000000007
else:
    print(ans%1000000007)
n = int(input())
AS = list(map(int,input().split()))

points = [0,0]#alice,bob
i = 0
while AS:
  point = max(AS)
  points[i] += point
  AS.remove(point)
  i = 1-i
print(point[0]-point[1])

### FIXED CODE ###

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

points = [0,0]#alice,bob
i = 0
while AS:
  point = max(AS)
  points[i] += point
  AS.remove(point)
  i = 1-i
print(points[0]-points[1])
n = input()

S = map(int, raw_input().split())

q = input()

T = map(int, raw_input().split())

S.append(0)
cnt = 0
for i in range(q):
    j = 0
    S[n] = T[j]
    while S[j] != S[n]:
        j = j + 1
    if j != n:
        cnt = cnt + 1


print cnt

### FIXED CODE ###

n = input()

S = map(int, raw_input().split())

q = input()

T = map(int, raw_input().split())

S.append(0)
cnt = 0
for i in range(q):
    j = 0
    S[n] = T[i]
    while S[j] != S[n]:
        j = j + 1
    if j != n:
        cnt = cnt + 1


print cnt
import bisect, collections, copy, heapq, itertools, math, string
import sys
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int, sys.stdin.readline().rstrip().split())
def LI(): return list(map(int, sys.stdin.readline().rstrip().split()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())

def main():
    import bisect, collections, copy, heapq, itertools, math, string
    import sys
    def I():
        return int(sys.stdin.readline().rstrip())

    def MI():
        return map(int, sys.stdin.readline().rstrip().split())

    def LI():
        return list(map(int, sys.stdin.readline().rstrip().split()))

    def S():
        return sys.stdin.readline().rstrip()

    def LS():
        return list(sys.stdin.readline().rstrip().split())

    def main():
        from collections import deque
        N, M = MI()
        fri_list = []
        num_list = [0] * (N + 1)
        for i in range(M):
            a, b = MI()
            if num_list[a] == 0 and num_list[b] == 0:
                fri_list.append([a, b])
            elif num_list[a] == 0 or num_list[b] == 0:
                for l in fri_list:
                    if a in l:
                        l.append(b)
                    elif b in l:
                        l.append(a)
            else:
                continue
            num_list[a] = num_list[b] = 1

        len_list = []
        for l in fri_list:
            x = len(l)
            len_list.append(x)
        ans = max(len_list)
        print(ans)

    if __name__ == "__main__":
        main()




if __name__ == "__main__":
    main()

### FIXED CODE ###

import bisect, collections, copy, heapq, itertools, math, string
import sys
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int, sys.stdin.readline().rstrip().split())
def LI(): return list(map(int, sys.stdin.readline().rstrip().split()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())

def main():
    from collections import deque
    N, M = MI()
    fri_list = [[] for _ in range(N)]
    for i in range(M):
        a, b = MI()
        fri_list[a - 1].append(b - 1)
        fri_list[b - 1].append(a - 1)

    #print(fri_list)
    group_list = []
    num_list = [0] * N
    for i in range(0, N):
        if num_list[i] == 0:
            num_list[i] = 1
            #print(i, 'i')
            cnt = 1
            queue = deque([i])
            while queue:
                v = queue.popleft()
                #print(v, 'v')
                for j in fri_list[v]:
                    #print(j, 'j')
                    if num_list[j] == 0:
                        num_list[j] = 1
                        queue.append(j)
                        cnt += 1
            group_list.append(cnt)

    ans = max(group_list)
    print(ans)

if __name__ == "__main__":
    main()
A,B=map(int,input().split())
print("Yay!" if A<=8 and B<=8 else ":(")

### FIXED CODE ###

A=list(map(int,input().split()))
A=sorted(A)
print(abs(A[2]-A[0]))
# -*- coding: utf-8 -*-

H,W = map(int, input().split())
Ch,Cw = map(int, input().split())
Dh,Dw = map(int, input().split())
S = [input() for _ in range(H)]

A = [[-1 for _ in range(W)] for _ in range(H)]
A[Ch-1][Cw-1] = 0

def isValid(h,w):
  if h>=0 and h<H and w>=0 and w<W and S[h][w]=='.' and A[h][w]==-1:
    return True
  else:
    return False

warp = 0
BFS_now = set()
BFS_now.add((Ch-1, Cw-1))
BFS_search = set()
BFS_search.add((Ch-1, Cw-1))
ij = [(-1,0),(0,-1),(0,1),(1,0)]

while len(BFS_now)>0:
  while len(BFS_search)>0:
    BFS_search_tmp = set()
    for h,w in BFS_search:
      for i,j in ij:
        if isValid(h+i,w+j):
          BFS_search_tmp.add((h+i,w+j))
          BFS_now.add((h+i,w+j))
          A[h+i][w+j] = warp
    BFS_search = BFS_search_tmp
  BFS_now_tmp = set()
  for h,w in BFS_now:
    for i in range(-2,3):
      for j in range(-2,3):
        if isValid(h+i,w+j):
          BFS_now_tmp.add((h+i,w+j))
          A[h+i][w+j] = warp + 1
  BFS_now = BFS_now_tmp
  BFS_search = BFS_now_tmp
  warp += 1

print(A[Dh-1][Dw-1])

### FIXED CODE ###

# -*- coding: utf-8 -*-

H,W = map(int, input().split())
Ch,Cw = map(int, input().split())
Dh,Dw = map(int, input().split())
S = [input() for _ in range(H)]

A = [[-1 for _ in range(W)] for _ in range(H)]
A[Ch-1][Cw-1] = 0

def isValid(h,w):
  if h>=0 and h<H and w>=0 and w<W and S[h][w]=='.' and A[h][w]==-1:
    return True
  else:
    return False

warp = 0
BFS_now = [(Ch-1, Cw-1)]
BFS_search = [(Ch-1, Cw-1)]
ij = [(-1,0),(0,-1),(0,1),(1,0)]
while len(BFS_now)>0:
  while len(BFS_search)>0:
    BFS_search_tmp = []
    for h,w in BFS_search:
      for i,j in ij:
        if isValid(h+i,w+j):
          BFS_search_tmp.append((h+i,w+j))
          A[h+i][w+j] = warp
    BFS_now += BFS_search_tmp
    BFS_search = BFS_search_tmp
  BFS_now_tmp = []
  for h,w in BFS_now:
    for i in range(-2,3):
      for j in range(-2,3):
        if isValid(h+i,w+j):
          BFS_now_tmp.append((h+i,w+j))
          A[h+i][w+j] = warp + 1
  BFS_now = BFS_now_tmp
  BFS_search = BFS_now_tmp
  warp += 1

print(A[Dh-1][Dw-1])
from math import sqrt, floor
from functools import reduce


def factorization(N):
    s = floor(sqrt(N))
    result = []
    for i in range(2, s + 1):
        if N % i == 0:
            r = 0
            while(N % i == 0):
                N //= i
                r += 1
            result += [i] * r
    if result == []:
        result = [1, N]
    return result


N = int(input())
p = factorization(N)
a = int(reduce(lambda x, y: x * y, p[0::2]))
b = int(reduce(lambda x, y: x * y, p[1::2]))

print(max(len(str(a)), len(str(b))))


### FIXED CODE ###

from math import sqrt, floor
N = int(input())
a = 1
for i in range(2, floor(sqrt(N)) + 10):
    if N % i == 0:
        a = i

print(max(len(str(a)), len(str(N // a))))
import sys
import math
from functools import reduce


def main():
    input = sys.stdin.readline
    K = int(input())
    assert 1 <= K <= 200
    total = 0
    for i in range(1, K+1):
        for j in range(1, K+1):
            a = euclidean_algorithm(i, j)
            for k in range(1, K+1):
                total += euclidean_algorithm(a, k)
    print(total)


def gcd_list(numbers):
    return reduce(euclidean_algorithm, numbers)


def euclidean_algorithm(a, b):
    r = a % b
    while r != 0:
        a = b
        b = r
        r = a % b
    return b


if __name__ == "__main__":
    main()


### FIXED CODE ###

import sys
input = sys.stdin.readline
N = input()
assert 100 <= int(N) <= 999
print("Yes") if str(7) in N else print("No")
s = input()
a = ascii_lowercase

for i in range(len(a)):
    if a[i] not in s:
        print(a[i])
        break
    elif(i == 25):
        print("None")

### FIXED CODE ###

from string import * 
s = input()
a = ascii_lowercase

for i in a:
    if i not in s:
        print(i)
        break
    if i == "z":
        print("None")
        break
k = int(input())
a, b = map(int, input().split())

if b -a >= k and k < a
  print('OK')
else:
  print('NG')

### FIXED CODE ###

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

for cnt in range(a, b + 1):
  if cnt % k == 0:
    print('OK')
    break
  elif cnt + 1 == b + 1:
    print('NG')
n,m = map(int, input().split())
x = list(map(int, input().split()))
x.sort()

dis=[]
if n>m: 
    print(0)
else:
    for i in range(m-1):
        dis[i] = x[i+1] - x[i]

    dis.sort() 

    print(sum(dis[:m-n]))

### FIXED CODE ###

n, m = map(int, input().split())
x = list(map(int, input().split()))
x.sort()
d = [x[i] - x[i-1] for i in range(1, m)]
d.sort()
print(sum(d[:m-n]) if m >= n else 0)
init = input().split()
N = int(init[0])
K = int(init[1])

prices = [int(input()) for i in range(N)]
prices.sort()

sum = 0
for i, ele in enumerate(prices):
  if i == K:
    break
  else
  	sum = sum + ele
print(sum)

### FIXED CODE ###

init = input().split()
N = int(init[0])
K = int(init[1])
 
prices = list(map(int, input().split()))
prices.sort()
 
sum = 0
for i, ele in enumerate(prices):
  if i >= K:
    break
  else:
  	sum = sum + ele
print(sum)
n,k=map(int,input().split())
A=list(map(int,input().split()))
A.sort()
ans=int(0)
for i in ramge(n-k,n):
    ans+=A[i]
print(ans)

### FIXED CODE ###

n,k=map(int,input().split())
A=list(map(int,input().split()))
A.sort()
ans=int(0)
for i in range(n-k,n):
	ans+=A[i]
print(ans)
n = int(input())

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)


if len(divisors) > 2:
    print(min(divisors[-1]+divisors[-2]-2,divisors[-3]+divisors[-4]-2))
else:
    print(divisors[-1]+divisors[-2]-2)


### FIXED CODE ###

n = int(input())

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)

divisors.append(divisors[-1])

aaa = 0
bbb = 10**12+1
j = 0

for i in range(1,len(divisors)//2+1):
    aaa = divisors[j]+divisors[j+1]-2
    if aaa < bbb:
        bbb = aaa
    j += 2
    
print(bbb)