Harryxun/stf_run huggingface dataset:
n = int(input())
AB = [[0]+list(map(int,input().split())) for _ in range(n)]
CD = [list(map(int,input().split())) for _ in range(n)]
from operator import itemgetter
points = AB.copy()
for c,d in CD:
    points.append([1,c+0.1,d+0.1])
points.sort(key = itemgetter(1))
points.sort(key = itemgetter(2))

ans = 0
record = [0]*(2*n+1)
for flag, x, y in points:
    if flag:
        ans += sum(record[x:y])
    else:
        record[x] += 1
print(ans)
    

### FIXED CODE ###

n = int(input())
AB = [[0]+list(map(int,input().split())) for _ in range(n)]
CD = [list(map(int,input().split())) for _ in range(n)]
from operator import itemgetter

points = AB.copy()
for c,d in CD:
    points.append([1,c,max(0,d-0.1)])
points.sort(key = itemgetter(2))

ans = 0
record = [0]*(2*n+1)
for flag, x, y in points:
    if flag:
        for i in range(x-1,-1,-1):
            if record[i] > 0:
                ans += 1
                record[i] -= 1
                break
    else:
        record[x] += 1
print(ans)
N = int(input())
S = input()

total = []

def yugo(st,x):
	if len(st) == x + 1:
		return st[x]
	if st[x] == st[x + 1]:
		return yugo(st,x+1)
	else:
		return st[x] +  yugo(st,x+1)
	

print(int(len(yugo(S,0))))


### FIXED CODE ###

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

total = []
Y = 0

for i in range(N):
	if i == N-1:
		Y = Y + 1
		break
	if S[i] == S[i+1]:
		continue
	else:
		Y = Y + 1
		
print(Y)
import sys

N,M, K = map(int,input().split())
AB = [list(map(int,input().split())) for i in range(M)]
CD = [list(map(int,input().split())) for i in range(K)]


#xの木の根を求める
def root(x,li): 
    if li[x] == x:
        return x
    else:
        li[x] = root(li[x],li)
        return li[x]

#xとyが同じ集合に属するかの判定
def find(x,y,li):
    return root(x,li) == root(y,li)

#xとｙを併合
def union(x,y,li):
    x = root(x,li)
    y = root(y,li)
    if x==y:
        return
    else:
        li[x] = y

li1 = [i for i in range(N)]
li2 = [i for i in range(N)]

for i in range(M):
    a = AB[i][0]
    b = AB[i][1]
    union(a-1,b-1,li1)
for i in range(K):
    c = CD[i][0]
    d = CD[i][1]
    union(c-1,d-1,li2)

mm = [0 for i in range(max(li1))]
for i in range(N):
    m = root(i,li1)
    mm[m-1] += 1

# print(li1)
# print(mm)
ans = [mm[li1[i]-1]-1 for i in range(N)]
# print(ans)

for i in range(M):
    a = AB[i][0]
    b = AB[i][1]
    ans[a-1] -= 1
    ans[b-1] -= 1


for i in range(K):
    c = CD[i][0]
    d = CD[i][1]
    if find(c-1,d-1,li1):
        ans[c-1] -= 1
        ans[d-1] -= 1
print(*ans)





### FIXED CODE ###

import sys
sys.setrecursionlimit(100000)

N,M, K = map(int,input().split())
AB = [list(map(int,input().split())) for i in range(M)]
CD = [list(map(int,input().split())) for i in range(K)]


#xの木の根を求める
def root(x,li): 
    if li[x] == x:
        return x
    else:
        li[x] = root(li[x],li)
        return li[x]

#xとyが同じ集合に属するかの判定
def find(x,y,li):
    return root(x,li) == root(y,li)

#xとｙを併合
def union(x,y,li):
    x = root(x,li)
    y = root(y,li)
    if x==y:
        return
    else:
        li[x]=y

li1 = [i for i in range(N)]
li2 = [i for i in range(N)]

for i in range(M):
    a = AB[i][0]
    b = AB[i][1]
    # print(str(i)+" ",end="")
    union(min(a-1,b-1),max(a-1,b-1),li1)
# for i in range(K):
#     c = CD[i][0]
#     d = CD[i][1]
#     union(c-1,d-1,li2)

mm = [0 for i in range(max(li1)+1)]
for i in range(N):
    m = root(i,li1)
    mm[m] += 1

# print(li1)
# print(mm)
ans = [mm[li1[i]]-1 for i in range(N)]
# print(ans)

for i in range(M):
    a = AB[i][0]
    b = AB[i][1]
    ans[a-1] -= 1
    ans[b-1] -= 1


for i in range(K):
    c = CD[i][0]
    d = CD[i][1]
    if find(c-1,d-1,li1):
        ans[c-1] -= 1
        ans[d-1] -= 1
print(*ans)
N = input()
K = input()
l = list(map(int(input().split()))

print(N,K,l)
         
for i in l:
     ans = 0    
	 ans += min(i,K-i)
    
print(ans*2)
         

### FIXED CODE ###

N = input()
K = int(input())
l = input().split()
         

         
ans =0 
for i in l:
	s = int(i)
	ans += min(s,K-s)
print(ans*2)
k=int(input())
s=input()

mod=10**9+7

import sys
sys.setrecursionlimit(2147483647)

def cmb(n, r, p):
    if (r < 0) or (n < r):
        return 0
    r = min(r, n - r)
    return fact[n] * factinv[r] * factinv[n-r] % p
p = mod #割る数
N = 10 ** 6  # N は必要分だけ用意する
fact = [1, 1]  # fact[n] = (n! mod p)
factinv = [1, 1]  # factinv[n] = ((n!)^(-1) mod p)
inv = [0, 1]  # factinv 計算用
for i in range(2, N + 1):
    fact.append((fact[-1] * i) % p)
    inv.append((-inv[p % i] * (p // i)) % p)
    factinv.append((factinv[-1] * inv[-1]) % p)

ans=0

for i in range(k+1):
    ans = (ans+cmb(i+len(s)-1,i,mod)*pow(26,k-i,mod)*pow(25,i,mod)) % mod

    #print(end,len(s)+k-end,ans,cmb(end,len(s),mod),pow(25,end-len(s),mod),pow(26,len(s)+k-end,mod))

print(ans%mod)





### FIXED CODE ###

k=int(input())
s=input()

mod=10**9+7

import sys
sys.setrecursionlimit(10**9)

def cmb(n, r, p):
    if (r < 0) or (n < r):
        return 0
    r = min(r, n - r)
    return fact[n] * factinv[r] * factinv[n-r] % p
p = mod #割る数
N = 2*(10 ** 6)  # N は必要分だけ用意する
fact = [1, 1]  # fact[n] = (n! mod p)
factinv = [1, 1]  # factinv[n] = ((n!)^(-1) mod p)
inv = [0, 1]  # factinv 計算用
for i in range(2, N + 1):
    fact.append((fact[-1] * i) % p)
    inv.append((-inv[p % i] * (p // i)) % p)
    factinv.append((factinv[-1] * inv[-1]) % p)

ans=0

for i in range(k+1):
    ans = (ans+cmb(i+len(s)-1,i,mod)*pow(26,k-i,mod)*pow(25,i,mod)) % mod

    #print(end,len(s)+k-end,ans,cmb(end,len(s),mod),pow(25,end-len(s),mod),pow(26,len(s)+k-end,mod))

print(ans%mod)
N, X = map(int, input().split())
L = list(map(int, input().split()))

dist = 0
cnt = 0
for i in range(N):
  if dist <= X:
    dist += list[i]
    cnt += 1
  else:
    break;
    
print(cnt)

### FIXED CODE ###

N, X = map(int, input().split())
L = list(map(int, input().split()))

dist = 0
cnt = 1
for i in range(N):
  dist += L[i]
  if dist <= X:
    cnt += 1
  else:
    break;
  
print(cnt)
n = input()
A = list(map(int, input().split()))
B = list(map(int, input().split()))

score = 0
for i in range(n):
	if B[i] >= A[i] + A[i+1]:
		score = score + A[i] + A[i+1]
        A[i+1] = 0
	elif B[i] <= A[i]:
		score = score + B[i]
	else:
		score = score + B[i]
		A[i+1] = A[i+1] + A[i] - B[i]
print(score)

### FIXED CODE ###

n = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
 
score = 0
for i in range(n):
	if B[i] >= A[i] + A[i+1]:
		score = score + A[i] + A[i+1]
		A[i+1] = 0
	elif B[i] <= A[i]:
		score = score + B[i]
	else:
		score = score + B[i]
		A[i+1] = A[i+1] + A[i] - B[i]
print(score)
ABCD = list(map(int, input().split()))

for i in range(1 << 3):
    total = ABCD[0]
    equation = str(ABCD[0])
    for j in range(3):
        if i & (1 << j):
            total += ABCD[j+1]
            equation.append("+")
        else:
            total -= ABCD[j+1]
            equation.append("-")    
        equation.append(ABCD[j+1])
    if total == 7:
        equation.append("=7")
        print(equation)
        break

### FIXED CODE ###

ABCD = input()

for i in range(1 << 3):
    total = int(ABCD[0])
    equation = ABCD[0]
    for j in range(3):
        if i & (1 << j):
            total += int(ABCD[j+1])
            equation += "+"
        else:
            total -= int(ABCD[j+1])
            equation += "-"    
        equation += ABCD[j+1]
    if total == 7:
        equation += "=7"
        print(equation)
        break
#!/usr/bin/env python3
import sys
sys.setrecursionlimit(10000000)
INF = 1<<32


def solve(N: int, A: "List[int]"):
    r = [0] * (N+1)
    rr = [0] * (N+1)

    for i in range(1,N+1):
        r[i] = r[i-1] + A[i-1]
        rr[i] = rr[i-1] + A[i-1]-1

    from bisect import bisect_left
    c = sum(A)/2
    p = bisect_left(r, c)
    t = min(abs(r[p] - c),abs(r[p+1] - c))/0.5
    print(int(t))

    return



def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()


### FIXED CODE ###

#!/usr/bin/env python3
import sys
sys.setrecursionlimit(10000000)
INF = 1<<32


def solve(N: int, A: "List[int]"):
    r = [0] * (N+1)
    rr = [0] * (N+1)

    for i in range(1,N+1):
        r[i] = r[i-1] + A[i-1]
    
    for i in range(N-1, -1, -1):
        rr[i] = rr[i+1] + A[i]

    ans = INF
    for i in range(1,N):
        ans = min(ans, abs(r[i]-rr[i]))

    print(ans)

    
    return



def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()
from collections import Counter
n=int(input())
A=list(map(int,input().split()))
q=int(input())
BC=[list(map(int,input().split())) for _ in range(q)]

num=sum(A)
N={}
for i in A:
   if i not in N:N[i]=0
   N[i] +=1

for b,c in BC:
    dig=c-b
    num +=dig*N[b]
    print(num)
    if c not in N:N[c]=0
    N[c] +=N[b]
    N[b]=0

### FIXED CODE ###

from collections import Counter
n=int(input())
A=list(map(int,input().split()))
q=int(input())
BC=[list(map(int,input().split())) for _ in range(q)]

num=sum(A)
N={}
for i in A:
   if i not in N:N[i]=0
   N[i] +=1

for b,c in BC:
    if b not in N:
        print(num)
        continue
    dig=c-b
    num +=dig*N[b]
    print(num)
    if c not in N:N[c]=0
    N[c] +=N[b]
    N[b]=0
L, R = map(int, input().split())

print(min([i * j % 2019 for i in range(L, R) for j in range(i+1, R)]))


### FIXED CODE ###

L, R = map(int, input().split())

if L == 0:
    print(0)
elif not L // 2019 == R // 2019:
    print(0)
else:
    L %= 2019
    R %= 2019
    ans = 2020
    for i in range(L, R):
        for j in range(i+1, R+1):
            tmp = (i * j) % 2019
            if tmp < ans:
                ans = tmp
    print(ans)
a,b = map(int,input().split())
k = [2,5,5,4,5,6,3,7,6]

c = list(map(int,input().split()))

c.sort()
cc = [[c[i],k[c[i]-1]] for i in range(b)]
ccc = [[c[i],k[c[i]-1]] for i in range(b)]
dp = [0 for i in range(a+1)]
cc.sort(key = lambda x:x[1])
for j in range(b):
	for i in range(a+1):
		if cc[j][1] <= i:
			dp[i] = max(dp[i-cc[j][1]]+1,1,dp[i])

k = a
co = ''
for i in range(dp[a]+2):
	for j in range(b):
		if dp[k-ccc[j][1]] == dp[k]-1:
			co = str(ccc[j][0]) + co
			k -= ccc[j][1]
			break
print(co)

### FIXED CODE ###

a,b = map(int,input().split())
k = [2,5,5,4,5,6,3,7,6]

c = list(map(int,input().split()))

c.sort()
cc = [[c[i],k[c[i]-1]] for i in range(b)]
ccc = [[c[i],k[c[i]-1]] for i in range(b)]
dp = [-1 for i in range(a+1)]
dp[0] = 0
cc.sort(key = lambda x:x[1])
for j in range(b):
	for i in range(a+1):
		if i-cc[j][1] >= 0 and dp[i-cc[j][1]] >= 0:
			dp[i] = max(dp[i-cc[j][1]]+1,dp[i])
ccc.reverse()
k = a
co = ''
for i in range(dp[a]):
	for j in range(b):
		if k-ccc[j][1] >= 0 and dp[k-ccc[j][1]] == dp[k] - 1:
			co += str(ccc[j][0])
			k -= ccc[j][1]
			break
print(co)
n = int(input())
L = list(map(int,input().split()))
dp = [0]*(2*(10**5)+1000)
for i in range(n):
    dp[L[i]] +=1

one = []
for i in range(len(dp)):
    if dp[i] == 1:
        one.append(i)

dp = [0]*(2*(10**5)+1000)
a = list(set(L))
for i in L:
    for j in range(2*i,max(L)+1,i):
        if not dp[j-1]:
            dp[j-1] = 1

ans = 0
for i in one:
    if dp[i-1] == 0:
        ans +=1
print(ans)

### FIXED CODE ###

n = int(input())
L = list(map(int,input().split()))
dp = [0]*((10**6)+1000)
for i in L:
    dp[i] +=1

one = []
for i in range(10**6+1000):
    if dp[i] == 1:
        one.append(i)

dp = [0]*((10**6)+1000)
a = list(set(L))
for i in a:
    for j in range(2*i,10**6+1000,i):
        dp[j] = 1

ans = 0
for i in one:
    if dp[i] == 0:
        ans +=1
print(ans)
n = int(input())
h = list(map(int, input().split()))

h = np.array(h)

h_zero = np.hstack([np.zeros(1), h, np.zeros(1)])

d = np.diff(h_zero)

a= (d[:-1] * d[1:]) < 0

h_a = h[a == True]

s = 0
for k in range(len(h_a)):
    
    if k%2 == 0:
        
            
        if k == 0:
            s += h_a[k] - h_a[k+1]
        elif k == len(h_a)-1:
            s += h_a[k] - h_a[k-1] 
        else:
            s += h_a[k] - np.max([h_a[k-1], h_a[k+1]])
    else:
        s += h_a[k]
#     print(k, s)
print(s)

### FIXED CODE ###

import numpy as np
n = int(input())
h = list(map(int, input().split()))

h = np.array(h)


def calc(h, s):
#     print(h, s)
    a = np.min(h)
    s += a
    h = h - a
    ind = np.where(h == 0)[0][0]
    h1 = h[:ind]
    h2 = h[ind+1:]
    if len(h1) != 0:
        s = calc(h1, s)
    if len(h2) != 0:
        s = calc(h2, s)
    return s

print(calc(h, 0))
n = int(input())
s = input()
w = set(s)
t = 0
for i in range(n):
  if s.count(w[i]) >= 2:
    t += 1
print(t)

### FIXED CODE ###

n = int(input())
s = input()
a = []
for i in range(1, n):
  a.append(len(set(s[:i]) & set(s[i:])))
print(max(a))
def main():
    import sys
    input=sys.stdin.readline
    s=input()
    alpha="abcdefghijklmnopqrstuvwxyz"
    l=len(s)
    alpha2={j:i for i,j in enumerate(alpha)}
    memo=[[0]*26 for _ in range(l,-1,-1)]
    for i in range(26):
        memo[l][i]=l+1
    for i in range(l-1,-1,-1):
        for x,y in alpha2.items():  
            memo[i][y]=memo[i+1][y]
        memo[i][alpha2[s[i]]]=i+1
    
    search=[1]*(l+2)
    search[l+1]=0
    for i in range(l-1,-1,-1):
        m=max([memo[i][j] for j in range(26)])
        if m!=l+1:
            search[i]=search[m]+1
    n,seq=0,0
    ans_len=search[0]
    ans=""
    temp=0
    for i in range(ans_len):
        for j in range(26):
            n=memo[temp][j]
            seq=search[n]+i
            if seq+1==ans_len:
                ans+=alpha[j]
                temp=memo[temp][j]
                break
    print(ans)
if __name__=='__main__':
    main()

### FIXED CODE ###

def main():
    import sys
    input=sys.stdin.readline
    s=input()
    alpha="abcdefghijklmnopqrstuvwxyz"
    l=len(s)
    alpha2={j:i for i,j in enumerate(alpha)}
    memo=[[0]*26 for _ in range(l,-1,-1)]
    for i in range(26):
        memo[l][i]=l+1
    for x,y in alpha2.items():
        for i in range(l-1,-1,-1):
            if s[i]==x:
                memo[i][y]=i+1
            else:
                memo[i][y]=memo[i+1][y]
    
    search=[1]*(l+2)
    search[l+1]=0
    for i in range(l-1,-1,-1):
        m=max([memo[i][j] for j in range(26)])
        if m!=l+1:
            search[i]=search[m]+1
    
    n,seq=0,0
    ans_len=search[0]
    ans=""
    temp=0
    for i in range(ans_len):
        for j in range(26):
            n=memo[temp][j]
            seq=search[n]+i
            if seq+1==ans_len:
                ans+=alpha[j]
                temp=memo[temp][j]
                break
    print(ans)
if __name__=='__main__':
    main()
n = int(input())
a = list(map(int, input().split()))
print(*reversed(a[(len(a)+1) % 2::2]), *a[len(a) % 2::2])


### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
print(*reversed(a[(len(a)+1) % 2::2]), end=" ")
print(*a[len(a) % 2::2])
temp = input()
temp = temp.split()
town_num = int(temp[0])
move = int(temp[1])

town = input()
town = town.split()
town = [int(s) for s in town]
data = [0] * 1000

position = 1

if move < 1000:
    for i in range(move):
      position = town[position-1]

else:
    for i in range(town_num):
        data[i] = town[position-1]
        position = town[position-1]
        if data[i] == data[4] and i > 4:
            count = i
            break
    cycle = count - 4
    try:
        period = (move-4)%cycle
        position = data[period+4]
        position = town[position-1]-1
    except ZeroDivisionError:
        a = 1

print(position)

### FIXED CODE ###

n, k = map(int, input().split())
a = [0] + list(map(int, input().split()))

journey = [1]

for i in range(2*n + 100):
    nxt = a[journey[-1]]
    journey.append(nxt)
    
if k < n + 1:
    print(journey[k])
    exit()

loop_end = n

loop_start = n-1

while(journey[loop_start] != journey[loop_end]):
    loop_start -= 1

period = loop_end - loop_start

k %= period
while k<= n:
    k += period

print(journey[k])
import sys


def main():
    ret = window_len - cartain_len*2
    if ret >= 0:
        return ret
    else:
        return 0


if __name__ == "__main__":
    args = sys.argv
    window_len = args[1]
    cartain_len = args[2]
    main(window_len, cartain_len)


### FIXED CODE ###

window, cartain = map(int, input().split())

ret = window - cartain * 2
if ret > 0:
    print(ret)
else:
    print(0)
import math
from functools import reduce

n = int(input())
a_list = list(map(int, input().split()))
prime_list = list(range(math.ceil(a_list[n - 1] ** 0.5) + 1))

for i in range(2, prime_list[-1] + 1):
    if prime_list[i] != -1:
        for j in range(i * 2, prime_list[-1] + 1, i):
            prime_list[index] = -1
prime_list.sort()
del prime_list[0: prime_list.index(1) + 1]
check_list = [0] * len(prime_list)

def is_pairwise(num):
    for i, prime in enumerate(prime_list):
        if num % prime == 0:
            if check_list[i] == 1:
                return False
            else:
                check_list[i] += 1
    return True

for a in a_list:
    if not is_pairwise(a):
        if reduce(math.gcd, a_list) == 1:
            print("setwise coprime")
            exit()
        else:
            print("not coprime")
            exit()
print("pairwise coprime")


### FIXED CODE ###

import math
from functools import reduce
L = 10**6 + 1
n = int(input())
a_list = list(map(int, input().split()))
memo = [0] * L

for a in a_list:
    memo[a] += 1

for i in range(2, L):
    if sum(memo[i::i]) > 1:
        if reduce(math.gcd, a_list) == 1:
            print("setwise coprime")
            exit()
        else:
            print("not coprime")
            exit()

print("pairwise coprime")
S = input()
T = input()

for i in range(len(S)):
	s = S[-1]
	S'= S[0:-1]
	if S==T
		print("Yes")
		break
	S = s + S'
else:
	print("No")

### FIXED CODE ###

S = input()
T = input()

for i in range(len(S)):
	if T==S:
		print("Yes")
		break
	S = S[-1]+ S[0:-1]
else:
	print("No")
import sys
sys.setrecursionlimit(2000)

n, k = map(int, input().split())
an = list(map(int, input().split()))

mod = 10**9 + 7

als = []
test = True
for i in an:
    if i > 0:
        test = False
    als.append([abs(i), i])
if test and k % 2 == 1:
    an.sort(reverse=True)
    ans = 1
    for i in range(k):
        ans = ans * an[i] % mod
    print(ans)
    exit()

als.sort(reverse=True)

ans = 1
min_p = 10**9 + 1
min_m = - 10**9 + 1
cnt = 0
for i in range(k):
    x, y = als[i]
    ans = ans * x % mod
    if y > 0:
        min_p = x
    if y < 0:
        min_m = x
        cnt += 1

if cnt % 2 == 0:
    print(ans)
    exit()

max_p = 0
max_m = 0
for j in range(k, n):
    if als[j][1] > 0:
        max_p = max(max_p, als[j][0])
    if als[j][1] < 0:
        max_m = max(max_m, als[j][0])
    if max_p != 0 and max_m != 0:
        break

def power(x, y):
    if   y == 0     : return 1
    elif y == 1     : return x % mod
    elif y % 2 == 0 : return power(x, y/2)**2 % mod
    else            : return power(x, y/2)**2 * x % mod

if max_m == 0 or max_p / min_m >= max_m / min_p:
    print(ans * max_p * power(min_m, mod-2) % mod)
else:
    print(ans * max_m * power(min_p, mod-2) % mod)



### FIXED CODE ###

n = int(input())

x = n // 1000
if n % 1000 == 0:
    print(1000 * x - n)
else:
    print(1000 * (x + 1) - n)
n = int(input())
hi = list(map(int, input().split()))

ans = []
cnt = 0
for i in range(n-1):
    if hi[i] >= hi[i+1]:
        cnt += 1
    else:
        cnt = 0
    ans.append(cnt)
print(max(ans))


### FIXED CODE ###

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

ans = 0
cnt = 0
for i in range(n-1):
    if hi[i] >= hi[i+1]:
        cnt += 1
    else:
        cnt = 0
    ans = max(ans, cnt)
print(ans)
def op_print(data,a,b):
    for i in range(a,b):
        print(data[i-1],end="")
    print()
def op_reverse(data,a,b):
    return data[:a] + data[::-1][-b:-a] + data[:b]
def op_replace(data,a,b,q):
    return data.replace(data[a:b],q) 

data = input()
q = int(input())
for _ in range(q):
    op = list(map(str,input().split()))
    if(op[0] == "print"):
        op_print(data,int(op[1]),int(op[2]))
    elif(op[0] == "reverse"):
        data = op_reverse(data,int(op[1]),int(op[2]))
    elif(op[0] == "replace"):
        data = op_replace(data,int(op[1]),int(op[2]),op[3])


### FIXED CODE ###

s=input()
for _ in range(int(input())):
    o=input().split()
    a,b=map(int,o[1:3]);b+=1
    c=o[0][2]
    if c=='p':s=s[:a]+o[3]+s[b:]
    elif c=='i':print(s[a:b])
    elif c=='v':s=s[:a]+s[a:b][::-1]+s[b:]
# coding: utf-8
# Here your code !
a=input()
b=a.split(" ")
A=b[0]
B=b[1]

C=A+B
if C%3==0:
    print("Possible")
elif:
    print("Impossible")


### FIXED CODE ###

# coding: utf-8
# Here your code !
a=input()
b=a.split(" ")
A=int(b[0])
B=int(b[1])

C=A+B
if C%3==0 or A%3==0 or B%3==0:
    print("Possible")
else:
    print("Impossible")
n=int(input())
l=list(map(int(input().split())))
m=list(map(bin,l))

print(min(m[i].rfind(1)-1 for i in range(1,n+1)))


### FIXED CODE ###

import math
n = input()
a = list(map(int, input().split()))
ans = float("inf")
for i in a:
    ans = min(ans, len(bin(i)) - bin(i).rfind("1") - 1)
print(round(ans))
n = int(input())
aa =list(map(int, input().split()))

list1 =[0] * n
list1[0] = 1
list1[1] = 1

for i in range(2,n):
  if list1[i-2] == list1[i-1]:
    if (aa[i] - aa[i-1]) * (aa[i-1] -aa[i-2]) < 0:
      list1[i] = list1[i-1] + 1
    else:
      list1[i] = list1[i-1]
  else:
    list1[i] = list1[i-1]
    
print(list1[n-1])

### FIXED CODE ###

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

list1 =[0] * n
cnt = 1  
for i in range(n-1):
  if aa[i+1] > aa[i]:
    list1[i+1] = 1
  elif aa[i+1] < aa[i]:
    list1[i+1] = -1
  elif aa[i+1] == aa[i]:    
    list1[i+1] = 0

while 1 in list1 and -1 in list1:
  del list1[:max(list1.index(1), list1.index(-1))]
  list1[0] = 0
  cnt += 1
  
print(cnt)