Harryxun/stf_run huggingface dataset:
n = input()
iter_ = iter(list(map(int, input().rstrip("\n").split())))
ans = 0

last = next(iter_)
try:
    while True:
        ans += 1
        now = next(iter_)
        while now == last:
            now = next(iter_)
        laststate = (last < now)
        state = laststate
        print(f"out: {last}, {now}")
        while state == laststate:
            last = now
            now = next(iter_)
            while now == last:
                now = next(iter_)
            state = (last < now)
            print(f"in: {last}, {now}")
        last = now
except StopIteration:
    print(ans)


### FIXED CODE ###

n = input()
iter_ = iter(list(map(int, input().rstrip("\n").split())))
ans = 0

last = next(iter_)
try:
    while True:
        ans += 1
        now = next(iter_)
        while now == last:
            now = next(iter_)
        laststate = (last < now)
        state = laststate
        while state == laststate:
            last = now
            now = next(iter_)
            while now == last:
                now = next(iter_)
            state = (last < now)
        last = now
except StopIteration:
    print(ans)
import math


def insertion_sort(A, N, g):
    for i in range(g, N):
        v = A[i]
        j = i - g
        while j >= 0 and A[j] > v:
            # v????????§???????????°???????????????
            A[j+g] = A[j]
            j -= g
        A[j+g] = v
        print(*A)


def shell_sort(a, n):
    g = []
    gap = 1
    while gap <= math.ceil(n / 3):
        g.append(gap)
        gap = 3 * gap + 1
    g = g[::-1]
    m = len(g)
    print(m)
    print(*g)
    cnt = 0
    for i in range(m):
        cnt += insertion_sort(a, n, g[i])
    print(cnt)

n = int(input())
a = []
for i in range(n):
    a.append(int(input()))
shell_sort(a, n)
print("\n".join(map(str, a)))

### FIXED CODE ###

import math


def insertionsort(a, n, g):
    cnt = 0
    for i in range(g, n):
        v = a[i]
        j = i - g
        while j >= 0 and a[j] > v:
            a[j + g] = a[j]
            j = j - g
            cnt += 1
        a[j + g] = v
    return cnt


def shellsort(a, n):
    g = []
    gap = 1
    while gap <= math.ceil(n / 3):
        g.append(gap)
        gap = 3 * gap + 1
    g = g[::-1]
    m = len(g)
    print(m)
    print(*g)
    cnt = 0
    for i in range(m):
        cnt += insertionsort(a, n, g[i])
    print(cnt)

n = int(input())
a = []
for i in range(n):
    a.append(int(input()))
shellsort(a, n)
print("\n".join(map(str, a)))
n=int(input())
print((n-1)*n//2)


### FIXED CODE ###

S = input()
T = input()

cnt = 0

for i in range(len(S)):
    if S [i] == T[i]:
        cnt += 1

print(cnt)
n, a, b, = map(int,input().split())
ans = 0
for i in range(n+1):
    if a <= sum(list(map(int,list(str(i))))) <= b
        ans += i
print(ans)
    

### FIXED CODE ###

n, a, b = map(int, input().split())
ans = 0
for i in range(n+1):
    if a <= sum(list(map(int, list(str(i))))) <= b:
        ans += i
print(ans)
N = list(map(int, input().split()))
K = map(int, input().split())
l = 0
std = sorted(N, reverse = True)
for i = 0 and i <= K and i += 1:
  l += std[i]

### FIXED CODE ###

N, K = map(int, input().split())
l = list(map(int, input().split()))
std = sorted(l, reverse = True)
print(sum(std[0:K]))
N=input()
H=input()
W=input()

print((N-W+1)*(N-H+1))

### FIXED CODE ###

N=int(input())
H=int(input())
W=int(input())

print((N-W+1)*(N-H+1))
import math

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

MOD = 10**9 + 7

def make_fact_list(n, MOD):
    # make factorial list from 0 to n
    fact = [0] * (n+1)
    inv = [0] * (n+1)
    factinv = [0] * (n+1)

    fact[0]=fact[1]=1
    inv[1]=1
    factinv[0]=factinv[1]=1

    for i in range(2,n+1):
        fact[i] = fact[i-1] * i % MOD
        inv[i] = MOD - (( inv[MOD % i] *  (MOD // i)) % MOD )
        factinv[i] = factinv[i-1] * inv[i] % MOD
    
    return fact, factinv

def cbn(n_f, k, MOD, fact = [], factinv = []):
    if len(fact) == 0 and len(factinv) == 0:
        fact, factinv = make_fact_list(n, MOD)
    return fact[n] * factinv[n-k] * factinv[k] % MOD

def power_with_mod(x, n, MOD):
    if n == 0:
        return 1
    elif n % 2 == 0:
        return power_with_mod(x*x % MOD , n // 2, MOD) % MOD
    else:
        return x * power_with_mod(x * x % MOD, n // 2, MOD) % MOD

s = power_with_mod(2, n, MOD)-1

fact, factinv = make_fact_list(n, MOD)

s -= cbn(n, a, MOD, fact, factinv)
s -= cbn(n, b, MOD, fact, factinv)


print(s)

### FIXED CODE ###

import math

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

MOD = int(1e9) + 7

s = pow(2, n, MOD)-1

def cbn(n, a, MOD):
    x = 1
    for i in range(a):
        x = (x * (n-i)) % MOD

    y = math.factorial(a) % MOD
    return x * pow(y, MOD-2, MOD) %MOD

s = (s- cbn(n, a, MOD)) %MOD
s = (s- cbn(n, b, MOD)) %MOD


print(s)
N = int(input())

pos = []
for _ in range(N):
    tmp = tuple(map(int, input().split()))
    pos.append(tmp)

pos.sort()

dic = dict()
for i in range(N):
    for j in range(i+1,N):
        distance = (pos[j][0]-pos[i][0], pos[j][1]-pos[i][1])
        #print(f'{distance=}')
        if distance in dic:
            dic[distance] += 1
        else:
            dic[distance] = 1

max_frenquency = max(dic.values())

print(N-max_frenquency)

### FIXED CODE ###

N = int(input())

pos = []
for _ in range(N):
    tmp = tuple(map(int, input().split()))
    pos.append(tmp)

pos.sort()

dic = dict()
for i in range(N):
    for j in range(i+1,N):
        distance = (pos[j][0]-pos[i][0], pos[j][1]-pos[i][1])
        #print(f'{distance=}')
        if distance in dic:
            dic[distance] += 1
        else:
            dic[distance] = 1
if dic :
    max_frenquency = max(dic.values())

    print(N-max_frenquency)
else:
    print(N)
from itertools import accumulate

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

sum_l = [0]+list(accumulate(a))
sum_r = [0]+list(accumulate(a[:-1]))

cost = sum_r[-1]
for i in range(n+1):
    cost = min(cost, abs(sum_l[i]-sum_r[n-i]))
print(cost)

### FIXED CODE ###

from itertools import accumulate

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

sum_l = [0]+list(accumulate(a))
sum_r = [0]+list(accumulate(a[-1::-1]))

cost = sum_r[-1]
for i in range(n+1):
    cost = min(cost, abs(sum_l[i]-sum_r[n-i]))
print(cost)
nums = input().split()
a = int(nams[0])
b = int(nums[1])
c = int(nums[2])
if a < b < c:
    print(a,b,c,)

### FIXED CODE ###

x = input().split()
 
a = int(x[0])
b = int(x[1])
c = int(x[2])
 
if a < b < c :
    print("Yes")
else :
    print("No")
x=int(input())
a=int(input())
b=int(input())
prnit((x-a)%b)

### FIXED CODE ###

x=int(input())
a=int(input())
b=int(input())
print((x-a)%b)
def main():
    import collections
    import sys
    sys.setrecursionlimit(5000000)
    input = sys.stdin.readline
    N=int(input())
    S=input()
    if N<=3:
        print(0)
    else:
        str_list=list(S[:N])
        result=0
        c=collections.Counter(str_list)
        RGB_list=c.most_common()

        if len(c)<2:
            print(0)

        else:

            list1=[i for i, x in enumerate(str_list) if x == RGB_list[0][0]]
            list2=[i for i, x in enumerate(str_list) if x == RGB_list[1][0]]
            list3=[i for i, x in enumerate(str_list) if x == RGB_list[2][0]]
            list23=[]

        
            for i in list3:
                for j in list2:
                    list23+=[2*i-j,2*j-i,(i+j)/2]
            c1=collections.Counter(list23)
            for k in list1:
                for l in c1.keys():
                    if k==l:
                        result+=c1[l]
            print(int(RGB_list[0][1]*RGB_list[1][1]*RGB_list[2][1]-result))

if __name__ == '__main__':
    main()


### FIXED CODE ###

def main():
    import collections
    import sys
    sys.setrecursionlimit(5000000)
    input = sys.stdin.readline
    N=int(input())
    S=input()
    if N<=3:
        print(0)
    else:
        str_list=list(S[:N])
        result=0
        c=collections.Counter(str_list)
        RGB_list=c.most_common()

        if len(c)<3:
            print(0)

        else:

            list1=[i for i, x in enumerate(str_list) if x == RGB_list[0][0]]
            list2=[i for i, x in enumerate(str_list) if x == RGB_list[1][0]]
            list3=[i for i, x in enumerate(str_list) if x == RGB_list[2][0]]
            list23=[]

        
            for i in list3:
                for j in list2:
                    list23+=[2*i-j,2*j-i,(i+j)/2]
            c1=collections.Counter(list23)
            for k in list1:
                for l in c1.keys():
                    if k==l:
                        result+=c1[l]
            print(int(RGB_list[0][1]*RGB_list[1][1]*RGB_list[2][1]-result))

if __name__ == '__main__':
    main()
INT = lambda: int(input())
INTM = lambda: map(int,input().split())
STRM = lambda: map(str,input().split())
STR = lambda: str(input())
LIST = lambda: list(map(int,input().split()))
LISTS = lambda: list(map(str,input().split()))
def do():
    a,b=INTM()
    if (a+b)%2==1:
        print('IMPOSSIBLE')
    else:
        print((a+B)//2)
if __name__ == '__main__':
    do()

### FIXED CODE ###

INT = lambda: int(input())
INTM = lambda: map(int,input().split())
STRM = lambda: map(str,input().split())
STR = lambda: str(input())
LIST = lambda: list(map(int,input().split()))
LISTS = lambda: list(map(str,input().split()))
def do():
    a,b=INTM()
    if (a+b)%2==1:
        print('IMPOSSIBLE')
    else:
        print((a+b)//2)
if __name__ == '__main__':
    do()
imports sys

def sub(field, x, y):
  if y < 0 or x < 0 or y >= len(field) or x >= len(field[y]):
    return True
  if field[y][x] != '#':
    return False
  return True

def isok(field, x, y):
  units = [(0, 1), (1, 0), (0, -1), (-1, 0)]
  for unit in units:
    _x = x + unit[0]
    _y = y + unit[1]
    if not sub(field, _x, _y):
      return False
  return True
    
l = sys.stdin.readline()
xy = [int(x) for x in l.rstrip('¥n').split(' ')]
height = xy[0]
width = xy[1]

field = []
for _ in xrange(height):
  field.append(sys.stdin.readline())
 
for y in len(field):
  for x in len(field[y]):
    if not isok (field, x, y):
      print 'No'
print 'Yes'


### FIXED CODE ###

import sys

def sub(field, x, y):
  if y < 0 or x < 0 or y >= len(field) or x >= len(field[y]):
    return True
  if field[y][x] == '#':
    return True
  return False

def isok(field, x, y):
  units = [(0, 1), (1, 0), (0, -1), (-1, 0)]
  for unit in units:
    _x = x + unit[0]
    _y = y + unit[1]
    if sub(field, _x, _y):
      return True
  return False


l = sys.stdin.readline()
xy = [int(x) for x in l.rstrip('\n').split(' ')]
height = xy[0]
width = xy[1]

field = []
for _ in xrange(height):
  field.append(sys.stdin.readline().rstrip('\n'))

for y in xrange(len(field)):
  for x in xrange(len(field[y])):
    if field[y][x] == '#' and not isok(field, x, y):
      print 'No'
      exit()
print 'Yes'
def solve():
  N, K = map(int, input().split())
  H = [int(i) for i in input().split()]
  return len(list(filter(lambda h: h >= K, H)))

print(solve())

### FIXED CODE ###

def solve():
  N = int(input())
  A = sorted([(i, int(v)) for i, v in enumerate(input().split())])
  sortedList = [-1] * N
  for i, a in A:
    sortedList[a - 1] = str(i + 1)
  return ' '.join(sortedList)

print(solve())
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a


sum_list = [] 

# print(rui)
for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

bin_list = [[0 for _ in range(32)] for _ in range(len(sum_list))]

for i,s in enumerate(sum_list):
    tmps = str(bin(s))[2:]
    for j, b in enumerate(reversed(tmps)):
        bin_list[i][j] = int(b)


### FIXED CODE ###

# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

max_val = max(sum_list)
max_2pow = len(bin(max_val)[2:])
ans = 0
# print(ans,max_2pow)
while max_2pow > 0:
    tmp = ans + 2**(max_2pow-1)
    if sum([1 for v in sum_list if v & tmp == tmp]) >= K:
        ans += 2**(max_2pow-1)
    max_2pow -= 1

print(ans)
import numpy as np

N = int(input())
p = [0] + list(input().split())

for i in range(1, N+1):
    item = p[i].replace('0.', '')
    p[i] = int(item)

#print(p)

dp = np.zeros((3100, 3100))
#dp[i, j] = i枚目までのコインを投げて，表の個数がj枚である確率 * (10**(2*i))
#pythonのlistだと遅いので，numpyにおけるベクトル漸化式としてdpを埋めていく

dp[1, 0] = 100-p[1]
dp[1, 1] = p[1]

for i in range(2, N + 1):
    dp[i] = (np.roll(dp[i-1], 1) * p[i] + dp[i-1] * (100-p[i])) // 10**max(0, i-10)
    #dp[i][j] = i-1枚目までで表がj-1かつi回目で表　＋　i-1回目までで表がj枚かつi回目で裏（MECE）
    #つまり，dp[i][j] = dp[i-1][j-1] * p[i] + dp[i-1][j] * (1 - p[i])
    #numpyを使ってベクトル漸化式と見ることで，for_loopを一層分解消。
    #print(i, j, dp[i][j])
    #プログラムの仕組み上，iが一つ進むと，100 * 100 = 10**4　ずつスケールが大きくなっていく。10**10で打ち切る。


ans = 0

for k in range(-(-N//2), N+1):
    ans += dp[N, k]

dig = min(2*N, 10)

print(ans/10**dig)

### FIXED CODE ###

import numpy as np

N = int(input())
p = [0] + list(map(float, input().split()))

dp = np.zeros((3100, 3100))
#dp[i, j] = i枚目までのコインを投げて，表の個数がj枚である確率
#pythonのlistだと遅いので，numpyにおけるベクトル漸化式としてdpを埋めていく

dp[1, 0] = 1-p[1]
dp[1, 1] = p[1]

for i in range(2, N + 1):
    dp[i] = np.roll(dp[i-1], 1) * p[i] + dp[i-1] * (1-p[i])
    #dp[i][j] = i-1枚目までで表がj-1かつi回目で表　＋　i-1回目までで表がj枚かつi回目で裏（MECE）
    #つまり，dp[i][j] = dp[i-1][j-1] * p[i] + dp[i-1][j] * (1 - p[i])
    #numpyを使ってベクトル漸化式と見ることで，for_loopを一層分解消。
    #print(i, j, dp[i][j])

ans = 0

for k in range(-(-N//2), N+1):
    ans += dp[N, k]

print(ans)
import numpy as np

H, W, M = map(int, input().split())
h = np.zeros(H)
w = np.zeros(W)
m = {}
flag = 0

for _ in range(M):
    tmp_h, tmp_w = map(int, input().split())
    h[tmp_h-1] += 1
    w[tmp_w-1] += 1
    m[(tmp_h-1, tmp_w-1)] = 1.

h_max = np.max(h)
h_max_index = list(zip(*np.where(h == h_max)))
w_max = np.max(w)
w_max_index = list(zip(*np.where(w == w_max)))

for i in h_max_index:
    for j in w_max_index:
        if (i[0], j[0]) not in m.keys():
            flag = 1
            break

if flag == 1:
    print(h_max + w_max)
else:
    print(h_max + w_max - 1)

### FIXED CODE ###

import numpy as np

H, W, M = map(int, input().split())
h = np.zeros(H)
w = np.zeros(W)
m = {}
flag = 0

for _ in range(M):
    tmp_h, tmp_w = map(int, input().split())
    h[tmp_h-1] += 1
    w[tmp_w-1] += 1
    m[(tmp_h-1, tmp_w-1)] = 1.

h_max = np.max(h)
h_max_index = list(zip(*np.where(h == h_max)))
w_max = np.max(w)
w_max_index = list(zip(*np.where(w == w_max)))

for i in h_max_index:
    for j in w_max_index:
        if (i[0], j[0]) not in m.keys():
            flag = 1
            break

if flag == 1:
    print(int(h_max + w_max))
else:
    print(int(h_max + w_max - 1))
r = int(input("r--->"))
g = int(input("g--->"))
b = int(input("b--->"))

if r < 0 and r > 9:
    print("0<=r<=9")
if g < 0 and g > 9:
    print("0<=g<=9")
if b < 0 and b > 9:
    print("0<=b<=9")

s = 100*r+10*b+g

if s%4 == 0:
    print("YES")
else:
    print("NO")

### FIXED CODE ###

r, g, b = (int(x) for x in input().split())


s = 100*r+10*g+b

if s%4 == 0:
    print("YES")
else:
    print("NO")
r = int(input())
pi = math.pi
s = r*r*pi
l = 2*r*pi
print("{:.6f}".format(s),"{:.6f}".format(l))


### FIXED CODE ###

r = float(input())
from math import pi
s = r*r*pi
l = 2*r*pi
print("{:.6f}".format(s),"{:.6f}".format(l))
from collections import deque


def bellman_ford(N, adj, start):
    ans = [float("inf")] * N
    q = deque()
    q.append((start, 0, {}))
    while len(q):
        i, cost, history = q.popleft()
        if cost >= ans[i]:
            continue
        ans[i] = cost
        history = {k: history[k] for k in history}
        history[i] = cost
        for j in adj[i]:
            ncost = cost + adj[i][j]
            if j in history and history[j] > ncost:
                ncost = -float("inf")
            q.append((j, ncost, history))
    return ans


def main():
    N, M, P = map(int, input().split())
    adj = [{} for _ in range(N)]
    for _ in range(N):
        A, B, C = map(int, input().split())
        adj[A-1][B-1] = P-C
    costs = bellman_ford(N, adj, 0)
    ans = -costs[N-1]
    if ans < 0:
        print(0)
    elif ans == float("inf"):
        print(-1)
    else:
        print(ans)


if __name__ == "__main__":
    main()


### FIXED CODE ###

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


def bellman_ford(N, adj, start):
    ans = [float("inf")] * N
    q = deque()
    q.append((start, 0, 0))
    while len(q):
        i, cost, path = q.pop()
        if cost >= ans[i]:
            continue
        ans[i] = cost
        for j in adj[i]:
            ncost = cost + adj[i][j]
            if path > N:
                ncost = -float("inf")
            q.append((j, ncost, path+1))
    return ans


def main():
    N, M, P = map(int, input().split())
    adj = [{} for _ in range(N)]
    for _ in range(M):
        A, B, C = map(int, input().split())
        if B-1 in adj[A-1]:
            adj[A-1][B-1] = min(P-C, adj[A-1][B-1])
        else:
            adj[A-1][B-1] = P-C
    costs = bellman_ford(N, adj, 0)
    ans = -costs[N-1]
    if ans < 0:
        print(0)
    elif ans == float("inf"):
        print(-1)
    else:
        print(ans)


if __name__ == "__main__":
    main()
if __name__ == '__main__':
	S = input()
	LEN = len(S)
	r = LEN
	l = LEN-1
	count = 0
	lst = []
	amari = 0
	while(l >= 0):
		amari = (amari + int(S[l])*10**(l-1)%2019)%2019
		
		if amari in lst:
			count += 1
		elif amari == 0:
			count += 1
			lst.append(count)
		else:
			lst.append(amari)
		l -= 1

	print(count)

### FIXED CODE ###

if __name__ == '__main__':
	 S, W = map(int,input().split())
	 if S <= W:
	 	print('unsafe')
	 else:
	 	print('safe')
N, Y = map(int, input().split())

a = 0

for i in range(N):
    for ii in range(N):
        for iii in range(N):
            ans = 10000 * i + 5000 * ii + 1000 * iii
            J = i + ii + iii
            if ans == Y and J == N:
                print(i,ii,iii)
                a += 1
                break
        if a != 0:
            break
    if a != 0:
        break

if a == 0:
    print(-1,-1,-1)


### FIXED CODE ###

S = str(input())

print(S.replace('7', '8', 1))
H, W = map(int, raw_input().split())
best = H * W
for h in range(H):
    S[0] = h * W

    S[1] = (H - h) * (W / 2)
    S[2] = (H - h) * (W - W / 2)

    if best > max(S) - min(S):
        best = max(S) - min(S)

    S[1] = (H - h) / 2 * W
    S[2] = (H - h - (H - h) / 2) * W

    if best > max(S) - min(S):
        best = max(S) - min(S)
H, W = W, H
for h in range(H):
    S[0] = h * W

    S[1] = (H - h) * (W / 2)
    S[2] = (H - h) * (W - W / 2)

    if best > max(S) - min(S):
        best = max(S) - min(S)

    S[1] = (H - h) / 2 * W
    S[2] = (H - h - (H - h) / 2) * W

    if best > max(S) - min(S):
        best = max(S) - min(S)

print best

### FIXED CODE ###

H, W = map(int, raw_input().split())
best = H * W
S = [0, 0, 0]
for h in range(H):
    S[0] = h * W

    S[1] = (H - h) * (W / 2)
    S[2] = (H - h) * (W - W / 2)

    if best > max(S) - min(S):
        best = max(S) - min(S)

    S[1] = (H - h) / 2 * W
    S[2] = (H - h - (H - h) / 2) * W

    if best > max(S) - min(S):
        best = max(S) - min(S)
H, W = W, H
for h in range(H):
    S[0] = h * W

    S[1] = (H - h) * (W / 2)
    S[2] = (H - h) * (W - W / 2)

    if best > max(S) - min(S):
        best = max(S) - min(S)

    S[1] = (H - h) / 2 * W
    S[2] = (H - h - (H - h) / 2) * W

    if best > max(S) - min(S):
        best = max(S) - min(S)

print best
n, k = map(int, input().split())
aa = list(map(int, input().split()))
import numpy as np
aa = np.array(aa)
mod = 10**9+7

def mul(dd):
    ret = 1
    for d in dd:
        ret = (ret*d)%mod
    return ret

def sol(aa, n, k):
    aap = aa[aa>0]
    aam = aa[aa<0]
    if n == k:
        return mul(aa)
    if len(aam) == n and k%2==1:
        aam.sort()
        aam = aam[::-1]
        return mul(aam[:k])

    aap.sort()
    aap = aap[::-1]
    aam.sort()

    ret=1
    if k%2 >0:
        k = k-1
        ret *= aap[0]
        aap = aap[1:]

    aap2 = [aap[2*i]*aap[2*i+1] for i in range(len(aap)//2)]
    aam2 = [aam[2*i]*aam[2*i+1] for i in range(len(aam)//2)]
    aap2.extend(aam2)
    aap2.sort(reverse=True)
    return (ret*mul(aap2[:k//2]))%mod

print(sol(aa, n, k))

### FIXED CODE ###

import numpy as np
n, k = map(int, input().split())
aa = list(map(np.int64, input().split()))
aa = np.array(aa)

def mul(dd):
    mod = 10**9+7
    ret = 1
    for d in dd:
        ret = (ret*d)%mod
    return ret

def sol(aa, n, k):
    mod = 10**9+7
    aap = aa[aa>0]
    aam = aa[aa<0]
    if n == k:
        return mul(aa)
    if len(aap) + 2*(len(aam)//2) < k:
        return 0

    # マイナスのみ
    if len(aam) == n:
        aam.sort()
        if k%2==1:
            return mul(aam[-k:])
        else:
            return mul(aam[:k])

    aap = aa[aa>=0]
    aap.sort()
    aap = aap[::-1]
    aam.sort()

    ret=1
    if k%2 >0:
        k = k-1
        ret *= aap[0]
        aap = aap[1:]

    aap2 = [aap[2*i]*aap[2*i+1] for i in range(len(aap)//2)]
    aam2 = [aam[2*i]*aam[2*i+1] for i in range(len(aam)//2)]
    aap2.extend(aam2)
    aap2.sort(reverse=True)
    aap2 = [i%mod for i in aap2]
    return (ret*mul(aap2[:k//2]))%mod
print(sol(aa, n, k))
MOD = 10**9 + 7
N,M= map(int,input().split())
S= list(map(int,input().split()))
T= list(map(int,input().split()))

def dpinit(ps, val=0):
    res = [val for i in [0]*ps[-1]]
    for i in ps[:-1][::-1]:
        res = [res.copy() for k in [0]*i]
    return res

dp = dpinit((N+1,M+1))
for i in range(N+1):
    dp[i][0] = 1
for j in range(M+1):
    dp[0][j] = 1

for i in range(1,N+1):
    s = S[i-1]
    for j in range(1,M+1):
        t = T[j-1]
        dp[i][j] += dp[i-1][j] + dp[i][j-1]
        if s != t:
            dp[i][j] -= dp[i-1][j-1]
        dp[i][j] %= MOD

print(dp[N][M])




### FIXED CODE ###

MOD = 10**9 + 7
N,M= map(int,input().split())
S= list(map(int,input().split()))
T= list(map(int,input().split()))

def dpinit(ps, val=0):
    res = [val for i in [0]*ps[-1]]
    for i in ps[:-1][::-1]:
        res = [res[:] for k in [0]*i]
    return res

dp = dpinit((N+1,M+1))
for i in range(N+1):
    dp[i][0] = 1
for j in range(M+1):
    dp[0][j] = 1

for i in range(1,N+1):
    s = S[i-1]
    for j in range(1,M+1):
        t = T[j-1]
        dp[i][j] += dp[i-1][j] + dp[i][j-1]
        if s != t:
            dp[i][j] -= dp[i-1][j-1]
        dp[i][j] %= MOD

print(dp[N][M])
#coding: utf-8
import math
import heapq
import bisect

MOD = 10**9+7

def gcd(A,B):
    if A>B:
        A,B = B,A

    if(A%B==0):
        return B
    else:
        return gcd(B,A%B)

A,B = map(int, input().split())
G = gcd(A,B)

ans = 1
for i in range(2,math.ceil(math.sqrt(G))+1):
    if G%i==0:
        ans+=1
        while G%i==0:
            G/=i
if G!=1:
    ans+=1

print(ans)


### FIXED CODE ###

#coding: utf-8
import math
import heapq
import bisect

MOD = 10**9+7

def gcd(A,B):
    if B>A:
        A,B = B,A

    if(A%B==0):
        return B
    else:
        return gcd(B,A%B)

A,B = map(int, input().split())
G = gcd(A,B)

ans = 1
for i in range(2,math.ceil(math.sqrt(G))+1):
    if G%i==0:
        ans+=1
        while G%i==0:
            G/=i
if G!=1:
    ans+=1

print(ans)
x = STDIN
print x**3

### FIXED CODE ###

x = input()
print x**3
n = int(input());l = [0]*9
for i in map(int, input().split()):l[i//400]+=1
mn = len(list(filter(lambda x:x>0, l[:8])))
print(mn, min(8, mn+l[8]))

### FIXED CODE ###

n = int(input());l = [0]*9
for i in map(int, input().split()):l[min(8,i//400)]+=1
mn = len(list(filter(lambda x:x>0, l[:8])))
print(max(1, mn), mn+l[8])