Harryxun/stf_run huggingface dataset:
import copy
a=int(input())
b=(list(map(int, input().split())))
bb = copy.copy(b)
c=0
d=[]
n=0
f=b[0]
d.append(f)
b.pop(0)

def kakunin(bb,d):
  while c==0:
    cc=0
    for i in range(len(bb)):
      if d[len(d)-2]==d[len(d)-1]^bb[i]:
        g=bb[i]
        d.append(g)
        bb.pop(i)
        cc=1
        if len(d)==a and d[0]==d[len(d)-2]^d[len(d)-1]:
          global ccc
          ccc=1
          return
    if cc==0:
      ccc=0
      return
      
while c==0:
  n+=1    
  bb = copy.copy(b)
  f=b[0]
  d.append(f)
  b.pop(0)
  bb.pop(0)
  kakunin(bb,d)
  b.append(f)
  if ccc==1:
    print("Yes")
    break
  else:
    d=[f]
  if n>=a:
    print("No")
    break

### FIXED CODE ###

a=int(input())
b=list(map(int, input().split()))
c=list(set(b))
t=0
d=[0 for i in range(len(c))]
if a==1:
  print("Yes")
else:
  if len(c)==1:
    if c[0]==0:
      print("Yes")
    else:
      print("No")
  elif len(c)==2:
    for i in range(len(c)):
      e=c[i]
      d[i]=b.count(e)
    if (c[0]==0 and d[0]*2==d[1])or (c[1]==0 and d[1]*2==d[0]):
      print("Yes")
    else:
      print("No")
  elif len(c)>3:
    print("No")
  else:  
    for i in range(len(c)):
      e=c[i]
      d[i]=b.count(e)
    if d[0]==d[1]and d[0]==d[2] and c[0]==c[1]^c[2]:
      print("Yes")
    else:
      print("No")
H,W= map(int,input().split())
mine = [list(input()) for i in range(H)]

def count(ch):
  return 1 if ch == '#' else 0

for i in range(H):
  for j in range(W):
    if mine[i][j] == '#':
      continue
    else:
      num = 0
      if (i == 0):
        if(j == 0):
          mine[0][0] = count(mine[0][1]) + count(mine[1][1])+count(mine[1][0])
        elif(j == W-1):
          mine[0][W-1] = count(mine[0][W-2]) + count(mine[1][W-2])+count(mine[1][W-1])
        else:
          mine[0][j] = count(mine[0][j-1]) + count(mine[0][j+1])+count(mine[1][j-1])+count(mine[1][j])+count(mine[1][j+1])
      elif(i == H-1):
        if(j == 0):
          mine[H-1][0] = count(mine[H-1][1]) + count(mine[H-2][1])+count(mine[H-2][0])
        elif(j == W-1):
          mine[H-1][W-1] = count(mine[H-1][W-2]) + count(mine[H-2][W-2])+count(mine[H-2][W-1])
        else:
          mine[H-1][j] = count(mine[H-1][j-1]) + count(mine[H-1][j+1])+count(mine[H-2][j-1])+count(mine[H-2][j])+count(mine[H-2][j+1])
      elif(j == 0):
        mine[i][0] = count(mine[i-1][0]) + count(mine[i+1][0])+count(mine[i-1][1])+count(mine[i][1])+count(mine[i+1][1])
      elif(j == W-1):
        mine[i][W-1] = count(mine[i-1][W-1]) + count(mine[i+1][W-1])+count(mine[i-1][W-2])+count(mine[i][W-2])+count(mine[i+1][W-2])
      else:
        mine[i][j] = count(mine[i-1][j-1])+count(mine[i][j-1])+count(mine[i+1][j-1])+count(mine[i-1][j])+count(mine[i][j])+count(mine[i+1][j])+count(mine[i-1][j+1])+count(mine[i][j+1])+count(mine[i+1][j+1])
for i in range(H):
  for j in range(W):
    print(mine[i][j],end='')
  print()



### FIXED CODE ###

H,W= map(int,input().split())
emp_H= [['.']*(W+2)]
mine = [['.']+list(input())+ ['.'] for i in range(H)]
mine = emp_H + mine + emp_H

def count(ch):
  return 1 if ch == '#' else 0

for i in range(1,H+1):
  for j in range(1,W+1):
    if mine[i][j] == '#':
      continue
    else:
      mine[i][j] = count(mine[i-1][j-1])+count(mine[i][j-1])+count(mine[i+1][j-1])+count(mine[i-1][j])+count(mine[i][j])+count(mine[i+1][j])+count(mine[i-1][j+1])+count(mine[i][j+1])+count(mine[i+1][j+1])
for i in range(1,H+1):
  for j in range(1,W+1):
    print(mine[i][j],end='')
  print()
N=int(input())
if N%2==0:
  print(N/2**2)
else:
  print()(N//2)*((N//2)+1))

### FIXED CODE ###

N=int(input())
if N%2==0:
  print((N//2)**2)
elif N%2!=0:
  print((N//2)*(N-(N//2)))
N = int(input())
vectors = [input().split() for i in range(N)]

value = 0
converter = {
    'JPY' : 1,
    'BTC' : 380000
}
for v in vectors:
    x, u = v
    value += float(x) * converter.get(u)

print(value)

### FIXED CODE ###

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

sumamry = [0] * 30
for vec in vectors:
    ans = vec[1:]
    for a in ans:
        sumamry[a-1] += 1

ret = 0
for s in sumamry:
    if s == N:
        ret += 1

print(ret)
a,b,c,d = map(int,input().split())

if a <= c:
  if b <= c:
    print(0)
    exit()
  
  if b <= d:
    print(b-c)
  elif b >d:
    print(d-c)
    
    
if a > c:
  if d <= a:
    print(0)
    eixt()
    
  if d <= b:
    print(d-a)
  elif d > b:
    print(b-a)



### FIXED CODE ###

a, b, c, d = map(int, input().split())
ans = 0
for i in range(0, 101):
    if a < i <= b and c < i <= d:
        ans += 1

print(ans)
c = [list(map(str,input().split())) for i in range(3)]

print(''.join([c[0][0],c[1][1],c[2][2]]))

### FIXED CODE ###

c = [list(input()) for i in range(3)]
print(''.join([c[0][0],c[1][1],c[2][2]]))
a, b =map(int,input().split())

if a < b-1:
print(a)

else:
print(a-1)


### FIXED CODE ###

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

if a<b+1:
     print (a)
else:
     print (a-1)
import sys

def process(dataset):
    data = []
    for line in dataset:
        line = line.split()
        if len(line) == 2:
            if line[0] == line[1] == '0':
                data = []
                continue
            H = int(line[0])
            W = int(line[1])
        elif len(line) == 0:
            pass
        else:
            data.append(line[0])
            if len(data) == H:
                field = create_field(H, W)
                print search(H, W, data, field)

def search(H, W, data, field):
    count = 0
    for i in xrange(H):
        for j in xrange(W):
            if field[i][j] == 0:
                continue
            _search(i, j, H, W, data[i][j], data, field)
            count += 1
    return count

def _search(i, j, H, W, cell, data, field):
    field[i][j] = 0
    for a in xrange(i-1, i+2):
        if -1 < a < H:
            pass
        else:
            continue
        for b in xrange(j-1, j+2):
            if -1 < b < W:
                pass
            else:
                continue

            if a != i and b != j:
                continue

            if field[a][b] == 0:
                continue
            if cell == data[a][b]:
                _search(a, b, H, W, cell, data, field)
    return

def create_field(H, W):
    field = []
    for i in xrange(H):
        raw = []
        for j in xrange(W):
            raw.append(1)
        field.append(raw)
    return field

if __name__ == '__main__':
    dataset = [line.strip() for line in sys.stdin.readlines()]
    process(dataset)

### FIXED CODE ###

import sys
sys.setrecursionlimit(100000000)


def main():
    solve()


def solve():
    for data in get_dataset():
        print search(data)


def search(data):
    count = 0
    H = len(data)
    W = len(data[0])
    for i in xrange(H):
        for j in xrange(W):
            if data[i][j] == '.':
                continue
            _search(i, j, H, W, data[i][j], data)
            count += 1
    return count


def _search(i, j, H, W, cell, data):
    data[i][j] = '.'
    for a in xrange(i-1, i+2):
        if not -1 < a < H:
            continue
        for b in xrange(j-1, j+2):
            if not -1 < b < W:
                continue

            if a != i and b != j:
                continue

            if data[a][b] == '.':
                continue

            if cell == data[a][b]:
                _search(a, b, H, W, cell, data)
    return


def get_dataset():
    dataset = []
    while True:
        line = raw_input().rstrip().split()
        H = int(line[0])
        if H == 0:
            break

        data = []
        for i in xrange(H):
            data.append(list(raw_input().rstrip()))
        dataset.append(data)
    return dataset


if __name__ == '__main__':
    main()
l,r = map(int,input().split())
a = []
if r-l>=2019:
  print(0)
else:
  for i in range(l,r+1):
    a.append(i%2019)
a.sort()
print(a[0]*a[1])

### FIXED CODE ###

l,r = map(int,input().split())
m = 2018
if r-l>=2019:
  print(0)
else:
  for i in range(l,r+1):
    for j in range(i+1,r+1):
      a = (i*j)%2019
      m = min(a,m)
  print(m)
# coding: utf-8

import codecs
import sys

sys.stdout = codecs.getwriter("shift_jis")(sys.stdout) # ??????
sys.stdin = codecs.getreader("shift_jis")(sys.stdin) # ??\???

# ??\??¬?????????print??????????????´?????? print(u'?????????') ??¨??????
# ??\??¬?????????input??? input(u'?????????') ??§OK
# ??°?¢???????????????????????????´??????6,7???????????????????????¢??????

DEBUG = 0

if DEBUG == 0:
	a = []
	for i in range(200):
		deglist=[int(x) for x in input().split(" ")]
		a.append(int_deglist)
else:
	a = [[5,7],[1,99],[1000,999]]

for i in range(len(a)):
	wa = a[i][0] + a[i][1]
	print len(str(wa))

### FIXED CODE ###

# coding: utf-8

import codecs
import sys

sys.stdout = codecs.getwriter("shift_jis")(sys.stdout) # ??????
sys.stdin = codecs.getreader("shift_jis")(sys.stdin) # ??\???

# ??\??¬?????????print??????????????´?????? print(u'?????????') ??¨??????
# ??\??¬?????????input??? input(u'?????????') ??§OK
# ??°?¢???????????????????????????´??????6,7???????????????????????¢??????

"""
DEBUG = 0

if DEBUG == 0:
	a = []
	for i in range(200):
		deglist=[int(x) for x in input().split(" ")]
		a.append(deglist)
else:
	a = [[5,7],[1,99],[1000,999]]

for i in range(len(a)):
	wa = a[i][0] + a[i][1]
	print len(str(wa))
"""

while True:
	try:
		a,b = map(int, raw_input().split())
		print len(str(a+b))
	except EOFError:
		break
a, b=map(int, input().split())
print(r, l)
r=a*b
l=2*(a+b)


### FIXED CODE ###

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

r=a*b
l=2*(a+b)

print(r,l)
a,b,x=[int(i) for i in input().split()]
count=0
count=[_ for i in range(a,b+1) if i%x==0]
print(len(count))
'''for i in range(a,b+1):
    if(i%x==0):
        count+=1
print(count)'''


### FIXED CODE ###

a,b,c=[i for i in input().split()]
print('A'+b[0]+'C')
import math

n = int(input())
l = list(map(int, input().split()))
gcd = l[0]
for i in range(len(l) - 1):
    gcd = math.gcd(gcd, l[i + 1])

print(gcd)


### FIXED CODE ###

def gcd(a, b):
    if a < b:
        a, b = b, a
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)


n = int(input())
l = list(map(int, input().split()))
num = 0
for i in range(len(l)):
    num = gcd(num, l[i])

print(num)
n, k=map(int,input().split())
a=[input() for i in range(n)]
a.sort()
b=[]
for p in range(n-k):
  c=a[p+k]-a[p]
  b.append(c)
  
print(min(b))
  

### FIXED CODE ###

n, k=map(int,input().split())
a=[int(input()) for i in range(n)]
a.sort()
b=[]
for p in range(n-k+1):
  c=a[p+k-1]-a[p]
  b.append(c)
  
print(min(b))
a,b,c = input().split()

a = int(a)
b = int(b)
c = int(c)


if(a + b + c) != 17:
  print("NO")
elif(a + b + c) = 17:
    if(a + b == 10) || (b + c == 10) || (c + a == 10):
      print("YES")
    else:
      print("NO")
else:
  print("NO")

### FIXED CODE ###

a,b,c = input().split()
 
a = int(a)
b = int(b)
c = int(c)
 
 
if(a + b + c) != 17:
  print("NO")
elif(a + b + c) == 17:
    if(a + b == 10) | (b + c == 10) | (c + a == 10):
      print("YES")
    else:
      print("NO")
else:
  print("NO")
#!/usr/bin/env python

from functools import reduce

# GCD and LCM are not in math module.  They are in gmpy, but these are simple enough:

def gcd(a,b):
    """Compute the greatest common divisor of a and b"""
    while b > 0:
        a, b = b, a % b
    return a
    
def lcm(a, b):
    """Compute the lowest common multiple of a and b"""
    return a * b / gcd(a, b)

N = int(input())
ts = []
for _ in range(N):
  T = int(input())
  ts.append(T)

print(int(reduce(lcm, ts)))


### FIXED CODE ###

#!/usr/bin/env python

from functools import reduce
import math

# GCD and LCM are not in math module.  They are in gmpy, but these are simple enough:

def gcd(a,b):
    """Compute the greatest common divisor of a and b"""
    while b > 0:
        a, b = b, a % b
    return a
    
def lcm(a, b):
    """Compute the lowest common multiple of a and b"""
    return a * b // gcd(a, b)

N = int(input())
ts = []
for _ in range(N):
  T = int(input())
  ts.append(T)

# print(reduce(lcm, ts))
ans = 1
for i in range(N):
  ans = lcm(ans, ts[i])
print(ans)
N,X,M=map(int,input().split())

seen=[-2]*M
seen[X]
A=[X]
i=1
while(i<N):
    T=A[-1]**2%M
    if seen[T]!=-2:
        Roop=i-seen[T]
        Left,Right=seen[T],i
        break
    A.append(T)
    seen[T]=i
    i+=1

if i==N:
    print(sum(A)+T)
    exit()

Roopsum=0
for i in range(Left,Right):
    Roopsum+=A[i]

Rest=N-len(A)

ans=sum(A)

ans+=Rest//Roop*Roopsum

for i in range(Rest%Roop):
    ans+=T
    T=T**2%M
print(ans)

### FIXED CODE ###

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

seen=[-2]*M
seen[X]
A=[X]
i=1
while(i<N):
    T=A[-1]**2%M
    if seen[T]!=-2:
        Roop=i-seen[T]
        Left,Right=seen[T],i
        break
    A.append(T)
    seen[T]=i
    i+=1

if i==N:
    print(sum(A))
    exit()

Roopsum=0
for i in range(Left,Right):
    Roopsum+=A[i]

Rest=N-len(A)

ans=sum(A)

ans+=Rest//Roop*Roopsum

for i in range(Rest%Roop):
    ans+=T
    T=T**2%M
print(ans)
pass = input()
last = Nane
for i in pass:
	if last == i:
        print("Bad")
        break
    else:
        last = i
else:
    print("Good")

### FIXED CODE ###

passward = input()
last = None
for i in passward:
    if last == i:
        print("Bad")
        break
    else:
        last = i
else:
    print("Good")
import itertools
N, M, Q = map(int, input().split())

K= [list(map(int, input().split())) for i in range(Q)]#二次配列

ans = 0
for A in itertools.combinations_with_replacement([i for i in range(1, M + 1)], N):
    ans1 = 0
    for i in range(Q):
        a, b, c, d = K[i]　#各数字に配列の値を代入する
        if (A[b - 1] - A[a - 1] == c):
            ans1 += d
        ans = max(ans, ans1)
print(ans)

### FIXED CODE ###

import itertools
N, M, Q = map(int, input().split())

K= [list(map(int, input().split())) for i in range(Q)]#二次配列

ans = 0
for A in itertools.combinations_with_replacement([i for i in range(1, M + 1)], N):
    ans1 = 0
    for i in range(Q):
        a, b, c, d = K[i]#各数字に配列の値を代入する
        if (A[b - 1] - A[a - 1] == c):
            ans1 += d
        ans = max(ans, ans1)
print(ans)
import sys
readline=sys.stdin.buffer.readline
n=int(input())
a=[list(map(int, readline().split())) for _ in range(n)]
a.sort(key=lambda x: x[1])
t=0
for i in range(n):
  t+=a[i][0]
  if t>a[i][1]:
    print("No")
    break
  elif i==n-1:
    print("Yes")


### FIXED CODE ###

s=input()
if s[0]==s[1] or s[1]==s[2] or s[2]==s[3]:
  print("Bad")
else:
  print("Good")
a,b=map(int, input().split())
if a>=13:
	print(b)
elif a>=6:
	print int(b/2)
else:
	print(0)

### FIXED CODE ###

a,b=map(int, input().split())
if a>=13:
	print(b)
elif a>=6:
	print(int(b/2))
else:
	print(0)
h,w=map(int,input().split())
dp=[[0 for i in range(w+1)] for j in range(h+1)]

A=[list(map(int,input().split())) for j in range(w)]
B=[list(map(int,input().split())) for j in range(w)]
C=[[abs(A[i][j]-B[i][j]) for j in range(h)] for i in range(w)]    

for i in range(h):
    for j in range(w):
        now=C[i][j]
        dp[i+1][j+1]=min(abs(dp[i][j+1]-now),abs(dp[i+1][j]-now))

print(dp[h][w])

### FIXED CODE ###

import sys 
def input():return sys.stdin.readline().rstrip()
sys.setrecursionlimit(10**7)
H,W=map(int,input().split())
A=[[int(x) for x in input().split()] for _ in range(H)]
B=[[int(x) for x in input().split()] for _ in range(H)]
C=[[0] * W for _ in range(H)]
for i in range(H):
    for j in range(W):
        C[i][j]=abs(A[i][j]-B[i][j])
center=80 * (H + W)
dp=[[0]*W for _ in range(H)]
dp[0][0]=(1<<(center - C[0][0]))|(1<<(center+C[0][0]))
for i in range(H):
    for j in range(W):
        if i:
            dp[i][j]|=dp[i-1][j]<<C[i][j]
            dp[i][j]|=dp[i-1][j]>>C[i][j]
        if j:
            dp[i][j]|=dp[i][j-1]<<C[i][j]
            dp[i][j]|=dp[i][j-1]>>C[i][j]            
ans=center*2
for i in range(center*2):
    if (dp[H-1][W-1]>>i)&1:
        ans=min(ans,abs(i-center))
print(ans)
import sys
    while 1:
    temp = input()
    if (temp==0):
    break
    N = temp
    a = []
    for i in range(N):
    a.append(map(int, raw_input().split())+[0])
    a.append([0 for i in range(0,temp+1)])	
    for i in range(0,temp):#行に関して
    for j in range(0,temp):#列に関して
    a[i][temp] += a[i][j]
    for k in range(0,temp+1):#列に関して
    for l in range(0,temp):#行に関して
    a[temp][k] += a[l][k]
    for m in range(0,temp+1):
    for n in range(0,temp+1):
    sys.stdout.write(str(a[m][n]).rjust(5))
    print ""

### FIXED CODE ###

import sys
try:
	while 1:
		temp = input()
		if (temp==0):
			break
		N = temp
		a = []
		for i in range(N):
			a.append(map(int, raw_input().split())+[0])
		a.append([0 for i in range(0,temp+1)])
		for i in range(0,temp):
			for j in range(0,temp):
				a[i][temp] += a[i][j]
		for k in range(0,temp+1):
			for l in range(0,temp):
				a[temp][k] += a[l][k]
		for m in range(0,temp+1):
			for n in range(0,temp+1):
				sys.stdout.write(str(a[m][n]).rjust(5))
			print ""
except(RuntimeError):
	pass
s = input().split(" ")

if (s[0] * s[1]) / 2 == 0:
  print('Even')
else:
  print('Odd')

### FIXED CODE ###

a, b = input().split(" ")

a = int(a)
b = int(b)

if (a * b) % 2 == 0:
  print("Even")
else:
  print("Odd")
import sys
input=sys.stdin.readline
n,p=map(int,input().split())
s=input().rstrip()
if p==2:
    for i in range(n):
        ans=0
        if s[i]%2==0:
            ans+=i+1
elif p==5:
    for i in range(n):
        ans=0
        if s[i]==0 or s[i]==5:
            ans+=i+1
else:
    count=[0]*p
    x=0
    y=1
    count[0]=1
    for i in range(n-1,-1,-1):
        x=x+y*int(s[i])
        x=x%p
        count[x]+=1
        y=(y*10)%p
    ans=0
    for i in count:
        ans+=i*(i-1)//2
print(ans)



### FIXED CODE ###

import sys
input=sys.stdin.readline
n,p=map(int,input().split())
s=input().rstrip()
if p==2:
    ans=0
    for i in range(n):
        if int(s[i])%2==0:
            ans+=i+1
elif p==5:
    ans=0
    for i in range(n):
        if int(s[i])==0 or int(s[i])==5:
            ans+=i+1
else:
    count=[0]*p
    x=0
    y=1
    count[0]=1
    for i in range(n-1,-1,-1):
        x=x+y*int(s[i])
        x=x%p
        count[x]+=1
        y=(y*10)%p
    ans=0
    for i in count:
        ans+=i*(i-1)//2
print(ans)
from sys import setrecursionlimit
setrecursionlimit(10 ** 9)

class UnionFind():
    def __init__(self, n):
        self.n = n
        self.d = [-1] * n

    def find(self, x):
        if self.d[x] < 0:
            return x
        else:
            self.d[x] = self.find(self.d[x])
            return self.d[x]
    def unite(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return False
        else:
            if self.d[x] > self.d[y]:
                x, y = y, x
            self.d[x] += self.d[y]
            self.d[y] = x
            return True

    def same(self, x, y):
        return self.find(x) == self.find(y)


    def size(self, x):
        return -self.d[self.find(x)]


n, k, l = map(int, input().split())
uf = UnionFind(n)
for i in range(k):
    p, q = map(int, input().split())
    p -= 1
    q -= 1
    uf.unite(p, q)
ans = [1] * n
for i in range(l):
    r, s = map(int, input().split())
    r -= 1
    s -= 1
    if uf.same(r, s) == True:
# print(uf.d)
print(' '.join(map(str, ans)))

### FIXED CODE ###

from sys import setrecursionlimit
setrecursionlimit(10 ** 9)

class UnionFind():
    def __init__(self, n):
        self.n = n
        self.d = [-1] * n

    def find(self, x):
        if self.d[x] < 0:
            return x
        else:
            self.d[x] = self.find(self.d[x])
            return self.d[x]
    def unite(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return False
        else:
            if self.d[x] > self.d[y]:
                x, y = y, x
            self.d[x] += self.d[y]
            self.d[y] = x
            return True

    def same(self, x, y):
        return self.find(x) == self.find(y)


    def size(self, x):
        return -self.d[self.find(x)]


n, k, l = map(int, input().split())
uf1 = UnionFind(n)
for i in range(k):
    p, q = map(int, input().split())
    p -= 1
    q -= 1
    uf1.unite(p, q)
uf2 = UnionFind(n)
for i in range(l):
    r, s = map(int, input().split())
    r -= 1
    s -= 1
    uf2.unite(r, s)
dic = {}
for i in range(n):
    val = (uf1.find(i), uf2.find(i))
    if val in dic:
        dic[val] += 1
    else:
        dic[val] = 1

for i in range(n):
    print(dic[(uf1.find(i), uf2.find(i))])
import math
N = int(input())
graph = {}
SCORE = 0
def dfs(visted,v,depth):
    visted[v] = depth
    for next_v in graph[v]:
        if  visted[next_v]  == -1 :
            dfs(visted,next_v,depth + 1)




for _ in range(N-1):
    a,b = map(int,input().split(" "))
    if a not in graph:
        graph[a] = [b]
    else:
        graph[a].append(b)

    if b not in graph:
        graph[b] = [a]
    else:
        graph[b].append(a)

vF = [-1] * (N + 1)
vF[1] = 0
dfs(vF,1,0)
# print(vF)

vS = [-1] * (N + 1)
vS[N] = 0

dfs(vS,N,0)
# print(vS)

fc = 0
sc = 0

for f,s in zip(vF[1:N + 1],vS[1:N + 1]):
    if f <= s:
        fc += 1
    else:
        sc += 1

# print(fc,sc)
if fc > sc:
    print("Fennec")
else:
    print("Snuke")


### FIXED CODE ###


import math
import sys
sys.setrecursionlimit(1000000)
N = int(input())
graph = {}
SCORE = 0
def dfs(visted,v,depth):
    visted[v] = depth
    for next_v in graph[v]:
        if  visted[next_v]  == -1 :
            dfs(visted,next_v,depth + 1)




for _ in range(N-1):
    a,b = map(int,input().split(" "))
    if a not in graph:
        graph[a] = [b]
    else:
        graph[a].append(b)

    if b not in graph:
        graph[b] = [a]
    else:
        graph[b].append(a)

vF = [-1] * (N + 1)
vF[1] = 0
dfs(vF,1,0)
# print(vF)

vS = [-1] * (N + 1)
vS[N] = 0

dfs(vS,N,0)
# print(vS)

fc = 0
sc = 0

for f,s in zip(vF[1:N + 1],vS[1:N + 1]):
    if f <= s:
        fc += 1
    else:
        sc += 1

# print(fc,sc)
if fc > sc:
    print("Fennec")
else:
    print("Snuke")
O = input()
O_2 = list(O)
OLEN = len(O)

E = input()
E_2 = list(E)
ELEN = len(E)

ans = []

if ELEN >= OLEN:
    N = ELEN
else:
    N = OLEN



if OLEN == ELEN:
    for i in range(N):
        ans.append(O_2[i])
        ans.append(E_2[i])

elif OLEN  != ELEN:
    
    for i in range(N):
        if len(ans) == ((OLEN) + (ELEN) -1):
            if OLEN > ELEN:
                ans.append(O_2[-1])
            else:
                ans.append(E_2[-1])
            break
        ans.append(O_2[i])
        ans.append(E_2[i])


for i in ans:
  print(i,end="")

### FIXED CODE ###

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

b_a = (b-a)
c_b = (c-b)

if b_a == c_b:
    print("YES")
else:
    print("NO")
S,T = map(str,input().split())

import sys

for i in range(len(S)):
    if S[i:len(S)] + S[:i] == T:
        print("Yes")
        sys.exit()
    
print("No")

### FIXED CODE ###

S = input()
T = input()

import sys

for i in range(len(S)):
    if S[i:len(S)] + S[:i] == T:
        print("Yes")
        sys.exit()
    
print("No")
D = input()
W = ['SUN','MON','TUE','WED','THU','FRI','SAT'] 
print(7 - l.index(D))

### FIXED CODE ###

D = input()
W = ['SUN','MON','TUE','WED','THU','FRI','SAT'] 
print(7 - W.index(D))