Harryxun/stf_run huggingface dataset:
d = input()
a = int(input())
p = []
k = len(d)
for i in range(k):
  for j in range(min(5,k-i)):
    p.append(d[i:i+j])
    
x = list(set(p))
x.sort()
del x[0]
 
print(x[a-1])

### FIXED CODE ###

d = input()
a = int(input())
p = []
k = len(d)
for i in range(k):
  for j in range(min({6,k-i+1})):
    p.append(d[i:i+j])
    
x = list(set(p))
x.sort()
del x[0]
 
print(x[a-1])
s, w = map(int, input().split())
if s > w:
  prtin('safe')
else:
  print('unsafe')

### FIXED CODE ###

s, w = map(int, input().split())
if w >= s:
  print('unsafe')
else:
  print('safe')
a,b,c,d=map(int,input().split())
def gcd(x,y):
  while y!=0:
    x,y=y,x%y
  return x
C=((b-a+1)//c)+1
D=((b-a+1)//d)+1
CD=((b-a+1)//gcd(c,d if c>d else d,c))+1
print(b-a+1-C-D+CD)


### FIXED CODE ###

import fractions
a,b,c,d=map(int,input().split())
CD=fractions.gcd(c,d)
cd=(c*d)//CD
width=b-a
cnt=0
if width%c==0:
  if a%c==0:
    cnt+=(width//c)+1
  else:
    cnt+=(width//c)
else:
  if c-(a%c)+b%c>=c:
    if a%c==0 or b%c==0:
      cnt+=(width//c)+1
    else:
      cnt+=(width//c)
  else:
    cnt+=(width//c)+1

if width%d==0:
  if a%d==0:
    cnt+=(width//d)+1
  else:
    cnt+=(width//d)
else:
  if d-(a%d)+b%d>=d:
    if a%d==0 or b%d==0:
      cnt+=(width//d)+1
    else:
      cnt+=(width//d)
  else:
    cnt+=(width//d)+1

if width%cd==0:
  if a%cd==0:
    cnt-=(width//cd)+1
  else:
    cnt-=(width//cd)
else:
  if cd-(a%cd)+b%cd>=cd:
    if a%cd==0 or b%cd==0:
      cnt-=(width//cd)+1
    else:
      cnt-=(width//cd)
  else:
    cnt-=(width//cd)+1

print(b-a+1-cnt)
from collections import Counter
N = int(input())
X = str(input())
X10 = int(X,2)

one_num = Counter(X)["1"]

for i in range(N):
    target = int(X[i])
    if target == 0:
        plus = pow(2,N-i-1)
        ones = one_num + 1
    else:
        plus = -pow(2,N-i-1)
        ones = one_num-1
    
    Xnow = X10+plus
    count = 0
    if Xnow == 0:
        print(count)
        continue
    else:
        Xnow = Xnow%ones
        count+=1
        while Xnow > 0:
            Xnow2 = format(Xnow, 'b')
            ones = 0
            for j in range(len(Xnow2)):
                if Xnow2[j]==1:
                    ones+=1
            Xnow = Xnow%ones
            count+=1
        print(count)

### FIXED CODE ###

N = int(input())
x2 = input()
x10 = int(x2, 2)
popc =  x2.count("1")
#print("x10", x10)
#print("popc", popc)
#popc: Nを2進数で表したときの1の個数

#以下で1つフリップさせた時の入力に対する余りを事前に計算
if popc <= 1:
    xp = x10%(popc+1)
    xm = 0
else:
    xp = x10%(popc+1)
    xm = x10%(popc-1)
#print("xp", xp)
#print("xm", xm)

#以下でフリップさせた場所のみを計算
for i in range(N):
    if x2[i] == "1":
        if popc == 1:
            print(0)
            continue
        tmp = (xm - pow(2, N-i-1, popc-1))%(popc-1)
    else:
        tmp = (xp + pow(2, N-i-1, popc+1))%(popc+1)
        
    #print("tmp", tmp)
    ans = 1
    while tmp > 0:
        tmp %= bin(tmp).count("1")
        ans += 1
    print(ans)
N, K = input().split(' ')

sunukekuns = [i for i in range(N)]

for k in range(K):
  _, sunukekun = input(), input().split(' ')
  for (kun in sunukekun):
    if kun in sunukekuns:
      sunukekuns.remove(kun)

print(len(sunukekuns))

### FIXED CODE ###

N, K = [int(ipt) for ipt in input().split(' ')]

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

for k in range(K):
  _ = input()
  sunukekun = input().split(' ')
  for kun in sunukekun:
    if kun in sunukekuns:
      sunukekuns.remove(kun)

print(len(sunukekuns))
N=int(input())
a=[int(i)-1 for i in list(input())]
def solve(seq):
    res=0
    for k in range(N):
        tmp=1
        if (N&k)==k:
            tmp=0
        res+=tmp*seq[k]
        res%=2
    if res%2==1:
        return 1
    if 1 in set(seq):
        return 0
    seq2=[seq[i]//2 for i in range(N)]
    return solve(seq2)*2
print(solve(a))

### FIXED CODE ###

N=int(input())
a=[int(i)-1 for i in list(input())]
def solve(seq):
    if {0}==set(seq):
        return 0
    res=0
    for k in range(N):
        tmp=0
        if ((N-1)&k)==k:
            tmp=1
        #print(tmp)
        res+=tmp*seq[k]
        res%=2
    #print("#"*30)
    if res%2==1:
        return 1
    if 1 in set(seq):
        return 0
    seq2=[seq[i]//2 for i in range(N)]
    return solve(seq2)*2
print(solve(a))
w,h,x,y = map(int,input().split())

flg = 0
s=0

if x<=w/2 and y <= h/2:
    if x*h==w*y:
        flg=1
    s = max(x*h,w*y)

elif x<=w/2 and y>h/2:
    if x*h==w*(h-y):
        flg=1
    s = max(x*h,w*(h-y))
    
elif x>w/2 and y <= h/2:
    if (w-x)*h==w*y:
        flg==1:

    s = max( (w-x)*h , w*y)

elif x>w/2 and y > h/2:
    if (w-x)*h==w*(h-y):
        flg=1

    s = max( (w-x)*h, w*(h-y))

# if  x==w/2 and y==h/2:
#     flg = 1

# if w==h and x==y:
#     flg ==1

print(s,flg)

### FIXED CODE ###

w,h,x,y = map(int,input().split())

print(w*h/2, 1 if x==w/2 and y==h/2 else 0)
a = int(input())
b = int(input())
print(max(a+b, a-b, a*b))

### FIXED CODE ###

x,y = map(int,input().split())
print(max(x+y,x-y,x*y))
if __name__ == '__main__':
    a = raw_input()
    b = raw_input()
    h = raw_input()
    print ((a + b) * h / 2)


### FIXED CODE ###

if __name__ == '__main__':
    a = input()
    b = input()
    h = input()
    print ((a + b) * h / 2)
n,m = input().split()
k = int(n)
l = list(input().split())

for i in range(k,100000):
    for x in l:
        for x str(i):
            break
    else:
        print(i)
        break

### FIXED CODE ###

n,m = input().split()
k=int(n)
li = list(input().split())

for i in range(k,100000):
    for e in li:
        if e in str(i):
            break
    else:
        print(i)
        break
A = input()
B = input()

if A < B :
    X = A
    A = A - 1
else :
    X = B
    B = B - 1
if A > B :
    X = X + A
else :
    X = X + B

print(X)

### FIXED CODE ###

A,B = input().split(' ')

A = int(A)
B = int(B)

if A > B :
    X = A
    A = A - 1

else :
    X = B
    B = B - 1

if A > B :
    X = X + A
else :
    X = X + B

print(X)
a, b = int(input(), input())
S = a * b
R = 2 * (a+b)
print(S, R)

### FIXED CODE ###

a, b = map(int, raw_input().split())
print(str(a*b) + " " + str(2*(a+b)))
import numpy as np
a,b,h,m=map(int,input().split())
pi = np.py
x = 2*pi*(h*60+m)/720
y = 2*pi*m/60
theta=abs(x-y)
cos = np.cos(theta)
ans = (a**2+b**2-2*a*b*cos)**0.5
print(ans)




### FIXED CODE ###

import numpy as np
a,b,h,m=map(int,input().split())
pi = np.pi
x = 2*pi*(h*60+m)/720
y = 2*pi*m/60
theta=abs(x-y)
cos = np.cos(theta)
ans = (a**2+b**2-2*a*b*cos)**0.5
print(ans)
t = input()
tt = ''
for i in range(len(t)):
    c = t[i]
    if t[i] == '?':
        c = 'D'
        if i > 0 and t[i - 1] == 'P':
            c = 'D'
        elif i == 0 and t[i + 1] == 'D' or i == 0 and t[i + 1] == '?':
            c = 'P'
        elif i < len(t) - 1 and t[i + 1] == 'D' or i < len(t) - 1 and t[i + 1] == '?':
            c = 'P'
    t = t[:i] + c + t[i + 1:]
print(t)   
        

### FIXED CODE ###

t = input()
le = len(t)
tt = []
for i in range(le):
    c = t[i]
    if t[i] == '?':
        c = 'D'
        if i > 0 and tt[i - 1] == 'P':
            c = 'D'
        elif i == 0 and le > 1 and t[i + 1] == 'D' or i == 0 and le > 1 and t[i + 1] == '?':
            c = 'P'
        elif i < le - 1 and t[i + 1] == 'D' or i < le - 1 and t[i + 1] == '?':
            c = 'P'
    tt.append(c)
print(''.join(tt))
def main():
x=imput()
y=pow(x,3)
print (y)


### FIXED CODE ###

x=int(input())
print(x**3)
n, y = map(int, input().split())

YH = -1
IH = -1
HN = -1

for a in range(n):
    for b in range(n-a):
         c = n-a-b
         total = 10000*a + 5000*b + 1000*c
         if total == y:
            YH = a
            IH = b
            HN = c

print(YH, IH, HN)

### FIXED CODE ###

s = input()
replace_num = '8'
print(s[:3]+replace_num+s[4:])
import math
n, m = map(int, input.split())
res = 1
max_res = m//n
for i in range(2, math.ceil(math.sqrt(m)) + 1):
  if m % i == 0:
     if i <= max_res:
        res = max(res, i)
     x = m//i
     if x <= max_res:
        res = max(res, x)
print(res)

### FIXED CODE ###

n = int(input())
if n == 1:
  print('Hello World\n')
else:
  a = int(input())
  b = int(input())
  print(a + b)
import sys
sys.setrecursionlimit(100000)

nCr = {}
def cmb(n, r):
    if n == 1: return 0
    if r == 0 or r == n: return 1
    if r == 1: return n
    if (n,r) in nCr: return nCr[(n,r)]
    nCr[(n,r)] = cmb(n-1,r) + cmb(n-1,r-1)
    return nCr[(n,r)]


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

L=[0]
s=0
for i in range(N):
    s+=a[i]
    L.append(s)

L=sorted(L)

s=0
t=L[0]
c=1
for i in range(1,len(L)):
    if(t==L[i]):
        c+=1
    else:
        s+=cmb(c,2)
        t=L[i]
        c=1
else:
    s+=cmb(c,2)
print(s)


### FIXED CODE ###

import sys
sys.setrecursionlimit(10000000)

nCr = {}
def cmb(n, r):
    if n == 1: return 0
    if r == 0 or r == n: return 1
    if r == 1: return n
    if (n,r) in nCr: return nCr[(n,r)]
    nCr[(n,r)] = cmb(n-1,r) + cmb(n-1,r-1)
    return nCr[(n,r)]


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

L=[0]
s=0
for i in range(N):
    s+=a[i]
    L.append(s)

L=sorted(L)

s=0
t=L[0]
c=1
for i in range(1,len(L)):
    if(t==L[i]):
        c+=1
    else:
        s+=cmb(c,2)
        t=L[i]
        c=1
else:
    s+=cmb(c,2)
print(s)
S = input()
T = input()
res = ''
end = -1
for i in range(len(S) - len(T) + 1):
    for j in range(len(T)):
        start = i
        
        if S[i+j] == T[j]:
            end = i + j
            flag == 1
        elif S[i+j] == '?':
            end = i + j
            flag == 1
        else:
            pass
            break
    if flag == 1:
        break
            
if end == -1:
    print('UNRESTORABLE')
    
else:
    j = 0
    for i in range(len(S)):
        if start <= i <= end:
            res += T[j]
            j += 1

        elif S[i] == '?':
            res += 'a'

        else:
            res += S[i]

    print(res)

### FIXED CODE ###

S = input()
T = input()


    
if True:
    tmp = -1
    for i in range(len(S) - len(T) + 1):
        start = -1
        for j in range(len(T)):
            if S[i+j] == T[j] or S[i+j] == '?':
                start = i
            else:
                start = -1
                break
                
        
        if start != -1:
                tmp = i
    if tmp == -1:
        print('UNRESTORABLE')
    else:
        res = ''
        count = 0
        for i in range(len(S)):
            if tmp <= i < tmp + len(T):
                res += T[count]
                count += 1
            elif S[i] == '?':
                res += 'a'
            else:
                res += S[i]

        print(res)
s = list(map(int,input()))
for i in s:
  if i == "7":
    print("Yes")
    return
print("No")  
    

### FIXED CODE ###

s = list(input())
for i in s:
  if i == "7":
    print("Yes")
    exit()
print("No")
N,K = map(int,input().split())
a = sorted(map(int,input().split()))

count = N
s = 0
for i in range(N-1,-1,-1):
    if s + N[i] < K:
        s += N[i]
    else:
        count = min(i,count)
print(count)


### FIXED CODE ###

N,K = map(int,input().split())
a = sorted(map(int,input().split()))

count = N
s = 0
for i in range(N-1,-1,-1):
    if s + a[i] < K:
        s += a[i]
    else:
        count = min(i,count)
print(count)
n, c, k = map(int, input().split())
t = sorted([int(input()) for _ in range(n)])

l = []
def AirportBus(x=0):
    y = x
    for i in range(x, n):
        if t[x]+k < t[i]:
            y = i
            break
    if y == x:
        l.append(t[x:n])
        return
    l.append(t[x:y])
    AirportBus(y)
    
AirportBus()

ans = 0
for lis in l:
    ans += -(-len(lis) // c)

print(ans)

### FIXED CODE ###

import sys
sys.setrecursionlimit(10**9)

n, c, k = map(int, input().split())
t = sorted([int(input()) for _ in range(n)])


def AirportBus(x=0,ans=0):
    y = x
    for i in range(x, n):
        if t[x]+k < t[i] or i - x >= c:
          y = i
          break
    if y == x:
      print(ans+1)
      return
    ans += 1
    AirportBus(y,ans)
    
AirportBus()
c=str(input())
print(['consonant','vowel'][c=='a'or'i'or'u'or'e'or'o'])


### FIXED CODE ###

c=str(input())
if(c=='a'):
    print('vowel')
elif(c=='i'):
    print('vowel')
elif(c=='u'):
    print('vowel')
elif(c=='e'):
    print('vowel')
elif(c=='o'):
    print('vowel')
else:
    print('consonant')
S = input().strip()

a = 130
for i in range(100000);
    b = a % 13

print(a)


### FIXED CODE ###

S = input().strip()

MOD = 10**9 + 7
dp = [[0 for i in range(13)] for j in range(100005)]
N = len(S)

dp[0][0] = 1
for i in range(N):
    c = -1
    if S[i] == '?':
        c = -1
    else:
        c = int(S[i])

    for j in range(10):
        if c != -1 and c != j:
            continue
        for ki in range(13):
            dp[i+1][(ki * 10 + j) % 13] += dp[i][ki]

    for j in range(13):
        dp[i+1][j] %= MOD

res = int(dp[N][5])

print(res)
N, Q = map(int, input().split())		# 5 7
S = input()

#print(N,Q,S)

L = "0 " + S.replace('AC', '1 0 ').replace('T', '0 ').replace('G', '0 ')
R = "0 " + S.replace('AC', '0 1 ').replace('T', '0 ').replace('G', '0 ')

L = list( map(int, L.split()) )	# 1 2 3 4 5 ...
R = list( map(int, R.split()) )	# 1 2 3 4 5 ...

#L = [0,1,2,3,4,5,6,7,8,9]
#R = [0,1,2,3,4,5,6,7,8,9]
#print(N,Q,S,L,R)
#print(N,Q,S)
#print("L", L)
#print("R", R)


from functools import reduce
#print( reduce(lambda x,y: x+y, L) )	#=> 10 (=sum(1,2,3,4))


for q in range(1,Q+1):
	ans=0
	l, r = map(int, input().split())		# 5 7

	X=L[l:l+1]
	Y=R[l+2:r+1]
	Z=X+Y+[0]
	
	ans = reduce(lambda x,y: x+y, Z)	#=> 10 (=sum(1,2,3,4))

	#print(l,r,"X=",X,"Y=",Y,"Z=",Z,ans)

	print(ans)
	

### FIXED CODE ###

N, Q = map(int, input().split())
S = input()

C=[0]*(N)
c=0
for i in range(len(S)-1):
  if S[i:i+2]=="AC": c += 1
  C[i] = c

#print(C)

for q in range(Q):
  l, r = map(int, input().split())
  l, r = l-1, r-1

  ans = C[r-1] - C[l-1]
  print(ans)
a, b, c = map(str, input().split())
if b == '+':
  print(int(a) + int(b))
else if b =='-':
  print(int(a) - int(b))
else:
  print("Error")
 

### FIXED CODE ###

a, b, c = map(str, input().split())
if b == '+':
  print(int(a) + int(c))
elif b =='-':
  print(int(a) - int(c))
else:
  print("Error")
from collections import Counter

n = int(input())
a = []
for _ in range(n):
  a.append(input())

dct = dict(Counter(a))
for v, num in dct.items():
  print(v + " x " + num)

### FIXED CODE ###

N = int(input())
s = [input() for i in range(N)]
for v in ['AC', 'WA', 'TLE', 'RE']:
    print('{} x {}'.format(v, s.count(v)))
x, a, b = map(int, input().split())
 
x1 = x - a
result  = x1 - (x1 % b) *b

print(result)

### FIXED CODE ###

x = int(input())
a = int(input())
b = int(input())
 
x1 = x - a
result  = x1 % b
 
print(result)
from collections import Counter
N = int(input())
S = Counter(input() for _ in range(N))
m = max(S.values())
for v in sorted(s for k, v in S.items() if v == m):
	print(v)

### FIXED CODE ###

from collections import Counter
N = int(input())
S = Counter([input() for _ in range(N)])
v = max(S.values())
s = sorted(S.most_common())
if len(S) == 1:
    print(list(S)[0])
    exit()
for k, val in s:
    if val == v:
        print(k)
import sys

sys.setrecursionlimit(10**6)

N, M= map(int, input().split())

A = [int(input()) for i in range(N)]

B = []
for i in range(len(A)):
    if A[i] > sum(A)/4/M:
        B.append(1)
    else:
        B.append(0)

if sum(B) >= M:
    print('Yes')
else:
    print('No')


### FIXED CODE ###


N, M= map(int, input().split())

C = map(int, input().split())

A = list(C)

#if N < M:
#    print('No')
#if M == 0:
#    print('No')

B = []
for i in range(len(A)):
    if A[i] >= sum(A)/4/M:
        B.append(1)
    else:
        B.append(0)

if sum(B) >= M:
    print('Yes')
else:
    print('No')
a,b = map(int, input().split())
if a * b % 2 == 0:
  print(Even)
else:
  print(Odd)

### FIXED CODE ###

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

if a*b%2 == 0:
  print('Even')
else:
  print('Odd')
if S==T[:-1]:
  print("Yes")
else:
  print("No")

### FIXED CODE ###

S=input()
T=input()
if S==T[:-1]:
  print("Yes")
else:
  print("No")
import math
def main():
    n=int(input())
    a = list(map(int,input().split()))
    L=[a[0] for _ in range(n)]
    R=[a[n-1] for _ in range(n)]
    for i in range(1,n):
        L[i]=math.gcd(L[i-1],a[i])
    for i in range(1,n):
        R[i]=math.gcd(R[i-1],a[n-1-i])
    R.reverse()
    LR=[]
    for i in range(1,n-1):
        LR.append( math.gcd(L[i-1],R[i+1]) )
    if LR==[]:
        print(max(L[n-2],R[1] ))
    else:
        print(max(max(LR),L[n-2],R[1] ))


if __name__ == "__main__":
    main()

### FIXED CODE ###

def gcd(a, b): #最大公約数
    if b == 0:
        return a
    else:
        return gcd(b, a%b)
        
def main():
    n=int(input())
    a = list(map(int,input().split()))
    L=[a[0] for _ in range(n)]
    R=[a[n-1] for _ in range(n)]
    for i in range(1,n):
        L[i]=gcd(L[i-1],a[i])
    for i in range(1,n):
        R[i]=gcd(R[i-1],a[n-1-i])
    R.reverse()
    LR=[]
    for i in range(1,n-1):
        LR.append( gcd(L[i-1],R[i+1]) )
    if LR==[]:
        print(max(L[n-2],R[1] ))
    else:
        print(max(max(LR),L[n-2],R[1] ))


if __name__ == "__main__":
    main()
import sys

f = sys.stdin.readline()
xx = f.split(' ')
x = [int(str) for str in xx]

n = x[0]
a = x[1]
b = x[2]

count = 0
sum = 0
while 1:
  for i in range(0, a):
  	count += 1
	if( count > n):
		break
	sum += 1
  if( count > n):
	break
  for i in range(0, b):
  	count += 1
	if( count > n):
		break
  else:
  	continue
  break

print sum
sys.stdout.flush()


### FIXED CODE ###

import sys

f = sys.stdin.readline()
xx = f.split(' ')
x = [int(str) for str in xx]

n = x[0]
a = x[1]
b = x[2]


ab = a + b

d = int(n / ab)
m = n % ab

if ( a > m):
	sum = a * d + m
else:
	sum = a * d + a

print sum
sys.stdout.flush()
nums = list(map(int, input().split()))
if nums[0] < nums[1] < nums[2]:
    print("Yes")
else:
    print("No")

### FIXED CODE ###

nums = list(map(int, input().split()))
if nums[0] < nums[1] < nums[2]:
    print("Yes")
else:
    print("No")
import sys
import numpy as np
import math
import collections
from collections import deque 
from functools import reduce

# input = sys.stdin.readline

n, m, k = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
ai, bi = 0, 0
a.append(10**10)
b.append(10**10)
cnt = 0
tt = 0
cnt = 0
tt = 0
while True:
    if a[ai] == b[bi]:
        while True:
            ai += 1
            bi += 1
            if a[ai] == b[bi]:
                continue
            if a[ai] < b[bi]:
                flg = 'a'
                break
            else:
                flg = 'b'
                break
    elif a[ai] > b[bi]:
        flg = 'b'
    else:
        flg = 'a'

    if flg == 'b':
        if (tt + b[bi] > k):
            break
        cnt += 1
        tt += b[bi]
        bi += 1
    else:
        if (tt + a[ai] > k):
            break
        cnt += 1
        tt += a[ai]
        ai += 1
        
print(cnt)

### FIXED CODE ###

import sys
import numpy as np
import math
import collections
from collections import deque 
from functools import reduce

# input = sys.stdin.readline
n, m, k = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
a_t, b_t = [0], [0]
for i in range(n):
    a_t.append(a_t[i] + a[i])
for i in range(m):
    b_t.append(b_t[i] + b[i])
ans = 0
j = m
for i in range(n+1):
    if (a_t[i] > k):
        break
    while(a_t[i] + b_t[j] > k):
        j -= 1
    ans = max(ans, i + j)
print(ans)
N , D = map(int,input().split)

X=Y=p=count=0

for index in range(N):
  X,Y = map(int,input().split)
  p = sqrt(X**2 + Y**2)
  if p <= D:
    count += 1
    
print(count)

### FIXED CODE ###

import math

N,D=(int(x) for x in input().split())

X=Y=p=count=0

for i in range(N):
  X,Y=(int(x) for x in input().split())
  p =math.sqrt(X**2+Y**2)
  if p <= D:
    count += 1
    
print(count)
import math
a,b =map(int, input().split())
print(math.ceil((b-1)/(a-1)))


### FIXED CODE ###

s = input()
t = input()
cnt = 0
for i in range(3):
    if s[i] == t[i]:
        cnt +=1
print(cnt)
N = int(input())
Alist = list(map(int, input().split()))
if N < 3:
    print(1)
else:
    ans = 1
    last = Alist[0]
    new_a = [last]
    for i in range(N):
        now = Alist[i]
        if now != last:
            new_a.append(now)
        last = now
    now = "up" if new_a[0] < new_a[1] else "down
    f = now
    for i in range(1, len(new_a)):
        if new_a[i - 1] == new_a[i]:
            continue
        elif new_a[i - 1] < new_a[i]:
            if now == "down":
                now = "up"
        elif new_a[i - 1] > new_a[i]:
            if now == "up":
                now = "down"
        if now != f:
            ans += 1
        # print(i, now, ans)
    print(ans + 1)

### FIXED CODE ###

N = int(input())
array = list(map(int, input().split()))
ans = 1
rels = []
if N == 1:
    print(1)
    exit()
for i in range(1, N):
    a, b = array[i], array[i-1]
    if b < a:
        rels.append("<")
    if b > a:
        rels.append(">")
    if a == b:
        rels.append("=")
now = rels[0]
skip = False
for i in range(N-1):
    rel = rels[i]
    if skip:
        skip = False
        now = rel
        continue
    if rel == now or rel == "=":
        continue
    elif now == "=":
        now = rel
    else:
        skip = True
        ans += 1


print(ans)
O = input()
E = input()
s = ''
for i in range(len(O)):
  s+=O[i]
  s+=E[i]
print(s)

### FIXED CODE ###

a,b,c = map(int,input().split())
print('YES' if b-a == c-b else 'NO')
W,H,N = map(int,input().split())
c = [0]*N
max_x,min_x = 0,W
max_y,min_y = 0,H
for _ in range(M):
  x,y,a = map(int,input().split())
  if a == 1:
    max_x = max(max_x,x)
  elif a == 2:
    min_x = min(min_x,x)
  elif a == 3:
    max_y = max(max_y,y)
  else:
    min_y = min(min_y,y)
  if min_x <= max_x or min_y <= max_y:
      print(0)
      exit()
print((min_x-max_x)*(min_y-max_y))


### FIXED CODE ###

W,H,N = map(int,input().split())
c = [0]*N
max_x,min_x = 0,W
max_y,min_y = 0,H
for _ in range(N):
  x,y,a = map(int,input().split())
  if a == 1:
    max_x = max(max_x,x)
  elif a == 2:
    min_x = min(min_x,x)
  elif a == 3:
    max_y = max(max_y,y)
  else:
    min_y = min(min_y,y)
  if min_x <= max_x or min_y <= max_y:
      print(0)
      exit()
print((min_x-max_x)*(min_y-max_y))
D,T,S= [int(x) for x in input("Enter values in the range of 1 and 10000: ").split(",")] 
if (D and T) and S <=10000 and D/S<=T:
    print("Yes")
else:
    print("No")

### FIXED CODE ###

D,T,S= [int(x) for x in input().split()]
if 1<=(D and T)<=10000 and (1<=S<=10000 and D/S<=T):
    print("Yes")
else:
    print("No")
A, B = list(map(int, input().split()))
if A<2*B:
  print(O)
else:
  print(A-2*B)

### FIXED CODE ###

A, B = list(map(int,input().split()))
if A<2*B:
  print(0)
else:
  print(A-2*B)
T=input()
n=len(T)
i=r=a=0
for c in T:
  k=i-r
  if c=='0':
    r+=!k&1
  else:
    a+=i//2-k//2+(!k&1)*(n-i)
  i+=1
print(a)

### FIXED CODE ###

t=input()
n=len(t)
pos=[]
sum=0
for i in range(n):
  if t[i]=="1":
    sum+=1
  else:
    pos.append(sum)
x=(sum+1)//2*((sum+2)//2)
sz=len(pos)
cnt=0
res=[]
for i in range(sz):
  if ((pos[i]&1)^(cnt&1)):
    sum+=1
    cnt+=1
    x+=(sum+1)//2
  else:
    res.append(i)
res=res[::-1]
odd=0
even=0
for i in range(len(res)):
  sum+=1
  if i&1:
    odd = sz - res[i] - even
    x+=(sum+1)//2-odd
  else:
    even=sz-res[i]-odd
    x+=(sum+1)//2-even
print(x)
import fractions

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

for n in range(N):
    x[n] = abs(x[n]-X)
ans = fractions.gcd(x[0],x[1])
for n in range(2,N):
    ans = fractions.gcd(ans,x[n])
print(ans)


### FIXED CODE ###

import fractions
 
N,X = map(int,input().split())
x = list(map(int,input().split()))
 
for n in range(N):
    x[n] = abs(x[n]-X)

if N == 1:
    ans = x[0]

else:
    ans = fractions.gcd(x[0],x[1])
    for n in range(2,N):
        ans = fractions.gcd(ans,x[n])

print(ans)
s=input()

for i in range(0,1):
    if s[i]!=s[i+1]:
        X=Yse
        break
    else :
        X=No

print(X)


### FIXED CODE ###

s=input()
if s[0]==s[1] and s[1]==s[2]:
  print("No")
  
else :
  print("Yes")