Harryxun/stf_run huggingface dataset:
n, k = map(int, input().split())
a = [0] + list(map(int, input().split()))

repeat = [0] * (n+1)
circle = [1]
point = 1
flag = 0
for _ in range(k):
    circle.append(a[point])
    repeat[point] = 1
    point = a[point]
    if(repeat[point] == 1):
        flag = 1
        break

if flag == 0:
    print(circle[-1])
else:
    index = circle.index(point)
    circle_cut = circle[index:-1]
    k = (k-index) % len(circle_cut)
    print(circle_cut[k])


### FIXED CODE ###

a = input()
b = input()
a = str(a)
b = str(b)
length = len(a)
if a == b[0:length]:
    print("Yes")
else:
    print("No")
n,p=map(int,input().split())



def yakusuSub(p,d,arr):
    if p==1:return arr
    if p/d==int(p/d):
        arr.append(d)
        return yakusuSub(p/d,d,arr)
    else:
        return yakusuSub(p,d+1,arr)

def yakusu(p):
    return yakusuSub(p,2,[])

if n==1:
    print(p)
    exit()

y=yakusu(p)
ans=1
cnt=1
before=0
f=False
for i in y:
    if i==before:
        cnt+=1
    else:
        cnt=1
    if cnt>=n:
        ans*=i
        cnt=1
        f=True
    before=i
if f:
    print(ans)
else:
    print(p)

### FIXED CODE ###

n, p = map(int, input().split())
if n == 1:
    print(p)
else:
    for i in range(1, round(p**(1/n))+1):
        if p % i**n ==0:
            res = i
    print(res)
from sys import stdin
W,H,x,y = [int(x) for x in stdin.readline().rstrip().split()]
if W == H and x == y == (W/2):
    print((W*H) / 2,1)

elif W == H and x == y and x != (W/2):
    print(min(x,W-x) * float(H),1)
    
elif (W/2) == x and (H/2) == y:
    print((W*H)/2,1)

elif x == W and y == 0:
    print((W*H)/2,0)
    
elif x == 0 and y == H:
    print((W*H)/2,0)

elif x == W and y == H:
    print((W*H)/2,0)
    
elif x == 0 and y == 0:
    print((W*H)/2,0)

elif (W/x) == (H/y):
    print((W*H)/2,0)
    
else:
    squ1 = min(x,W-x) * float(H)
    squ2 = min(y,H-y) * float(W)
    print(max(squ1,squ2),0)

### FIXED CODE ###

from sys import stdin
W,H,x,y = [int(x) for x in stdin.readline().rstrip().split()]
if (W / 2) == x and (H / 2) == y:
    print((W * H) / 2, 1)
else:
    print((W * H) / 2 ,0)
l = list(map(int, input().split()))
count = 0
for i in range(1, l-1):
  ll = l[i-1:i+1]
  ll.sort()
  if ll[1]==l[i]:
    count+=1
print(count)


### FIXED CODE ###

N = int(input())
l = [int(i) for i in input().split()]
count = 0
for i in range(len(l) - 2):
    ll = l[i:i + 3]
    ll.sort()
    if ll[1] == l[i+1]:
        count += 1
print(count)
from collections import Counter

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

cnt1 = Counter(v[::2]).most_common()
cnt2 = Counter(v[1::2]).most_common()
if cnt1[0][0] != cnt2[0][0]:
    print(n - (cnt1[0][1] + cnt2[0][1]))
else:
    print(n - min(cnt1[1][1] + cnt2[0][1], cnt1[1][1] + cnt2[0][1]))

### FIXED CODE ###

from collections import Counter

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

cnt1 = Counter(v[::2]).most_common()
cnt2 = Counter(v[1::2]).most_common()
cnt1 += [(-1,0)]
cnt2 += [(-1,0)]
if cnt1[0][0] != cnt2[0][0]:
    print(n - (cnt1[0][1] + cnt2[0][1]))
else:
    print(n - max(cnt1[1][1] + cnt2[0][1], cnt1[0][1] + cnt2[1][1]))
A,B,C=list(map(int,input()))
K=int(input())

print(A+B+C+(2**K-1)*max(A,B,C))

### FIXED CODE ###

A,B,C=list(map(int,input().split(' ')))
K=int(input())

print(A+B+C+(2**K-1)*max(A,B,C))
strlist = input().rstrip().split("")
evenset = set()
oddset = set()
 
for i in range(len(strlist)):
  if i % 2 == 0:
    evenset.add(strlist[i])
  else:
    oddset.add(strlist[i])
 
if (oddset <= {"R", "U", "D"} and evenset <= {"L", "U", "D"}):
  print("Yes")
 
else:
  print("No")

### FIXED CODE ###

moji = input().rstrip()
mojilist = list(moji)
evenset = set()
oddset = set()

for i in range(len(mojilist)):
  if i % 2 == 0:
    oddset.add(mojilist[i])
  else:
    evenset.add(mojilist[i])

if ((oddset <= {"R","U","D"}) and (evenset <= {"L","U","D"})):
  print("Yes")
else:
  print("No")
import math

N, Ma, Mb = map(int,input().split())
rate = Ma / Mb
a = [0] * N
b = [0] * N
c = [0] * N
MA = 0
MB = 0
for i in range(N):
    a[i], b[i], c[i] = map(int, input().split())
    MA += a[i]
    MB += b[i]

dp = [[[math.inf for i in range(MB+1)] for j in range(MA+1)] for k in range(N+1)]
dp[0][0][0] = 0

for it_N in range(N):
    for it_MA in range(MA+1):
        for it_MB in range(MB+1):
            if it_MA >= a[it_N] and it_MB >= b[it_N]:
                if dp[it_N][it_MA-a[it_N]][it_MB-b[it_N]] != math.inf:
                    dp[it_N+1][it_MA][it_MB] = min(dp[it_N][it_MA-a[it_N]][it_MB-b[it_N]] + c[it_N], dp[it_N][it_MA][it_MB])
            else:
                dp[it_N+1][it_MA][it_MB]=dp[it_N][it_MA][it_MB]

    for it_MA in range(MA+1):
        for it_MB in range(MB+1):
            print(it_N+1,it_MA,it_MB,dp[it_N+1][it_MA][it_MB])

#中身確認
ans = -1
for a in range(1, MA+1):
    for b in range(1, MB+1):
        print(a,b,dp[N][a][b])
        if a/b == rate and dp[N][a][b] != math.inf:
            if ans == -1:
                ans = dp[N][a][b]
            else:
                ans = min([dp[N][a][b], ans])
print(ans)


### FIXED CODE ###


N, Ma, Mb = map(int,input().split())
rate = Ma / Mb
a = [0] * N
b = [0] * N
c = [0] * N
MA = 0
MB = 0
MC = 0
for i in range(N):
    a[i], b[i], c[i] = map(int, input().split())
    MA += a[i]
    MB += b[i]
    MC += c[i]
    
dp = [[[MC for i in range(MB+1)] for j in range(MA+1)] for k in range(N+1)]
dp[0][0][0] = 0

for it_N in range(N):
    for it_MA in range(MA+1):
        for it_MB in range(MB+1):
            if it_MA >= a[it_N] and it_MB >= b[it_N]:
                if dp[it_N][it_MA-a[it_N]][it_MB-b[it_N]] != MC:
                    dp[it_N+1][it_MA][it_MB] = min(dp[it_N][it_MA-a[it_N]][it_MB-b[it_N]] + c[it_N], dp[it_N][it_MA][it_MB])
                else:
                    dp[it_N+1][it_MA][it_MB]=dp[it_N][it_MA][it_MB]
            else:
                dp[it_N+1][it_MA][it_MB]=dp[it_N][it_MA][it_MB]

ans = -1
for a in range(1, MA+1):
    for b in range(1, MB+1):
        if a/b == rate and dp[N][a][b] != MC:
            if ans == -1:
                ans = dp[N][a][b]
            else:
                ans = min(dp[N][a][b], ans)
print(ans)
# encoding:utf-8
import copy
import numpy as np
import random
import bisect #bisect_left　これで二部探索の大小検索が行える

N,Q = map(int, input().split())
s = str(input())
T = []
D = []
for i in range(Q):
    t,d = map(str,input().split())
    T.append(t)
    D.append(d)

T.reverse()
D.reverse()

nl = 0
nr = N-1
L = []#回収できた分
R = []
for i in range(Q):
    if D[i]=="R":
        if s[nr] == T[i]:
            L.append(s[nr])
            nr -= 1
        elif len(R)>0:
            if R[-1] == s[nr]:
                R.pop()

    else:
        if s[nl] == T[i]:
            R.append(s[nl])
            nl += 1
        elif len(L)>0:
            if L[-1] == s[nl]:
                L.pop()

print(N-len(R)-len(L))



#
# print(N-len(L)-len(R))


### FIXED CODE ###

# encoding:utf-8
import copy
import numpy as np
import random
import bisect #bisect_left　これで二部探索の大小検索が行える

N,Q = map(int, input().split())
s = input()
td = [input().split() for i in range(Q)]

td.reverse()

nl = 0
nr = N-1
L = []
R = []
for i in td:#全ての指示
    # print(L,R)
    if i[1]=="L":
        if nl < N:
            if s[nl] == i[0]:
                L.append(i[0])
                nl += 1
            if len(R) != 0:
                if R[-1]==i[0]:
                    R.pop()
                    nr += 1
    else:
        if nr >= 0:
          if s[nr] == i[0]:
            R.append(i[0])
            nr -= 1
        if len(L) != 0:
          if L[-1] == i[0]:
            L.pop()
            nl -= 1

print(N-len(L)-len(R))
x, y = [int(i) for i in input().split(" ")]

num = []
if x > y:
    z = x % y
    for zzz in range(z + 1):
        if z % zzz == 0 and x % zzz == 0:
            num.append(zzz)
            print(max(num))
elif y > x:
    z = y % x
    for zzz in range(z + 1):
        if z % zzz == 0 and y % zzz == 0:
            num.append(zzz) 
            print(max(num))
else:
    print(x)

### FIXED CODE ###

def gdc(x, y):
    if x % y == 0:
        return y
    else:
        return gdc(y, x%y)


if __name__ == '__main__':
    x, y = [int(i) for i in input().split(" ")]
    print(gdc(x, y))
s = input()
if s == "A":
    print("T")
elif s == "T":
    print("A")
elif s == "C":
    print("G")
else:
    print("C")


### FIXED CODE ###

s = input()
if s == "A":
    print("T")
elif s == "T":
    print("A")
elif s == "C":
    print("G")
else:
    print("C")
a,b,k = list(map(int, input().split()))

if a =< k:
    k -= a
    a = 0
else:
    a -= k
    k = 0

if b =< k:
    b = 0
else:
    b -= k
    
print(a, b)

### FIXED CODE ###

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

if a <= k:
    k -= a
    a = 0
else:
    a -= k
    k = 0

if b <= k:
    b = 0
else:
    b -= k
    
print(a, b)
N, i = map(int, input())
print(N-i+1)

### FIXED CODE ###

N, i = map(int, input().split())
print(N-i+1)
H,W=map(int, input().split())
C=["0" for k in range(W)]
for k in range(H):
    C[k]=input()
D=["0"for k in range(2*H)]
for k in range(H):
    D[2*k]=C[k]
    D[2*k+1]=C[k]
for k in range(2*H):
    print(D[k])

### FIXED CODE ###

H,W=map(int, input().split())
C=["0" for k in range(H)]
for k in range(H):
    C[k]=input()
D=["0"for k in range(2*H)]
for k in range(H):
    D[2*k]=C[k]
    D[2*k+1]=C[k]
for k in range(2*H):
    print(D[k])
N, Q = map(int, input().split())
s = str(input())

t = []
d = []

for _ in range(Q):
    ti, di = map(str, input().split())
    t.append(ti)
    d.append(di)
    
LEFT_DIE = -1
RIGHT_DIE = len(s)

def is_dead(i):
    for ti, di in zip(t, d):
        if s[i] == ti:
            if di == 'L':
                i -= 1
            if di == 'R':
                i += 1
            if i == LEFT_DIE:
                return LEFT_DIE
            if i == RIGHT_DIE:
                return RIGHT_DIE
    return 0

low = -1
high = len(s);
# LEFT
while high - low > 1:
    mid = (low + high) // 2;
    if is_dead(mid) == LEFT_DIE:
        low = mid
    else:
        high = mid
left_edge = high

low = -1
high = len(s);
# RIGHT
while high - low > 1:
    mid = (low + high) // 2;
    if is_dead(mid) == RIGHT_DIE:
        high = mid
    else:
        low = mid
right_edge = low
        
        

left_edge = check_left()
#print(left_edge)
right_edge = check_right()
#print(right_edge)

ans_s = s[left_edge+1:right_edge]
#print(ans_s)
ans = len(ans_s)
print(ans)

        
        
        
        
        
        

### FIXED CODE ###

N, Q = map(int, input().split())
s = str(input())

t = []
d = []

for _ in range(Q):
    ti, di = input().split()
    t.append(ti)
    d.append(di)
    
LEFT_DIE = -1
RIGHT_DIE = N

def is_dead(i):
    for ti, di in zip(t, d):
        if s[i] == ti:
            if di == 'L':
                i -= 1
            if di == 'R':
                i += 1
            if i == LEFT_DIE:
                return LEFT_DIE
            if i == RIGHT_DIE:
                return RIGHT_DIE
    return 0

low = -1
high = N;
# LEFT
while high - low > 1:
    mid = (low + high) // 2;
    if is_dead(mid) == LEFT_DIE:
        low = mid
    else:
        high = mid
left_edge = high

low = -1
high = N;
# RIGHT
while high - low > 1:
    mid = (low + high) // 2;
    if is_dead(mid) == RIGHT_DIE:
        high = mid
    else:
        low = mid
right_edge = low

#print(left_edge, right_edge)
ans_s = s[left_edge:right_edge+1]
#print(ans_s)
ans = len(ans_s)
print(ans)
N=input()
for x in range(len(N)):
  if N[x]=="1":
    N[x]="9"
  elif N[x]=="9":
    N[x]="1"
print(N)

### FIXED CODE ###

N=list(input())
for x in range(len(N)):
  if N[x]=="1":
    N[x]="9"
  else:
    N[x]="1"
print("".join(N))
# coding: utf-8

H, W = map(int, input().split())
S = []
for i in range(H):
    S.append(list(input()))
ans = 'Yes'
endFlg = False

# '#'の点をみつけたときに、その上下左右に'#'がない場合、孤立した点を黒く塗ることはできないので、答えはNoとなる。
# 全部の'#'の点について、その上下左右のいずれかに'#'が見つかれば、答えはYesとなる。

# 4隅
if S[0][0] == '#' and S[0][1] == '.' and S[1][0] == '.':
    ans = 'No'
    endFlg = True
if S[0][W - 1] == '#' and S[0][W - 2] == '.' and S[1][W - 1] == '.':
    ans = 'No'
    endFlg = True
if S[H - 1][0] == '#' and S[H - 1][1] == '.' and S[H - 2][0] == '.':
    ans = 'No'
    endFlg = True
if S[H - 1][W - 1] == '#' and S[H - 1][W - 2] == '.' and S[H - 2][W - 1] == '.':
    ans = 'No'
    endFlg = True

# 上辺
if endFlg != True:
    for j in range(1, W-1):
        if S[0][j] == '#':
            if (S[1][j + 1] == '.' and S[0][j + 2] == '.' and S[0][j] == '.'):
                ans = 'No'
                endFlg = True

if endFlg != True:
    # 下辺
    for j in range(1, W-1):
        if S[0][j] == '#':
            if (S[H-2][j+1] == '.' and S[H-1][j + 2] == '.' and S[H-1][j] == '.'):
                ans = 'No'
                endFlg = True

if endFlg != True:
    # 左辺
    for i in range(1,H-2):
        if S[i][0] == '#':
            if (S[i+1][1] == '.' and S[i][0] == '.' and S[i+2][0] == '.'):
                ans = 'No'
                endFlg = True

if endFlg != True:
    # 右辺
    if i in range(1, H-2):
        if S[i][W-1] == '#':
            if (S[i+1][W-2] == '.' and S[i][W-1] == '.' and S[i+2][W-1] == '.'):
                ans = 'No'
                endFlg = True

# 中の領域について探索
for i in range(1, H-1):
    for j in range(1, W-1):
        if S[i][j] == '#':
            if (S[i - 1][j] == '.' and S[i][j + 1] == '.' and S[i + 1][j] == '.' and S[i][j - 1] == '.'):
                ans = 'No'
                endFlg = True
                break
    if endFlg == True:
        break

print(ans)


### FIXED CODE ###

# coding : utf-8

H, W = map(int, input().split())
S = []
for i in range(H):
    S.append(list(input()))

ans = 'Yes'
endFlg = False
# '#'の点をみつけたときに、その上下左右に'#'がない場合、孤立した点を黒く塗ることはできないので、答えはNoとなる。
# 全部の'#'の点について、その上下左右のいずれかに'#'が見つかれば、答えはYesとなる。

for i in range(H):
    for j in range(W):
        if S[i][j] == '#':
            if i != 0 and S[i-1][j] == '#':
                continue
            elif i != H-1 and S[i+1][j] == '#':
                continue
            elif j != 0 and S[i][j-1] == '#':
                continue
            elif j != W-1 and S[i][j+1] == '#':
                continue
            else :
                ans = 'No'
                endFlg = True
                break
    if endFlg:
        break

print(ans)
line1 = input()
line2 = input()
D = 0
res = 0
for i in range(int(line1[0])):
    if D <= int(line1[2]):
        res += 1
    else:
        break
    D = D + int(line2[2*i])
if D <= int(line1[2]):
    res += 1
print(res)

### FIXED CODE ###

n, x = map(int, input().split())
l = [int(i) for i in input().split()]
d = [0]
cnt = 1
while cnt != n + 1 and d[-1] <= x:
	d.append(d[-1] + l[cnt - 1])
	cnt += 1
if d[-1] <= x: 
	print(cnt)
else:
	print(cnt - 1)
n = int(input())
a = list(map(int,input().split()))
a.sort()
a = a[::-1]
i = 0
c = 0
m = list()
while i < n:
    if a[i]==a[i+1]:
        m.append(a[i])
        i += 1
        c += 1
    i += 1
    if c == 2:
        break
print(m[0]*m[1])

### FIXED CODE ###

n = int(input())
a = list(map(int,input().split()))
a.sort()
a = a[::-1]
i = 0
c = 0
m = list()
while i < n-1:
    if a[i]==a[i+1]:
        m.append(a[i])
        i += 1
        c += 1
    i += 1
    if c == 2:
        break
if c == 2:
    print(m[0]*m[1])
else:
    print(0)
import sys
sys.setrecursionlimit(10000)

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

def burger(N):
  if N == 0:
    return 'P'
  else:
    subburger = burger(N-1)
    return 'B' + subburger + 'P' + subburger + 'B'
print(burger(N)[:X].count('P'))

### FIXED CODE ###

import sys
sys.setrecursionlimit(10000)

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

ans = 0
for n in range(N,-1,-1):
  if X > (2**(n+2) - 3) / 2 :
    ans += 2**n #- 1 + 1
    X = X - (2**(n+1) - 3) - 2
  else:
    X -= 1
print(ans)
import sys
n,m=map(int,input().split())
vertex=[[int(i) for i in l.split()] for l in sys.stdin]
def generate(x):
  root=[i for i in range(1,x+1)]
  size=[0]*x
def find(x):
  if root[x]==x:
    return x
  return find(root[x])
def check(x,y):
  return find(x)==find(y)
def union(x,y):
  x=find(x)
  y=find(y)
  if size[x]>=size[y]:
    root[y]=x
  else:
    root[x]=y
  if size[x]==size[y]:
    size[x]+=1
ans=0
for i in range(m):
  generate(n)
  for j in range(m):
    if j!=i:
      if check(vertex[j][0],vertex[j][1]):
        pass
      else:
        union(vertex[j][0],vertex[j][1])
  for j in range(n-1):
    if check(j,j+1)==0:
      pass
    else:
      ans+=1
      break
print(ans)

### FIXED CODE ###

import sys
n,m=map(int,input().split())
vertex=[[int(i) for i in l.split()] for l in sys.stdin]
def find(x):
  if root[x]==x:
    return x
  root[x]=find(root[x])
  return root[x]
def check(x,y):
  return find(x)==find(y)
def union(x,y):
  x=find(x)
  y=find(y)
  if size[x]>=size[y]:
    root[y]=x
  else:
    root[x]=y
  if size[x]==size[y]:
    size[x]+=1
ans=0
for i in range(m):
  root=[i for i in range(n+1)]
  size=[0]*(n+1)
  for j in range(m):
    if j!=i:
      if check(vertex[j][0],vertex[j][1]):
        pass
      else:
        union(vertex[j][0],vertex[j][1])
  for j in range(1,n):
    if check(j,j+1)==True:
      pass
    else:
      ans+=1
      break
print(ans)
n=input()
a=n[-2]+n[-1]
if a=="00":
  c=0
else:
  c=int(a)
b=int(n)//100
if b*5<c:
    print(0)
else:
    print(1)

### FIXED CODE ###

n=input()
if len(n)==1:
  a=10
else:
  a=n[-2]+n[-1]
if a=="00":
  c=0
else:
  c=int(a)
b=int(n)//100
if b*5<c:
    print(0)
else:
    print(1)
a


### FIXED CODE ###

import itertools

A = int(input())
B = int(input())
C = int(input())
D = int(input())
E = int(input())



dish = [A,B,C,D,E]

combination = list(itertools.permutations(dish))

ans = []
count = 0

for i in combination:
    time = 0
    for j in i:
        if count != 4:
            time = time + j
            if time % 10 != 0:
                while time % 10 != 0:
                    time = time + 1
            count = count+1
        elif count == 4:
            time = time + j
            count = 0
            ans.append(time)

print(min(ans))
import numpy as np

MOD = 10**9+7

D,T,E = input().split()
n= int(D)

arr = np.zeros((n+1,n+1),dtype=np.int16)
for i in range(3,n+1):
    arr[0,i] = 1

for i in range(1,n+1):
    sum_ = 0
    if 3*i > n+1: 
        break
    for j in range(3*i,n+1):
        sum_ += arr[i-1,j]
        sum_ %= MOD
        if j+3 >= n + 1:
            break
        arr[i,j+3] = sum_

ans = 0
for i in range(n+1):
    ans += arr[i,n]
    ans %= MOD
print(ans)










### FIXED CODE ###

D,T,S = [int(i) for i in input().split()]
out = 'Yes' if D <= T * S else 'No'
print(out)
x, y =  map(int, raw_input().split())

if x < y:
    print(x)
else:
    print(x * (y-1) )


### FIXED CODE ###

x, y =  map(int, input().split())
i = 1
if x % y == 0:
    print(-1)
else:
    for i in range(10 ** 18 + 1):
        if (i * x) % y != 0:
            print(i * x)
            break
        else:
            continue
def clr(x):
    for y in G[x]:
        if hist[y]==0:
            hist[y]=1
            A.append(y)
            clr(y)
N,M = map(int,input().split())
G = {}
for _ in range(M):
    x,y,_ = map(int,input().split())
    if x not in G:
        G[x] = []
    G[x].append(y)
    if y not in G:
        G[y] = []
    G[y].append(x)
cnt = N-len(G)
hist = [0 for i in range(N+1)]
LG = {i:0 for i in list(G.keys())}
while LG:
    s = LG.popitem()[0]
    hist[s]=1
    A = []
    clr(s)
    for x in A:
        del LG[x]
    cnt += 1
print(cnt)    

### FIXED CODE ###

def rt(i):
    while i!=G[i][0]:
        i = G[i][0]
    return i
N,M = map(int,input().split())
G = {i:[i,1] for i in range(1,N+1)}
for _ in range(M):
    X,Y,Z = map(int,input().split())
    rx = rt(X)
    ry = rt(Y)
    if rx!=ry:
        if G[rx][1]>=G[ry][1]:
            G[ry][0] = rx
            G[rx][1] += G[ry][1]
        else:
            G[rx][0] = ry
            G[ry][1] += G[rx][1]
cnt = 0
A = []
for i in range(1,N+1):
    A.append(rt(i))
A = list(set(A))
print(len(A))
def f(n,d):
    t=[f(i,d+1)+1 for i in l[n][1]]
    h=0 if t==[] else max(t)
    c[n][3:3]=[len(l[n][1]),d,h,"root" if d<1 else "leaf" if h<1 else "internal node"]
    return h
m=input()
c=[0]*m
l=sorted([map(int,raw_input().split()) for _ in range(m)])
for i in l:
    n,a,b=i
    if a>0:c[a]=[a,n,b]
    if b>0:c[b]=[b,n,a]
    i[1:]=[[j for j in i[1:] if j>=0]]
n=c.index(0)
c[n]=[n,-1,-1]
f(n,0)
for i in c:print "node {0}: parent = {1}, sibling = {2}, degree = {3}, depth = {4}, height = {5}, {6}".format(*i)

### FIXED CODE ###

def f(n,d):
    t=[f(i,d+1)+1 for i in l[n][1]]
    h=0 if t==[] else max(t)
    c[n][3:3]=[len(l[n][1]),d,h,"root" if d<1 else "leaf" if h<1 else "internal node"]
    return h
m=input()
c=[0]*m
l=sorted([map(int,raw_input().split()) for _ in range(m)])
for i in l:
    n,a,b=i
    if a>=0:c[a]=[a,n,b]
    if b>=0:c[b]=[b,n,a]
    i[1:]=[[j for j in i[1:] if j>=0]]
n=c.index(0)
c[n]=[n,-1,-1]
f(n,0)
for i in c:print "node {0}: parent = {1}, sibling = {2}, degree = {3}, depth = {4}, height = {5}, {6}".format(*i)
n=int(input())
m=int(input())
if n==m:
  print("Yes")
else:
  print("No")


### FIXED CODE ###

arr=list(map(int,input().split()))
n=arr[0]
m=arr[1]
if n==m:
  print("Yes")
else:
  print("No")
N = int(input())
nums = map(int, input().split())

ans = 1
for n in nums:
  ans *= n

if ans == 0:
  print(0)
elif ans > 10**18:
  print(-1)
else:
  print(ans)

### FIXED CODE ###

a, b = map(int, input().split())
print(a * b)
n=int(input())
x=[0]*n
l=[0]*n
for i in range(n):
    x[i],l[i]=list(map(int,input().split()))

a=[0]*n
b=[0]*n

for i in range(n):
    a[i],b[i]=x[i]-l[i],x[i]+l[i]
    
cnt=0    
while(b):
    bm=min(b)
    a.pop(b.index(min(b)))
    b.pop(b.index(min(b)))
    cnt+=1
    for j in range(len(a)):
        if a[j]<bm:
            a.pop(j)
            b.pop(j)

print(cnt)

### FIXED CODE ###

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

a=[0]*n
b=[0]*n


for i in range(n):
    a[i],b[i]=x[i]-l[i],x[i]+l[i]


c=[[0]*2  for i in range(n)]


for j in range(n):
    c[j][0]=b[j]
    c[j][1]=a[j]


c.sort()


ans=0
z=c[0][1]
for i in range(n):
    if c[i][1]>=z:
        ans+=1
        z=c[i][0]

print(ans)
def walking():
    x, k, d = map(int, input().split())
    r = 0
    if x > 0 and x > k * d:
        return x - k * d
    elif x < 0 and x < -k * d:
        return x + k * d
    elif x > 0 and x < k * d:
        r = x//d
        if (k - r)%2 == 0:
            return x - r * d
        else:
            return x - (r + 1 ) * d
    else x < 0 and x < -1 * k * d:
        r = x//d
        if (k + r)%2 == 0:
            return x - r * d
        else:
            return x - (r + 1 ) * d        
    
loc = walking()
print(abs(loc))

### FIXED CODE ###


def walking():
    x, k, d = map(int, input().split())
    x = abs(x)
    r = 0
    if x > k * d:
        return x - k * d
    else:
        r = x//d
        if (k - r)%2 == 0:
            return x - r * d
        else:
            return abs(x - (r + 1 ) * d)
    
loc = walking()
print(loc)
q={22:"Christmas Eve Eve Eve",23:"Christmas Eve Eve",24:"Christmas Eve",25:"Christmas"}
print(q[int(input())]

### FIXED CODE ###

q={22:"Christmas Eve Eve Eve",23:"Christmas Eve Eve",24:"Christmas Eve",25:"Christmas"}
print(q[int(input())])
a,b,c,d=map(int, input(),split())

x=a if abs(a)>abs(b) else b
y=c if abs(c)>abs(d) else d

if ( (x>0 and y>0) or (x<0 and y<0) ):
  print (x*y)
else :
  x=a if abs(a)<abs(b) else b
  y=c if abs(c)<abs(d) else d
  print (x*y)

### FIXED CODE ###

nums=list(map(int, input().split()))
ans=[]
for i in range(2):
  ans.append(nums[i]*nums[2])
  ans.append(nums[i]*nums[3])
print (max(ans))
N = int(input())
A = [int(x) for x in input().split()]
B = [int(x) for x in input().split()]

suma = sumb = num
for i in range(N):
    suma += A[i]
    sumb += B[i]
    if A[i] < B[i]:
        num += (B[i] - A[i]) // 2

if A == B:
    print("Yes")
else:
    if suma >= sumb:
        print("No")
    else:
        if num > sumb - suma:
            print("No")
        else:
            print("Yes")


### FIXED CODE ###

from math import ceil

N = int(input())
A = [int(x) for x in input().split()]
B = [int(x) for x in input().split()]

suma = sumb = num = 0
for i in range(N):
    suma += A[i]
    sumb += B[i]
    if A[i] < B[i]:
        num += ceil((B[i] - A[i]) / 2)

if A == B:
    print("Yes")
else:
    if suma >= sumb:
        print("No")
    else:
        if num > sumb - suma:
            print("No")
        else:
            print("Yes")