Harryxun/stf_run huggingface dataset:
@profile
def main():
    from numpy import cumsum
    n, m, k = list(map(int, input().split()))
    A = list(map(int, input().split()))
    B = list(map(int, input().split()))

    A = cumsum([0] + A)
    B = cumsum([0] + B)
    n_read = 0
    b_tail = B[-1]
    for i, a in enumerate(A):
        if a > k:
            break
        j = m
        if b_tail + a > k:
            for j, b in enumerate(B):
                if a + b > k:
                    break
        n_read = max(n_read, i + j)
    print(n_read)
main()


### FIXED CODE ###

from numpy import cumsum
n, m, k = list(map(int, input().split()))
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = cumsum([0] + A)
B = cumsum([0] + B)
n_read = 0
l = len(B) - 1
for i, a in enumerate(A):
    if a > k:
        break
    for j, b in enumerate(B[l::-1]):
        if a + b <= k:
            l -= j
            n_read = max(n_read, i + l)
            break
print(n_read)
S = input()
ot = S[:2]
tf = S[2:]

isotMM = 0
istfMM = 0

if 0 < int(ot) and int(ot) < 13:
    isotMM = 1
if 0 < int(tf) and int(tf) < 13:
    istfMM = 1
    
if isotMM == 1:
    if istfMM == 1:
        print('AMBIGUOUS')
    else:
        print('MMYY')
else:
    if istfMM == 1:
        print('YYMM')
    else:
        print(NA)

### FIXED CODE ###

S = input()
ot = S[:2]
tf = S[2:]

isotMM = 0
istfMM = 0

if 0 < int(ot) and int(ot) < 13:
    isotMM = 1
if 0 < int(tf) and int(tf) < 13:
    istfMM = 1
    
if isotMM == 1:
    if istfMM == 1:
        print('AMBIGUOUS')
    else:
        print('MMYY')
else:
    if istfMM == 1:
        print('YYMM')
    else:
        print("NA")
(int(i) for i in input().split())  
if a<= 13:
  sum = b
elif 6<= a <= 12:
  sum = b/2
elif 5>=a:
  sum = 0
print(sum)
 

### FIXED CODE ###

a,b = (int(i) for i in input().split())  
sum = b
if 13<= a:
  sum = b
if 6<= a <= 12:
  sum = b/2
if 5>=a:
  sum = 0
print(int(sum))
n,m = map(int, input().split())
sc= [map(int, input().split()) for _ in range(m)]
s, c = [list(i) for i in zip(*sc)]

ans = 10001
for i in range(m):
    if s[i]==0:
        print(0)
for l in range((10**(n-1)),10**n):
    ln = str(l)


    tmp = 0
    for j in range(m):
        if int(ln[int(s[j])-1]) == int(c[j]):
            tmp += 1
            # print(tmp)
            if tmp == m:
                ans = int(ln)
                print(ans)
                break

        else:
            # print(tmp)
            break
    if ans != 10001:
        break

if ans == 10001:
    print(-1)


### FIXED CODE ###

# n,m = map(int, input().split())
# sc = [map(int, input().split()) for _ in range(m)]
# s, c = [list(i) for i in zip(*sc)]
#
#
#
# for i in range(10**n):
#     ans = str(i)
#     if len(i) == n and all([i[s[j]-1] == str(c[j]) for j in range(m)]):
#         print(ans)
#         exit()
#
#
# print(-1)

n, m = map(int, input().split())

s, c = [], []
for _ in range(m):
    s_, c_ = map(int, input().split())
    s.append(s_)
    c.append(c_)

for i in range(10 ** n):
    ans = str(i)
    if len(ans) == n and all([ans[s[j] - 1] == str(c[j]) for j in range(m)]):
        print(ans)
        exit()

print(-1)
jhj = input()
moji = list(input())
k = int(input())
o = moji[k]
for c in range(jhj):
    if moji[c] == o:
        pass
    else:
        moji[c] = "*"
print(join(moji))

### FIXED CODE ###

jhj = int(input())
moji = list(input())
k = int(input())
o = moji[k - 1]
for c in range(jhj):
    if moji[c] == o:
        pass
    else:
        moji[c] = "*"
print("".join(moji))
import sys

args = sys.argv

max_num = args[1]
kernel = args[2]

print(max_num - kernel + 1)

### FIXED CODE ###

n = input().split()

max_num = int(n[0])
kernel = int(n[1])

print(max_num - kernel + 1)
print(*sorted.map(int, input().split()))


### FIXED CODE ###

#print(*sorted(map(int, input().split())))

print(*sorted(map(int, input().split())))
import numpy as np
import numba
from numba import njit, b1, i4, i8, f8
@njit((i8[:],i8[:],i8[:],i8[:]), cache=True)
def main(lis_h,lis_w,bomb_h,bomb_w):
  bomb = {}
  for h,w in zip(bomb_h,bomb_w):
    bomb[(h,w)] = 1
  max_h = np.where(lis_h==lis_h.max())
  max_w = np.where(lis_w==lis_w.max())
  ans = lis_h.max()+lis_w.max()
  for h in max_h:
    for w in max_w:
      if (h,w) not in bomb:
        return ans
  return ans-1

H, W, M = map(int, input().split())
bombh = np.zeros(M, np.int64)
bombw = np.zeros(M, np.int64)
lis_h = np.zeros(H, np.int64)
lis_w = np.zeros(W, np.int64)
for i in range(M):
    h,w = map(int, input().split())
    h -= 1
    w -= 1
    bombh[i], bombw[i] = h,w
    lis_h[h] += 1
    lis_w[w] += 1
print(main(lis_h,lis_w,bombh,bombw))


### FIXED CODE ###

from collections import defaultdict
def solve():
  H, W, M = map(int, input().split())
  bomb = defaultdict(lambda: 0)
  lis_h = [0]*H
  lis_w = [0]*W
  for _ in range(M):
    h,w = map(int, input().split())
    h -= 1
    w -= 1
    bomb[(h,w)] = 1
    lis_h[h] += 1
    lis_w[w] += 1
  m_h = max(lis_h)
  m_w = max(lis_w)
  m_h_lis = []
  m_w_lis = []
  for i in range(H):
    if lis_h[i]==m_h:
      m_h_lis.append(i)
  for i in range(W):
    if lis_w[i]==m_w:
      m_w_lis.append(i)
  ans = 0
  for h in m_h_lis:
    for w in m_w_lis:
      if bomb[(h,w)]==0:
        return m_h+m_w
  return m_h+m_w-1
print(solve())
n,c=map(int,input().split())
lists=[[] for i in range(31)]
for i in range(n):
    s,t,c=map(int,input().split())
    lists[c].append((s,t))
for i in range(31):
    lists[c]=sorted(lists[c],key=lambda x:x[0])

for i in range(1,31):
    if len(lists[i])>=2:
        sublists=[]
        start=lists[i][0][0]
        end=lists[i][0][1]
        for j in range(1,len(lists[i])):
                if end==lists[i][j][0]:
                    start=start
                    end=lists[i][j][1]

                elif end!=lists[j][0]:
                    sublists.append((start,end))
                    start=lists[i][j][0]
                    end=lists[i][j][1]
                if j==len(lists[i])-1:
                    sublists.append((start,end))

        lists[i]=sublists
    else:
        pass

startlists={i:0 for i in range(101)}
endlists={i:0 for i in range(101)}

for i in range(31):
    if len(lists[i])>=1:
        for some in lists[i]:
            startlists[some[0]-1]+=1
            endlists[some[1]]+=1
for i in range(1,101):
  startlists[i]+=startlists[i-1]
  endlists[i]+=endlists[i-1]


maxi=0
for i in range(101):
  maxi=max(maxi,startlists[i]-endlists[i])
print(maxi)

### FIXED CODE ###


N, C = map(int, input().split())
stc = [list(map(int, input().split())) for _ in range(N)]
 
record = [[0] * 10 ** 5 for _ in range(C)]
for s, t, c in stc:
    for i in range(s, t + 1):
        record[c-1][i-1] = 1
 
ans = 0
for i in range(10 ** 5):
    cnt = 0
    for j in range(C):
        cnt += record[j][i]
    ans = max(ans, cnt)
 
print(ans)
N, A, B = map(int, input().split())
p = N//(A + B) + 1

balls = ("b"*A + "r"*B)*p
print(len(balls[0:N].replace("r","")))


### FIXED CODE ###

N, A, B = map(int, input().split())

a = N//(A + B)
b = N%(A + B)

if A <= b:
  print(a*A + A)
else:
  print(a*A + b)
from collections import Counter
# タプルの辞書
N = int(input())
XY = [list(map(int, input().split())) for _ in range(N)]
XY.sort()
diff = []
for i in range(N):
    xi, yi = XY[i]
    for j in range(i+1, N):
        xj, yj = XY[j]
        diff.append((xj-xi, yj-yi))
c = Counter(diff)
print(N-max(c.values()))

### FIXED CODE ###

from collections import Counter

N = int(input())
XY = [list(map(int, input().split())) for _ in range(N)]
XY.sort()
diff = []
for i in range(N):
    xi, yi = XY[i]
    for j in range(i+1, N):
        xj, yj = XY[j]
        diff.append((xj-xi, yj-yi))
c = Counter(diff)
print(N-max(c.values()) if c else N)
N, M = [int(i) for i in input().split()]
edges = {j : [] for j in range(N + 1)}
for i in range(M):
    x, y = [int(i) for i in input().split()]
    x -= 1
    y -= 1
    edges[x].append(y)
for i in range(N):
    edges[N].append(i)

memo_ls = [None for i in range(N + 1)]


def dfs(last):
    if memo_ls[last] is not None:
        return memo_ls[last]
    if len(edges[last]) == 0:
        return 0
    cnt = max([dfs(_next) + 1 for _next in edges[last]])
    memo_ls[last] = cnt
    return cnt


print(dfs(N) - 1)

### FIXED CODE ###

import sys
sys.setrecursionlimit(10**7)
N, M = [int(i) for i in input().split()]
edges = {j : [] for j in range(N + 1)}
for j in range(M):
    x, y = [int(i) for i in input().split()]
    x -= 1
    y -= 1
    edges[x].append(y)
for i in range(N):
    edges[N].append(i)

memo_ls = [None for i in range(N + 1)]


def dfs(last):
    if memo_ls[last] is not None:
        return memo_ls[last]
    if len(edges[last]) == 0:
        return 0
    cnt = max([dfs(_next) + 1 for _next in edges[last]])
    memo_ls[last] = cnt
    return cnt


print(dfs(N) - 1)
from math import floor

def dostuff():
    a, b = (int(x) for x in input().split(' '))

    x = b * 10
    # print(x)
    i = x
    for i in range(x, x + 10):
        if floor(i * 0.08) == a:
            print(i)
            return
    print(-1)

dostuff()

### FIXED CODE ###

n = input()

if n == "AAA" or n == "BBB":
  print("No")
else:
  print("Yes")
s = input()
a = s.split()
count = 0
j = len(s)
for i in range(j):
  if i<=j:
  	if a[i] != a[j-i-1]:
    	count += 1 
print(count)

### FIXED CODE ###

s = input()
n = len(s)
count = 0
for i in range(n//2):
  if s[i] != s[n - 1 - i]:
    count += 1 
print(count)
n=int(input())
X=[]
Y=[]
A=[]
for i in range(n):
  A=int(input())
  x=[]
  y=[]
  for j in range(A[i]):
    x,y=[int(s) for s in input().split()]
  #X.append(x)
  #Y.append(y)
  
c=0
#for i in range(n):
 # l=[1]*n
  #for j in range(i, n-i):
   # if l[j]==0:continue
    #for k in range(A[j]):
   # 　　l[X[j][k]] *= Y[j][k]
#if c<l.count(1):
 # c=l.count(1) 
  
        
  
print(c)  
   

### FIXED CODE ###

n=int(input())
X=[]
Y=[]
A=[0]*n
for i in range(n):
  A[i]=int(input())
  a=A[i]
  x=[0]*a
  y=[0]*a
  for j in range(a):
    x[j],y[j]=[int(s) for s in input().split()]
  X.append(x)
  Y.append(y)
  
s=0
for i in range(2**n):
  c=0
  d=0
  B=[0]*n
  for j in range(n):
    if((i >> j) & 1):
      c=c+1
      B[j]=1
  for k in range(n):
    if B[k]==1:
      for j in range(A[k]):
        if Y[k][j]!=B[X[k][j]-1]:
          d=-1
          break
    if d<0:
      break
  if s<c and d==0:
    s=c
      
      
print(s)
from math import gcd

a, b = 1, 1
for _ in range(int(input())):
  x, y = map(int, input().split())
  k = int(max((a + x - 1) // x, (b + y - 1) // y))
  a = x * k
  b = y * k
print(a + b)


### FIXED CODE ###

a, b = 1, 1
for _ in range(int(input())):
  x, y = map(int, input().split())
  k = max((a + x - 1) // x, (b + y - 1) // y)
  a = x * k
  b = y * k
print(a + b)
import bisect

def snuke_festival(N,arr):
    n_pair = 0
    for item in arr[1]:
        up_pair = bisect.bisect(arr[0],item)
        dowm_pair = bisect.bisect_right(arr[2],item)
        n_pair += up_pair*down_pair
    return n_pair


if __name__ == "__main__":
    N  =int(input())
    arr = []
    for i in range(3):
        arr.append(list(map(int,input().split())))
    arr_sorted = []
    for j in range(3):
        arr_sorted.append(arr[j].sort())
    print(snuke_festival(N,arr))

### FIXED CODE ###

import bisect

def snuke_festival(N,arr):
    n_pair = 0
    for item in arr[1]:
        up_pair = bisect.bisect_left(arr[0],item)
        down_pair = bisect.bisect_right(arr[2],item)
        n_pair += up_pair*(N-down_pair)
    return n_pair


if __name__ == "__main__":
    N  =int(input())
    arr = []
    for i in range(3):
        arr.append(list(map(int,input().split())))
    arr_sorted = []
    for j in range(3):
        arr_sorted.append(arr[j].sort())
    print(snuke_festival(N,arr))
def solve():
    S= input()
    ue = int(S[:2])
    sita = int(S[2:])

    if 1 <= sita <= 12 and not(1 <= ue <= 12):
        print("YYMM")
    elif (not (1 <= ue <= 12)) and 1 <= sita <= 12:
        print("MMYY")
    elif (not (1 <= ue <= 12)) and (not (1 <= sita <= 12)):
        print("NA")
    elif 1 <= sita <= 12 and (1 <= ue <= 12):
        print("AMBIGUOUS")
    else:
        raise "ERROR"
if __name__ == "__main__":
    solve()

### FIXED CODE ###

def solve():
    S= input()
    ue = int(S[:2])
    sita = int(S[2:])

    ueok = 1 <= ue <= 12
    sitaok = 1 <= sita <= 12
    if ueok and sitaok:
        print("AMBIGUOUS")
    elif not ueok and sitaok:
        print("YYMM")
    elif ueok and not sitaok:
        print("MMYY")
    else:
        print("NA")

if __name__ == "__main__":
    solve()
N=int(input())
A=list(map(int, input().rstrip().split()))
B=list(A[i]-i for i in range(N))
C=B.sort()
work=C[N//2]
testA=sum(abs(B[i]-work) for i in range(N))
testB=sum(abs(B[i]-work-1) for i in range(N))
testC=sum(abs(B[i]-work+1) for i in range(N))
output=min(testA,testB,testC)
print(output)

### FIXED CODE ###

N=int(input())
A=list(map(int, input().rstrip().split()))
B=list(A[i]-i for i in range(N))
C=list(A[i]-i for i in range(N))
C.sort()
work=C[N//2]
testA=sum(abs(B[i]-work) for i in range(N))
testB=sum(abs(B[i]-work-1) for i in range(N))
testC=sum(abs(B[i]-work+1) for i in range(N))
output=min(testA,testB,testC)
print(output)
num,time = map(int, raw_input().split())
t = raw_input().split()
ans = 0
for i in t:
	if i<time:
		ans += i
	else:
	ans += time
ans += time
ans -= t[len(t)]
print ans

### FIXED CODE ###

num,time = map(int, raw_input().split())
t = raw_input().split()
ans = time
for i in range(0,num-1):
	if int(t[i+1])-int(t[i]) < time:
		ans += int(t[i+1])-int(t[i])
	else:
		ans += time
print ans
S = input()
s = 0
for i in range(len(S)):
  c = S[i]
  s = i if c == "A" and s == 0
  if c == "Z":
    print(S[s:i+1])
    break

### FIXED CODE ###

S = input()
L = len(S)
for i in range(L):
  c = S[i]
  if c == "A":
    s = i
    break
for i in range(L):
  c = S[-(i+1)]
  if c == "Z":
    e = L - (i+1)
    break
print(e-s+1)
N = int(input())

total = 0
for i in range(N):
    a,b = map(str,raw_input().split())
    if b == 'JPY':
        total += float(a)
    elif b == 'BTC':
        total += float(a)*380000

print(total)

### FIXED CODE ###

N = int(input())

total = 0
for i in range(N):
    a,b = map(str,input().split())
    if b == 'JPY':
        total += float(a)
    elif b == 'BTC':
        total += float(a)*380000

print(total)
int i = 1
while true:
 x = int(input())
 if(x == 0):
  break
 print('case {0}: {1}'.format(i,x))
 i = i+1


### FIXED CODE ###

i = 1
while True:
 x = int(input())
 if x == 0:
  break
 print('Case %d: %d' % (i,x))
 i +=1
import sys
T1, T2, A1, A2, B1, B2 = map(int, sys.stdin.read().split())
a1, b1 = T1*A1, T1*B1
a2, b2 = T2*A2, T2*B2
sa, sb = a1+a2, b1+b2
if sa==sb:
    print("infinity")
    exit()
if sa < sb:
    a1, a2, b1, b2, sa, ab = b1, b2, a1, a2, sb, sa

# 2*n-1 回以上出会うか
ok = 0
ng = 10**1800
a = 0
while ok+1 < ng:
    c = (ok+ng)//2
    if (c-1)*sa+a1 <= (c-1)*sb+b1:
        if (c - 1) * sa + a1 == (c - 1) * sb + b1:
            a = 1
        ok = c
    else:
        ng = c
if ok > 10**1799:
    assert False
    print("infinity")
else:
    print(max(ok*2-1+a, 0))


### FIXED CODE ###

import sys
T1, T2, A1, A2, B1, B2 = map(int, sys.stdin.read().split())
a1, b1 = T1*A1, T1*B1
a2, b2 = T2*A2, T2*B2
sa, sb = a1+a2, b1+b2
if sa==sb:
    print("infinity")
    exit()
if sa < sb:
    a1, a2, b1, b2, sa, sb = b1, b2, a1, a2, sb, sa
# 2*n-1 回以上出会うか
ok = 0
ng = 10**1800
a = 0
while ok+1 < ng:
    c = (ok+ng)//2
    if (c-1)*sa+a1 <= (c-1)*sb+b1:
        if (c - 1) * sa + a1 == (c - 1) * sb + b1:
            a = -1
        ok = c
    else:
        ng = c
if ok > 10**1799:
    print("a")
    print("infinity")
else:
    print(max(ok*2-1+a, 0))
L,R = map(int, input().split())

#if R-L > 2019:
#  print (0)
#else:
#  mod1 = L%2019
#  mod2 = R%2019
#  if mod2 < mod1:
#    print (0)
#    sys.exit()
#  else:
  modmin =2019 -1
  for i in range(L,R):
    for j in range(i+1,R+1):
      mod3 = (i*j)%2019
      if mod3 =0:
        print(0)
        sys.exit()
      elif modmin > mod3:
        modmin = mod3

  print(modmin)
  

### FIXED CODE ###

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

#if R-L > 2019:
#  print (0)
#else:
#  mod1 = L%2019
#  mod2 = R%2019
#  if mod2 < mod1:
#    print (0)
#    sys.exit()
#  else:
modmin =2019 -1
for i in range(L,R):
  for j in range(i+1,R+1):
    mod3 = (i*j)%2019
    if mod3 == 0:
      print(0)
      sys.exit()
    elif modmin > mod3:
      modmin = mod3

print(modmin)
import numpy as np
n,m=map(int,input().split())
a=list(map(int,input().split()))
b=[0]*m
c=[0]*m
for i in range(m):
    b[i],c[i]=map(int,input().split())
xc=np.argsort(c)
a.sort()
for i in range(m-1,-1,0):
    for j in range(b[xc[i]]):
        a[j]=max(a[j],c[xc[i]])
    a.sort()
print(sum(a))

### FIXED CODE ###

import numpy as np
n,m=map(int,input().split())
a=list(map(int,input().split()))
b=[0]*m
c=[0]*m
for i in range(m):
    b[i],c[i]=map(int,input().split())
xc=np.argsort(c)
a.sort()
co=0
f=0
for i in range(m-1,-1,-1):
    for j in range(b[xc[i]]):
        a[co]=max(a[co],c[xc[i]])
        if a[co]>c[xc[i]]:
            f=1
            break                
        co+=1
        if co>=n:
            f=1 
            break
    if f==1:
        break
print(sum(a))
#!/usr/bin/env python
# ---------------------------------------------------------------------------------------!
import os
import sys
from io import BytesIO, IOBase
# from bisect import bisect_left as bl                #c++ lowerbound bl(array,element)
# from bisect import bisect_right as br               #c++ upperbound br(array,element)


# ---------------------------------------MAIN()-----------------------------------------------!
def main():
    sys.stdin = open('input.txt', 'r')
    sys.stdout = open('output.txt', 'w')
    n, k = map(int, input().split(" "))
    l = list(map(int, input().split(" ")))
    l.sort()
    s=0
    for i in range(k):
        s+=l[i]
    print(s)


# -----------------------------------------------------------------------------------------!
# region fastio
BUFSIZE = 8192


class FastIO(IOBase):
    newlines = 0

    def _init_(self, file):
        self._fd = file.fileno()
        self.buffer = BytesIO()
        self.writable = "x" in file.mode or "r" not in file.mode
        self.write = self.buffer.write if self.writable else None

    def read(self):
        while True:
            b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
            if not b:
                break
            ptr = self.buffer.tell()
            self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
        self.newlines = 0
        return self.buffer.read()

    def readline(self):
        while self.newlines == 0:
            b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
            self.newlines = b.count(b"\n") + (not b)
            ptr = self.buffer.tell()
            self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
        self.newlines -= 1
        return self.buffer.readline()

    def flush(self):
        if self.writable:
            os.write(self._fd, self.buffer.getvalue())
            self.buffer.truncate(0), self.buffer.seek(0)


class IOWrapper(IOBase):
    def _init_(self, file):
        self.buffer = FastIO(file)
        self.flush = self.buffer.flush
        self.writable = self.buffer.writable
        self.write = lambda s: self.buffer.write(s.encode("ascii"))
        self.read = lambda: self.buffer.read().decode("ascii")
        self.readline = lambda: self.buffer.readline().decode("ascii")


sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout)
def input(): return sys.stdin.readline().rstrip("\r\n")

# endregion


if __name__ == "__main__":
    main()


### FIXED CODE ###



# ---------------------------------------MAIN()-----------------------------------------------!
n, k = map(int, input().split(" "))
l = list(map(int, input().split(" ")))
l.sort()
s=0
for i in range(k):
  s+=l[i]
print(s)


# -----------------------------------------------------------------------------------------!
N, K = map(int, input().split(' '))
A = list(map(int, input().split(' ')))

A_itta = [None] * N
# A_cycle = '1'

A_stayed = []
# A_stayed.append(1)

i = 0
while True:
    # 行ったことある
    if A_itta[i]:
        break

    # 訪問済みフラグ
    A_itta[i] = 1

    # 訪問順リスト
    A_stayed.append(i + 1)

    # 次の町のidx
    i = A[i] - 1

# print('ループするまでにいった町', A_stayed)

# 最初の町からループする場合
if i == 0:
    cycle = A_stayed
else:
    cycle = A_stayed[i+1:]
    K -= i+1

ans = cycle[K % len(cycle)]

# print('i', i)
# print('loop=', cycle)
print(ans)


### FIXED CODE ###

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

visited = [False for _ in range(N)]
now = 0

cycle = []

while True:
    cycle.append(now)
    visited[now] = True
    now = A[now] - 1

    if visited[now]:
        break

total_len = len(cycle)

cycle_start = 0

for i in range(total_len):
    if cycle[i] == now:
        cycle_start = i
        break

cycle_len = total_len - cycle_start

if K < cycle_start:
    print(cycle[K] + 1)
else:
    print(cycle[cycle_start + (K - cycle_start) % cycle_len] + 1)
a,b=input().split('\n')

### FIXED CODE ###

n = int(input())
s = input()
if n % 2:
    print("No")
    exit()
half = s[0:n // 2]
print("Yes" if s == half + half else "No")
#151c
n,w=map(int,input().split())
ac=0
wa=0
wa_cnt=0
ac_flg=[0]*n
for i in range(w):
	p,s=input().split()
	p=int(p)-1
	if ac_flg[p]==1:
		continue
	else:
		if s=='AC':
			ac_flg[p]=1
			ac+=1
			wa[p]+=wa_cnt
			wa_cnt=0
		else:
			wa_cnt+=1

wa_ans=0
for i in (n):
	wa_ans+=wa[i]
print(ac,wa)

### FIXED CODE ###

#151c
n,w=map(int,input().split())
ac=0
wa=[0]*n
wa_cnt=[0]*n
ac_flg=[0]*n
for i in range(w):
	p,s=input().split()
	p=int(p)-1
	if ac_flg[p]==1:
		continue
	else:
		if s=='AC':
			ac_flg[p]=1
			ac+=1
			wa[p] =wa_cnt[p]
			#wa_cnt=0
		else:
			wa_cnt[p]+=1

wa_ans=0
for i in range(n):
	wa_ans+=wa[i]

print(ac,wa_ans)
N, K = map(int, input().split())
for i in range(K):
  D = list(int(input()))
  A = list(map(int, input().split()))
list = set(A)
print(len(A) - len(list))

### FIXED CODE ###

def resolve():
    N, K = map(int, input().split())
    A = []
    for i in range(K):
        d = int(input())
        a = list(map(int, input().split()))
        A.extend(a)
    print(N - len(set(A)))
resolve()
n = int(input())
h = list(map(int,input().split()))
dp_ = [-1]*n

def dp(i):
    if dp_[i]!=-1:
        return dp_[i]
    if i == 0:
        dp_[i] = 0
    elif i == 1:
        dp_[i] = abs(h[1]-h[0])
    else:
        dp_[i] = min(dp(i-2)+abs(h[i]-h[i-2]),dp(i-1)+abs(h[i]-h[i-1]))
    return dp_[i]

print(dp(n-1))
print(dp(n-1))

### FIXED CODE ###

import sys
sys.setrecursionlimit(100000) 

n = int(input())
h = list(map(int,input().split()))
dp_ = [-1]*n

def dp(i):
    if dp_[i]!=-1:
        return dp_[i]
    if i == 0:
        dp_[i] = 0
    elif i == 1:
        dp_[i] = abs(h[1]-h[0])
    else:
        dp_[i] = min(dp(i-2)+abs(h[i]-h[i-2]),dp(i-1)+abs(h[i]-h[i-1]))
    return dp_[i]

print(dp(n-1))
N = int(input())
B = list(map(int, input().split(" ")))

sum = 0

for ib, value in enumerate(B):
    if ib > 0:
        if value >= B[ib-1]:
            sum += B[ib-1]
        else:
            sum += value
    else:
        sum += value

sum += B[len(B) - 1]
print(sum)


### FIXED CODE ###

t = int(input())
print(t**3)
import bisect

N=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
c=list(map(int,input().split()))
a.sort()
c.sort()
count=0

for j in b:
   x=bisect.bisect_left(a,j)
   y=bisect.bisect_right(c,j)
   ans+=x*(N-l)
print(count)

### FIXED CODE ###

import bisect

N=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
c=list(map(int,input().split()))
a.sort()
c.sort()
count=0

for j in b:
   x=bisect.bisect_left(a,j)
   y=bisect.bisect_right(c,j)
   count+=x*(N-y)
print(count)
a, b= [int(input()) for _ in range(2)]
import math
c=math.sqrt(a*(10**len(str(b)))+b)
if int(c) == c:
    print('Yes')
else:
    print('No')

### FIXED CODE ###

from math import sqrt
a, b = input().split()
n = int(a+b)
if(int(sqrt(n))**2 == n):
    print("Yes")
else:
    print("No")