Harryxun/stf_run huggingface dataset:
N = int(input())
S = input()
sint = [0]
prev = S[0]
DEBUG = False
def dbg(*something):
    if DEBUG:
        print(*something)
for s in S:
    if prev == s:
        sint[-1] = sint[-1] + 1
    else:
        prev = s
        sint.append(1)
if len(sint) % 2 == 1:
    if S[0] == '#':
        sint = [0] + sint
    else:
        sint.append(0)
elif S[0] == '#':
    sint = [0] + sint + [0]
dbg(sint)

def count2(numSB,numSW):
    dbg('len:',len(sint))
    if len(sint) < 2:
        return 0
    sint.pop(0)
    sint.pop()
    
    #この状態で偶数番号は黒、奇数番号は白(ゼロスタート)
    # numSB = 0
    # numSW = 0
    # for i,v in enumerate(sint):
        
    #     if i % 2 == 0:
    #         numSB = numSB + v
    #     else:
    #         numSW = numSW + v
    if len(sint) < 2:
        return 0
    b = sint.pop(0)
    w = sint.pop()
    
    numSR =  b + w
    dbg(numSB,numSW,numSR)
    if numSB <= numSW and numSB <= numSR:
        return numSB
    elif numSW <= numSB and numSW <= numSR:
        return numSW
    else:
        return numSR + count2(numSB-b,numSW-w)
    # if numSB <= numSW :
    #     return numSB
    # else:
    #     return numSW
    
    

# def count(_S,_numSW,_numSB):
#     _S = _S.lstrip('.').rstrip('#')
#     if len(_S) == 0 :
#         return 0
#     numSW = _S.count('.')
#     numSB = _S.count('#')
#     SR = _S.lstrip('#').rstrip('.')
#     numSR = len(_S) - len(SR)
#     if numSW <= numSB and numSW <= numSR:
#         return numSW
#     elif numSB <= numSW and numSB <= numSR:
#         return numSB
#     else:
#         return numSR + count(SR)


numSB = 0
numSW = 0
for i,v in enumerate(sint):
    if i % 2 == 1:
        numSB = numSB + v
    else:
        numSW = numSW + v
#print(sint)
#print(sint,numSB,numSW,count2(numSB,numSW))
print(min(numSB,numSW,count2(numSB,numSW)))
'''
22
#####.....####..###...
'''
# #intS = []
# def xor(A,B):
#     #print(A)
#     #print(B)
#     num = 0
#     for i in range(len(A)):
        
#         if A[i]!=B[i] :
#             num = num + 1
#     return num
# # for s in S :
# #     intS.append(0 if s=='.' else 1)
# minC = N

# mask = ['#' for j in range(len(S) + 1)]
# for i in range(len(S) + 1):
#     mask[i] = '.'
#     c = xor(mask[1::],S)
#     if c < minC:
#         minC = c

# print(minC)
# # def dl(_S):


# #     l = '.'
# #     r = '#'
    
# #     _S = _S.lstrip(l).rstrip(r)
# #     print(_S)
# #     if len(_S) == 0:
# #         return 0
# #     _S2W = _S.lstrip(r)
# #     _S2B = _S.rstrip(l)
# #     _S2 =  _S2W if len(_S2W) <= len(_S2B) else _S2B
# #     return len(_S) - len(_S2) + dl(_S2)
# # print(dl(S))






### FIXED CODE ###

_ = input()
S = input()
numc = S.count('.')
numcmin = numc
for s in S:
    if s == '#':
        numc = numc + 1
    else:
        numc = numc -1
        if numc < numcmin:
            numcmin = numc
print(numcmin)
from sys import stdin
N = stdin.readline().rstrip()
i = 0
wa = 0
while i < len(str(N)):
    wa = wa + int(str(N)[i:i+1])
    i += 1
if N % wa == 0:
    print("Yes")
elif N % wa != 0:
    print("No")

### FIXED CODE ###

from sys import stdin
S = str(stdin.readline().rstrip())
i = 0
takahasi = 0
while i < 4:
  if S[i:i+1] == "+":
    takahasi += 1
  elif S[i:i+1] == "-":
    takahasi -= 1
  i += 1
print(takahasi)
n,m = map(int,input().split())
s = [0] * m
c = [0] * m
ans = [0] * n
flg = [0] * n
for i in range(m):
    s[i],c[i] = map(int,input().split())
for j in range(m):
    if: flg[s[j]-1] == 1 and ans[s[j]-1] != c[j]:
        print(-1)
        exit()
    else:
        ans[s[j]-1] = c[j]
        flg[s[j]-1] = 1
    
if n > 1 and ans[0] == 0 :
    print(-1)
else:
    print(''.join(map(str,ans)))


### FIXED CODE ###

n,m = map(int,input().split())
s = [0] * m
c = [0] * m
ans = [0] * n
flg = [0] * n
for i in range(m):
    s[i],c[i] = map(int,input().split())
for j in range(m):
    if flg[s[j]-1] == 1 and ans[s[j]-1] != c[j]:
        print(-1)
        exit()
    else:
        ans[s[j]-1] = c[j]
        flg[s[j]-1] = 1
    
if n > 1 and flg[0] == 1 and ans[0] == 0 :
    print(-1)
elif n > 1 and flg[0] == 0:
    ans[0] = 1
    print(''.join(map(str,ans)))
    exit()
else:
    print(''.join(map(str,ans)))
def ac_168b(K: int, S: str) -> str:
    if len(S) <= K:
        return S
    else:
        return S[0:K] + "..."
    
K = input():
S = input():
print(ac_168b(K, S))


### FIXED CODE ###


def ac_168b(K: int, S: str) -> str:
    if len(S) <= K:
        return S
    else:
        return S[0:K] + "..."

K = int(input())
S = input()
print(ac_168b(K, S))
num=int(input())
num***=num
print(num)

### FIXED CODE ###

k=input()
s=int(k)
print(s*s*s)
#最初に置いておくもの
import queue
import copy
import sys
from astropy.io.fits.convenience import append
sys.setrecursionlimit(50000000) 
input=sys.stdin.readline

#入出力関係
N, M = map(int, input().split())
l = []

for i in range(M):
    l.append(list(map(lambda x: int(x)-1 , input().split())))

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

for i in range(M):
    lis[l[i][0]].append(l[i][1])
    lis[l[i][1]].append(l[i][0])


def dfs():
    re=0
    q1 =[[0]*N]
    q2=[0]
    while len(q1) != 0:
         
        visited=q1.pop()
        v=q2.pop()
        visited[v]=1
        if all(visited[c]==1 for c in range(N)):
            re += 1
        elif len(lis[v]) != 0:
            for i in lis[v]:
                if visited[i] == 0:
                    hoge=copy.deepcopy(visited)                    
                    q1.append(hoge)
                    q2.append(i)
    return re

print(dfs())


### FIXED CODE ###

#最初に置いておくもの
import copy
import sys
sys.setrecursionlimit(50000000) 

#入出力関係
N, M = map(int, input().split())
l = []

for i in range(M):
    l.append(list(map(lambda x: int(x)-1 , input().split())))

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

for i in range(M):
    lis[l[i][0]].append(l[i][1])
    lis[l[i][1]].append(l[i][0])

def dfs():
    re=0
    q1 =[[0]*N]
    q2=[0]
    while len(q1) != 0:
         
        visited=q1.pop()
        v=q2.pop()
        visited[v]=1
        if all(visited[c]==1 for c in range(N)):
            re += 1
        elif len(lis[v]) != 0:
            for i in lis[v]:
                if visited[i] == 0:
                    hoge=copy.deepcopy(visited)                    
                    q1.append(hoge)
                    q2.append(i)
    return re

print(dfs())
N, M = map(int, input().split())
A = [int(i) for i in input().split()]
A.sort()
BC = []

for i in range(M):
  bc = [int(i) for i in input().split()]
  BC.append(bc)

BC = sorted(BC, key=lambda x: x[1])
BC.reverse()

k = 0
for i in BC:
  if k == N:
    break
  if i[1] <= A[k]:
    break
  for j in range(i[0]):
    if k == N:
      break
    if i[1] > A[k]:
      A[k] = i[1]
      k += 1
    else:
      break

print(sum(A))


### FIXED CODE ###

A, B = map(int, input().split())
if A >= 13:
  print(B)
elif A >= 6:
  print(B // 2)
else:
  print(0)
#a, b = input().split()
a, b = float(input().split())

print(a//b, a%b, a/b)


### FIXED CODE ###

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

print(x//y, x%y, "{0:10.20f}".format(x/y))
import math

n = int(input())

sum_ = 0
for a in range(1, n+1):
  for b in range(1, n+1):
    for c in range(1, n+1):
      sum_ += math.gcd(a, b, c)
    
print(sum_)

### FIXED CODE ###

import math
from functools import reduce

def gcd(*numbers):
    return reduce(math.gcd, numbers)

def gcd_list(numbers):
    return reduce(math.gcd, numbers)

n = int(input())

sum_ = 0
for a in range(1, n+1):
  for b in range(1, n+1):
    for c in range(1, n+1):
      sum_ += gcd(a, b, c)
    
print(sum_)
a,b=map(int,input().input())
print(a*b)


### FIXED CODE ###

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

def solve1(n):
    l = len(n)
    if l > 0:
        return int(n[0]) + 9 * (l-1)
    else:
        return 0

def solve2(n):
    l = len(n)
    if l > 1:
        ret = (int(n[0]) - 1) * 9 * (l-1) + 9 * 9 * (l - 1) * (l - 2)  // 2
        n = n[1:]
        while (n[0] == "0"):
            n = n[1:]
            if (n == "0"):
                n = ""
                break
        return ret + solve1(n)
    else:
        return 0

def solve3(n):
    l = len(n)
    if l > 2:
        ret = (int(n[0])-1) * 9 * 9 * (l - 1) * (l - 2) // 2 + 9 * 9 * 9 * (l - 1) * (l - 2) * (l - 3) // 6
        n = n[1:]
        while (n[0] == "0"):
            n = n[1:]
        return ret + solve2(n)
    else:
        return 0

if k == 1:
    print(solve1(n))
elif k == 2:
    print(solve2(n))
else:
    print(solve3(n))
    

### FIXED CODE ###

n = input()
k = int(input())

def solve1(n):
    l = len(n)
    if l > 0:
        return int(n[0]) + 9 * (l-1)
    else:
        return 0

def solve2(n):
    l = len(n)
    if l > 1:
        ret = (int(n[0]) - 1) * 9 * (l-1) + 9 * 9 * (l - 1) * (l - 2)  // 2
        n = n[1:]
        while (n[0] == "0"):
            if (n == "0"):
                n = ""
                break
            
            n = n[1:]
        return ret + solve1(n)
    else:
        return 0

def solve3(n):
    l = len(n)
    if l > 2:
        ret = (int(n[0])-1) * 9 * 9 * (l - 1) * (l - 2) // 2 + 9 * 9 * 9 * (l - 1) * (l - 2) * (l - 3) // 6
        n = n[1:]
        while (n[0] == "0"):
            
            if (n == "0"):
                n = ""
                break
            n = n[1:]
        return ret + solve2(n)
    else:
        return 0

if k == 1:
    print(solve1(n))
elif k == 2:
    print(solve2(n))
else:
    print(solve3(n))
s = list(raw_input())
k = int(raw_input())

for i in range(len(s)):
    numChanges = ord('z') - ord(s[i]) + 1
    if s[i] != 'a' and numChanges <= k:
        s[i] = chr(ord(s[i]) - 26 + numChanges)
        k -= numChanges

    elif i == len(s) - 1 and numChanges > k:
        s[i] = chr(ord(s[i]) + k)

print ''.join(s)
        

### FIXED CODE ###

s = raw_input()
print s[:4] + ' ' + s[4:]
N = int(input())
a_list = list(map(int, input().split()))

sort_dict = collections.Counter(a_list)

remove_counter = 0

for key, value in sort_dict.items():
    if value < key:
        remove_counter += value
    elif value == key:
        pass
    else:
        remove_counter += (value - key)
        
print(remove_counter)

### FIXED CODE ###

N = int(input())
sort_a_list = sorted(list(map(int, input().split())))

sort_dict = {}
for i in sort_a_list:
    if i not in sort_dict.keys():
        sort_dict[i] = [i]
    else:
        sort_dict[i].append(i)
        
remove_counter = 0
for key, value in sort_dict.items():
    if len(value) < key:
        remove_counter += len(value)
    elif len(value) == key:
        pass
    else:
        remove_counter +=(len(value) - key)
        
print(remove_counter)
import sys
from numba import njit

R, C, K = map(int, input().split())
item = [[0]*C for _ in range(R)]
for s in sys.stdin.readlines():
    r, c, v = map(int, s.split())
    item[r-1][c-1] = v

@njit
def solve(R, C, K, item):
    DP = [[[0, 0, 0, 0] for _ in range(C)] for _ in range(R)]

    DP[0][0][1] = item[0][0]

    for i in range(R):
        for j in range(C):
            for k in range(4):
                if i > 0:  # 前の行から
                    DP[i][j][0] = max(DP[i][j][0], max(DP[i-1][j]))  # 取らない
                    DP[i][j][1] = max(DP[i][j][1], max(DP[i-1][j])+item[i][j])  # 取る

                if j > 0:  # 前の列から
                    DP[i][j][k] = max(DP[i][j][k], DP[i][j-1][k])  # 取らない
                    if k >= 1:
                        DP[i][j][k] = max(DP[i][j][k], DP[i][j-1][k-1]+item[i][j])  # 取る

    print(max(DP[R-1][C-1]))

solve(R, C, K, item)

### FIXED CODE ###

import sys

R, C, K = map(int, input().split())
item = [[0] * (C + 1) for _ in range(R + 1)]  # dp配列と合わせるために, 0行目, 0列目を追加している.
for s in sys.stdin.readlines():
    r, c, v = map(int, s.split())
    item[r][c] = v

dp = [[[0] * (C + 1) for _ in range(R + 1)] for _ in range(4)]
for i in range(R + 1):
    for j in range(C + 1):
        for k in range(4):
            here = dp[k][i][j]
            # 次の行に移動する場合
            if i + 1 <= R:
                # 移動先のアイテムを取らない場合
                dp[0][i + 1][j] = max(dp[0][i + 1][j], here)
                # 移動先のアイテムを取る場合
                dp[1][i + 1][j] = max(dp[1][i + 1][j], here + item[i + 1][j])
            # 次の列に移動する場合
            if j + 1 <= C:
                # 移動先のアイテムを取らない場合
                dp[k][i][j + 1] = max(dp[k][i][j + 1], here)
                # 現在のkが3未満のときのみ, 移動先のアイテムを取ることが可能
                if k < 3:
                    dp[k + 1][i][j + 1] = max(dp[k + 1][i][j + 1], here + item[i][j + 1])
ans = 0
for k in range(4):
    ans = max(ans, dp[k][-1][-1])
print(ans)
def main():
  n,m = map(int,input().split())
  s = [int(n) for n in input().split()]
  cs = s
  for i in range(m):
    a,b = map(int,input().split())
    a-=1,b-=1
    if(s[a] < s[b]):
      cs[a]=-1
    else if(s[a] == s[b]):
      cs[a]=-1
      cs[b]=-1
    else:
      cs[b]=-1
  print(cs.count(-1))
      
if __name__ == '__main__':
  main()

### FIXED CODE ###

N, M =map(int, input().split())
H_tree = [0] + [int(n) for n in input().split()]
GOOD_Tree = [0] + [1 for n in range(N)]
 
for i in range(M):
  A, B = map(int, input().split())
  if H_tree[A]<=H_tree[B]:GOOD_Tree[A] = 0
  if H_tree[A]>=H_tree[B]:GOOD_Tree[B] = 0
print(sum(GOOD_Tree))
import math

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

A=list(set(A))
N=len(A)
A.sort()

g=A[0]
for i in range(N-1):
    g=math.gcd(g,A[i+1])

#tmp=0
#ans="POSSIBLE"
#for i in range(N):
#    tmp+=A[i]%g
if g==1 and K<=A[-1]:
    ans="POSSIBLE"
else:
    ans="IMPOSSIBLE"
if N==1:
    ans="POSSIBLE"
print(ans)

### FIXED CODE ###

import fractions

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

A=list(set(A))
N=len(A)
A.sort()

g=A[0]
for i in range(N-1):
    g=fractions.gcd(g,A[i+1])

if K%g==0 and K<=A[-1]:
    ans="POSSIBLE"
else:
    ans="IMPOSSIBLE"
print(ans)
N=int(input())
S={}
for i in range(N):
    S.add(i)
print(len(S))

### FIXED CODE ###

N=int(input())
S=[]
for i in range(N):
    _=input()
    S.append(_)
Set=set(S)
print(len(Set))
s = input()

if s = "ABC":
  print("ARC")
else:
  print("ABC")

### FIXED CODE ###

s = input()

if s == "ABC":
  print("ARC")
else:
  print("ABC")
a, b = map(int, input().split())

if a > 12:
  print(b)
  break
elif a > 5:
  print(b/2)
  break
else:
  print(0)

### FIXED CODE ###

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

if a > 12:
  print(b)
elif a > 5:
  print(round(b/2))
else:
  print(0)
N, K = [int(x) for x in input().split()]
A = [int(x)-1 for x in input().split()]
past = 0
history = [0]
while True:
    na = A[past]
    if na in history: 
        break
    history.append(na)
    past = na
s = history.index(na)
e = len(history) - s
loop = e - s
if K <= s: # ループ前終了
    print(history[K]+1)
else:
    k = K - s
    print(history[s+(k%loop)]+1)


### FIXED CODE ###

N, K = [int(x) for x in input().split()]
A = [int(x)-1 for x in input().split()]
past = 0
history = [0]
s = set()
while True:
    na = A[past]
    if na in s: 
        break
    s.add(na)
    history.append(na)
    past = na
s = history.index(na)
e = len(history)
loop = e - s
if K <= s: # ループ前終了
    print(history[K]+1)
else:
    k = K - s
    print(history[s+(k%loop)]+1)
N, R = int(input())
if N >= 10:
  print(R)
else: 
  print ( 100 * (10 - R) + N)

### FIXED CODE ###

N, R = map(int, input().split())
if N >= 10:
  print(R)
else:
  print( 100 * (10 - N) + R )
#素因数分解をする
from fraction import gcd
import numpy as np
a,b = [int(i) for i in input().split()]
g = gcd(a,b)

primes = []
n=1

#約数に関して、常に、これが言える。
while n**2 <=g:
    n += 1
    q,r = divmod(g,n)
    if r!=0:
        continue
    while r==0:
        g = q
        q,r = divmod(g,n)
    primes.append(n)

#最後に素数が余るケース    
if g != 1:
    primes.append(g)
    
print(len(primes)+1)



### FIXED CODE ###

#素因数分解をする
from fractions import gcd
import numpy as np
a,b = [int(i) for i in input().split()]
g = gcd(a,b)

primes = []
n=1

#約数に関して、常に、これが言える。
while n**2 <=g:
    n += 1
    q,r = divmod(g,n)
    if r!=0:
        continue
    while r==0:
        g = q
        q,r = divmod(g,n)
    primes.append(n)

#最後に素数が余るケース    
if g != 1:
    primes.append(g)
    
print(len(primes)+1)
def toggle_nth_bit(num: int, n: int):
    return num ^ (1 << n)


N = int(input())
X = input()
f = 0
count = 1
ans = 0
fi = 0
ori = X.count("1")
result = 0
xc0 = int(X,2) % (ori + 1)
xc1 = int(X,2) % (ori - 1) if ori > 1 else 0
for i in range(N-1, -1, -1):
    # print(i)
    fi = toggle_nth_bit(int(X, 2), i)
    # f = bin(toggle_nth_bit(int(X, 2), i))
    if X[i] == "1":
        result = ori - 1
        ans = (xc1 - pow(2, i,result)) % result
    else:
        result = ori + 1
        ans = (xc0 - pow(2, i,result)) % result

    # f = toggle_nth_bit(int(X, 2), i)
    if result == 0:
        # ans = fi % result
    # else:
        print(0)
        continue
    while ans > 0:
        # f = bin(fi)
        count += 1
        if ans == 1:
            break
        # ans = ans % popcount(ans)
        ans = ans % bin(ans).count("1")

        # print(f)
        # print(fi)
        # count += 1
        # print(count)
    # c.append(count)
    print(count)
    count = 1

# ans = str(bin(toggle_nth_bit(int(X,2), 0)))
# for i in c:
#     print(i)

### FIXED CODE ###

def pc(x):
    return format(x, 'b').count('1')


N = int(input())
X = input()
Xo = int(X, 2)

count = 0
ans = 0
ori = pc(Xo)
X = list(X)

Xp = Xo%(ori + 1)
if ori == 1:
    Xm = 0
else:
    Xm = Xo % (ori - 1)

# for i in range(N-1, -1, -1):
for i in range(N):
    if ori == 1 and X[i] == '1':
        print(0)
        continue
    else:
        if X[i] == '1':
            # ans = Xm - pow(2, i, ori - 1)
            ans = Xm - pow(2, N-1-i, ori - 1)
            ans %= ori - 1
        else:
            # ans = Xp - pow(2, i, ori + 1)
            ans = Xp + pow(2, N-1-i, ori + 1)
            ans %= ori + 1
    count = 1
    while ans > 0:
        # count += 1
        # if ans == 1:
        #     break
        ans %= pc(ans)
        count += 1

   
    print(count)
    count = 1
S,W = map(int,input().split())
if S > W: print(safe)
else: print(unsafe)

### FIXED CODE ###

S, W = map(int, input().split())
if S <= W:
    print("unsafe")
else:
    print("safe")
N=int(input())
S=input()
count=0
for i in range(len(S)):
  if S[i]=="A":
    if S[i+1]=="B" and S[i+2]=="C":
      count+=1
print(count)

### FIXED CODE ###

N=int(input())
S=input()
count=0
for i in range(len(S)-2):
  if S[i]=="A":
    if S[i+1]=="B" and S[i+2]=="C":
      count+=1
print(count)
n,m=map(int,input().split())
a=[int(input()) for _ in range(m)]
l=[1]+[0 for _ in range(n+5)]
c=0
for x in range(n):
    if x<a[0]:
        l[x+1]+=l[x]
        l[x+2]+=l[x]
    if x==a[0]:
        if len(a)>=2:a.pop(0)
        else:a[0]=200000
print(l[n]%(10**9+7))

### FIXED CODE ###

n,m=map(int,input().split())
a=[int(input()) for _ in range(m)]
l=[1]+[0 for _ in range(n+5)]
if m==0:a=[200000]
for x in range(n):
    if x<a[0]:
        l[x+1]+=l[x]
        l[x+2]+=l[x]
    if x==a[0]:
        if len(a)>=2:a.pop(0)
        else:a[0]=200000
print(l[n]%(10**9+7))
n,*a=map(int,open(0).read().split())
mod=10**9+7
l=[0]*n
l[0]=3
ans=1
for ai in a:
  ans*=l[ai]
  ans%=mod
  l[ai]-=1
  l[ai+1]+=1
print(ans)

### FIXED CODE ###

n,*a=map(int,open(0).read().split())
mod=10**9+7
l=[0]*(n+1)
l[0]=3
ans=1
for ai in a:
  ans*=l[ai]
  ans%=mod
  l[ai]-=1
  l[ai+1]+=1
print(ans)
n = input()
height_list = [int(i) for i in input().split()]

count_list = []
for i in range(len(height_list)-1):
    count = 0
    for j in range(i, len(height_list)-1):
        if height_list[j] < height_list[j+1]:
            break
        count += 1
    count_list.append(count)
print(max(count_list))


### FIXED CODE ###

n = int(input())
h = [int(i) for i in input().split()]

count = 0
provisional_max_count = 0
for i in range(n-1):
    if h[i] >= h[i+1]:
        count += 1
    else:
        provisional_max_count = max(count, provisional_max_count)
        count = 0
print(max(provisional_max_count, count))
n = int(input())
a = list(map(int, input().split()))

num = [0] * (len(a)+1)
for i in range(0,n):
    for j in range(len(a)):
        if a[j] == i+1:
            num[i] += 1
            if num[i] == a[j]:
                continue
    print(num[i])  

### FIXED CODE ###

import math

r = int(input())
print(2*math.pi*r)
S=int(input())
h=int(S/3600)
m=int(S/60)%60
s=S%60
print('{}:{}:{}',format(h,m,s))

### FIXED CODE ###

S=int(input())
h=int(S/3600)
m=int(S/60)%60
s=S%60
print('{}:{}:{}'.format(h,m,s))
def main():
    A, B, K = map(int, input().split())
    higher = 0
    if A < B:
        higher = B
    else:
        higher = A
    l = []
    for i in range(higher):
        if i == 0:
            continue
        if A % i == 0 and B % i == 0:
            l.append(i)
    if len(l) == 0:
        print(1)
        return
    print(l[(-1*K)])
main()



### FIXED CODE ###

def main():
    A, B, K = map(int, input().split())
    count = 0

    for i in range(100, 0, -1):
        if (A % i == 0) and (B % i == 0):
            count += 1
            if count == K:
                print(i)
                break
main()
n,l=map(int,input().split())
c=[]
for i range(n):
  c.append(input())
c.sort()
print("".join(c))
  
    


### FIXED CODE ###

n,l=map(int,input().split())
c=[]
for i in range(n):
  c.append(input())
c.sort()
print("".join(c))
from collections import deque
n=int(input())
a=[0]*(n+1)
b=[0]*(n+1)
g=[[] for _ in range(n+1)]
for i in range(1,n):
    a[i],b[i]=map(int,input().split())
    g[a[i]].append(b[i])
    g[b[i]].append(a[i])

def bfs(x):
    cnt=0
    q=deque()
    q.append(x)
    vst=set()
    while len(q)>0:
        c=q.popleft()
        vst.add(c)
        for nb in g[c]:
            if nb not in vst:
                q.append(nb)
    return vst

def dfs(x,y,path,vst):
    path=deque(path)
    vst=deque(vst)
    path.append(x)
    vst.append(x)
    if x==y:
        return path
    
    for i in g[x]:
        if i not in vst:
            a=dfs(i,y,path,vst)
            if a!=None:
                return a

r=dfs(1,n,deque(),deque())
rl=list(r)
t=(len(rl)-1)//2
g[rl[t]].remove(rl[t+1])
#print(rl)

print('Fennec' if len(bfs(1))>=n//2 else 'Snuke')

### FIXED CODE ###

from heapq import heappush,heappop,heapify
from collections import deque,defaultdict,Counter
import itertools
from itertools import permutations,combinations,groupby
import sys
import bisect
import string
import math
import time
import random
def S_():
    return input()
def LS():
    return [i for i in input().split()]
def I():
    return int(input())
def MI():
    return map(int,input().split())
def LI():
    return [int(i) for i in input().split()]
def LI_():
    return [int(i)-1 for i in input().split()]
def NI(n):
    return [int(input()) for i in range(n)]
def NI_(n):
    return [int(input())-1 for i in range(n)]
def StoI():
    return [ord(i)-97 for i in input()]
def ItoS(nn):
    return chr(nn+97)
def LtoS(ls):
    return ''.join([chr(i+97) for i in ls])
def GI(V,E,Directed=False,index=0):
    org_inp=[]
    g=[[] for i in range(n)]
    for i in range(E):
        inp=LI()
        org_inp.append(inp)
        if index==0:
            inp[0]-=1
            inp[1]-=1
        if len(inp)==2:
            a,b=inp
            g[a].append(b)
            if not Directed:
                g[b].append(a)
        elif len(inp)==3:
            a,b,c=inp
            aa=(inp[0],inp[2])
            bb=(inp[1],inp[2])
            g[a].append(bb)
            if not Directed:
                g[b].append(aa)
    return g,org_inp
def bit_combination(k,n=2):
    rt=[]
    for tb in range(n**k):
        s=[tb//(n**bt)%n for bt in range(k)]
        rt+=[s]
    return rt
def show(*inp,end='\n'):
    if show_flg:
        print(*inp,end=end)
YN=['Yes','No']
mo=10**9+7
inf=float('inf')
l_alp=string.ascii_lowercase
u_alp=string.ascii_uppercase
ts=time.time()
sys.setrecursionlimit(10**5)
input=lambda: sys.stdin.readline().rstrip()

def ran_input():
    import random
    n=random.randint(4,16)
    rmin,rmax=1,10
    a=[random.randint(rmin,rmax) for _ in range(n)]
    return n,a

show_flg=False
show_flg=True


ans=0

n=I()
g,c=GI(n,n-1)


v=[-1]*n
v[0]=1
v[n-1]=0

def dfs(x,s):
    r=[]
    for i in x:
        for nb in g[i]:
            if v[nb]==-1:
                r.append(nb)
                v[nb]=s
    return r

F=[0]
S=[n-1]
while F or S:
    F=dfs(F,1)
#    show('F',v,F,S)
    S=dfs(S,0)
#    show('S',v,F,S)

if sum(v)>n//2:
    ans='Fennec'
else:
    ans='Snuke'
    
print(ans)