Harryxun/stf_run huggingface dataset:
from math import log2
from bisect import bisect_left


def getComp(n):
    return (1 << (1 + int(log2(n)))) - n


N = int(input())
A = [int(s) for s in input().split()]
A.sort()
avail = [True for _ in range(len(A))]

count = 0
for i in range(len(A) - 1, -1, -1):
    if not avail[i]:
        continue
    comp = getComp(A[i])
    j = bisect_left(A, comp)
    while True:
        if A[j] != comp:
            break
        if i == j or not avail[j]:
            j += 1
            continue
        avail[i] = False
        avail[j] = False
        count += 1
        break

print(count)


### FIXED CODE ###

# from math import log2
from math import log
from bisect import bisect_left


def log2(x):
    return log(x, 2)


def getComp(n):
    return (1 << (1 + int(log2(n)))) - n


N = int(input())
A = [int(s) for s in input().split()]
A.sort()
B = []
C = []
i = 0
while i < len(A):
    j = i
    count = 1
    while i+1 < len(A) and A[j] == A[i+1]:
        count += 1
        i += 1
    B.append(A[j])
    C.append(count)
    i += 1

count = 0
i = len(B) - 1
while i >= 0:
    comp = getComp(B[i])
    j = bisect_left(B, comp)
    if i == j and C[i] < 2:
        i -= 1
        continue
    if B[j] != comp:
        i -= 1
        continue
    if not C[i] or not C[j]:
        i -= 1
        continue
    C[i] -= 1
    C[j] -= 1
    count += 1

print(count)
n = int(input().split())
*l, = map(int,input().split())
ans = 0
tmp=1
for i in range(n):
  if l[i] == tmp:
    tmp+=1
  else:
    ans += 1
print(-1 if ans==n else ans)

### FIXED CODE ###

n = int(input())
*l, = map(int,input().split())
ans = 0
tmp=1
for i in range(n):
  if l[i] == tmp:
    tmp+=1
  else:
    ans += 1
print(-1 if ans==n else ans)
while True:
  st=[]
  n=input()
  
  if n=="":
    break
    
  st += n.lower()
  char = "abcdefghijklmnopqrstuvwxyz"

  for i in range(len(char)):
    print(char[i],":",st.count(char[i]))


### FIXED CODE ###

st=[]

while True:
  try:
    n=input()
    if n=="":
      break
    st += n.lower()
  except:
    break
   
char = "abcdefghijklmnopqrstuvwxyz"
for i in range(len(char)):
  print(char[i],":",st.count(char[i]))
n, a, b = map(int, input().split())
n = list(str(n))

count = 0
for j in range(n):
    l = [n[i] for i in range(len(j))]
    sum = sum(l)
    if a <= sum and sum <= b:
        count += 1
print(count)


### FIXED CODE ###

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

x = []
for j in range(1, m + 1):
    n = list(str(j))
    l = [int(n[i]) for i in range(len(n))]
    if len(l) == 1:
        l.append(0)
    s = sum(l)
    if a <= s and s <= b:
        x.append(j)
print(sum(x))
N = int(input())
N_reverse = N[::-1]

if N = N_reverse:
  print('Yes')
else:
  print('No')

### FIXED CODE ###

N = input()
N_reverse = N[::-1]

if N == N_reverse:
  print('Yes')
else:
  print('No')
N, K = map(int, input().split())
A = list(map(int, input().split()))
import numpy as np

cumAm1 = np.cumsum(np.array([1] + A) - 1)
cumAm1 %= K

counts = np.zeros(K, dtype=int)
counts2 = np.zeros(K, dtype=int)
for i in range(N + 1):

    if i >= K:
        counts[cumAm1[i - K]] -= 1

    counts2[cumAm1[i]] += counts[cumAm1[i]]

    counts[cumAm1[i]] += 1

print(counts2.sum())


### FIXED CODE ###

from collections import Counter

N, K = map(int, input().split())
A = list(map(lambda s: int(s) % K, input().split()))

cumAm1 = [1] + A
for i in range(1, N + 1):
    cumAm1[i] = (-1 + cumAm1[i - 1] + cumAm1[i]) % K

counts = Counter()
ans = 0
for i in range(N + 1):

    if i >= K:
        counts[cumAm1[i - K]] -= 1

    cur = cumAm1[i]
    ans += counts[cur]

    counts[cur] += 1

print(ans)
n = input()
a = input()
b = input()

output = ""

for s, t in zip(a, b):
    output += a
    output += b
print(output)

### FIXED CODE ###

n = input()
a, b = input().split(" ")
output = ""
for s, t in zip(a, b):
    output += s
    output += t
print(output)
import sys
c = 0
for x in sys.stdin.readline():
    c += 1
    print 'Case %d: %s' %(c, int(x))

### FIXED CODE ###

c = 0
while True:
    a = int(raw_input())
    if a == 0: break
    c += 1
    print 'Case %d: %d' %(c, a)
i = int(input())
num = map(int, input().split())
count = 0
while True:
  for k in range(i):
    num[k] = num[k] / 2
    if type(num[k]) is float:
      break
    count += 1
print(count)


### FIXED CODE ###

i = int(input())
num = list(map(int, input().split()))
count = 0
while True:
  flag = False
  for k in range(i):
    if num[k] % 2 != 0:
      flag = True
  if flag:
    break
  for k in range(i):
    num[k] /= 2
  count += 1
print(count)
a = int(input())
b = int(input())
if a >= 0 and  a <= 5:
    print(0)
if a >= 6  and a <= 12:
    print(b//2)
if a >= 13 and a <= 100:
    print(b)

### FIXED CODE ###

line = input()
a, b = [int(n) for n in line.split()]
if a>=13:
    print(b)
elif a>=6:
    b = b/2
    b = int(b)
    print(b)
else:
    print("0")
import math
n=int(input())

l=[4 if i%2==0 else 2 for i in range(n+1)]
l[1]=1
l[2]=2
l[4]=3
for i in range(3,int(math.sqrt(n))+1):#振るい
  for j in range(i,n//i+1):
   # print(i,i*j)
    if i==j:
      l[i*j]+=1
    else:
      l[i*j]+=2
#print(l)

l2=[i*l[i] for i in range(n+1)]
print(sum(l2))


### FIXED CODE ###

import math
n=int(input())

l=[4 if i%2==0 else 2 for i in range(max(5,n+1))]
l[1]=1
l[2]=2
l[4]=3
for i in range(3,int(math.sqrt(n))+1):#振るい
  for j in range(i,n//i+1):
   # print(i,i*j)
    if i==j:
      l[i*j]+=1
    else:
      l[i*j]+=2
#print(l)

l2=[i*l[i] for i in range(n+1)]
print(sum(l2))
S = list(input())
N = len(S)
ans = 999
for i in range(0, N - 3):  #1 2 3 4 5 6 7 #0 1 2 3 4 5 6
	num = S[i] * 100 + S[i + 1] * 10 + S[i + 2]
	if ans > abs(num - 753):
		ans = abs(num - 753)
print(ans)							


### FIXED CODE ###

s = input()
 
ans = 1000
for i in range(len(s)-2):
    ans = min(ans, abs(753-int(s[i:i+3])))
print(ans)
import re
S = input()
K = int(input())

d = re.search('[2-9]', S)
if d.start() >= K:
  print("1")
else:
  print(d.group())

### FIXED CODE ###

import re
S = input()
K = int(input())

d = re.search('[2-9]', S)
if d == None or d.start() >= K:
  print("1")
else:
  print(d.group())
N, M = list(map(int, input().split()))
a = []
for _ in range(M):
    a.append(int(input()))

dif = [a[0]-1]
dif.extend([(a[i]-1)-(a[i-1]+1) for i in range(1,len(a))])
dif.extend([N-a[-1]-1])
max_dif = max(dif)
print(dif, max_dif)

Fiblist = {-1:0,0:1,1:1,2:2}
for n in range(3,max_dif+1):
    Fiblist[n]=Fiblist[n-1]+Fiblist[n-2]
print(Fiblist)
ans = 1
for part in dif:
    ans*=Fiblist[part]
print(ans%1000000007)

### FIXED CODE ###

N, M = list(map(int, input().split()))
a = []
for _ in range(M):
    a.append(int(input()))
a = sorted(list(set(a)))
if len(a)>0:
    dif = [a[0]-1]
    dif.extend([(a[i]-1)-(a[i-1]+1) for i in range(1,len(a))])
    dif.extend([N-a[-1]-1])
else:
    dif = [N]
max_dif = max(dif)
Fiblist = {-1:0,0:1,1:1,2:2}
for n in range(3,max_dif+1):
    Fiblist[n]=Fiblist[n-1]+Fiblist[n-2]
ans = 1
for part in dif:
    ans= ans*Fiblist[part]%1000000007
print(ans)
k=str(input())
s=int(input())

a=len(s)

if k>=a:
print(s)

else k<a:
print(s[k]+"...")

### FIXED CODE ###


k= int(input())
s= input()

a=len(s)

if k >= a:
  print(s)

else :
  print(s[:k]+"...")
n = int(input())
a = [int(x) for x in input().split()]

num = {}
for v in a:
  if v in num:
    num[v] = num[v] + 1
  else:
    num[v] = 1
m = int(input())
t = [int(x) for x in input().split()]

ok = True
for v in t:
  if v not in num:
    ok = False
  elif num[v] <= 0:
    ok = False
  else:
    num[v] = num[v] - 1

if ok:
  print("YES")
else:
  ptint("NO")


### FIXED CODE ###

n = int(input())
a = [int(x) for x in input().split()]

num = {}
for v in a:
  if v in num:
    num[v] = num[v] + 1
  else:
    num[v] = 1
m = int(input())
t = [int(x) for x in input().split()]

ok = True
for v in t:
  if v not in num:
    ok = False
  elif num[v] <= 0:
    ok = False
  else:
    num[v] = num[v] - 1

if ok:
  print("YES")
else:
  print("NO")
l = input().split()
if abs(l[2] - l[1]) > l[3]:
    print("Yes")
elif abs(l[0] - l[1]) > l[3] and abs(l[1] - l[2]) > l[3]:
    print("Yes")
else:
    print("No")


### FIXED CODE ###

l = input().split()
if abs(int(l[2]) - int(l[0])) <= int(l[3]):
    print("Yes")
elif abs(int(l[0]) - int(l[1])) <= int(l[3]) and abs(int(l[1]) - int(l[2])) <= int(l[3]):
    print("Yes")
else:
    print("No")
x = int(input(" x : ")
x ** 3

### FIXED CODE ###

x = int(input())
print(x**3)
N = int(input())
A = list(map(int,input().split()))
cnt = 0
for i in range(N):
    cnt += A[i]//2
    A[i] = A[i]%2
for i in range(1,N-1):
    if A[i-1]+A[i]==2:
        cnt += 1
        A[i]=0
print(cnt)

### FIXED CODE ###

N = int(input())
A = []
a = []
for i in range(N):
    x = int(input())
    if x==0:
        b = a[:]
        A.append(b)
        a = []
    else:
        a.append(x)
A.append(a)
cnt = 0
for a in A:
    c = sum(a)
    cnt += c//2
print(cnt)
N = int(input())
A = list(int(i) for i in input().split())
B = list(int(i) for i in input().split())
C = list(int(i) for i in input().split())
A.sort()
B.sort()
C.sort()
sum = 0
#print(A,B,C)
for j in range(N):
    low = low2 = 0
    high = high2 = N - 1
    mid =mid2 = (N - 1) // 2
    b = B[j]
    if A[0] > b:
        acount = 0
    else:
        while high > low:
            if A[mid] < b:
                if low == mid:
                    if A[mid+1] < b:
                            low += 1
                    if A[mid+1] >= b:
                            high += - 1
                else:
                    low = mid
            if A[mid] >= b:
                high = mid-1
            mid = (high + low) // 2
        acount = mid + 1


    while high2 > low2:
        if C[mid2] > b:
            high2 = mid2
        if C[mid2] <= b:
            if low2 == mid2:
                if C[low2+1] > b:
                    low2 += 1
                if C[low2+1] <=b:
                    high2 -= 1
            else:
                low2 = mid2 + 1
        mid2 = (high2 + low2)//2
    ccount = N-mid2
    #print(acount,ccount)
    sum += acount*ccount
print(sum)


### FIXED CODE ###

N = int(input())
A = list(int(i) for i in input().split())
B = list(int(i) for i in input().split())
C = list(int(i) for i in input().split())
A.sort()
B.sort()
C.sort()
sum = 0
for j in range(N):
    low = low2 = 0
    high = high2 = N
    b = B[j]
    mid = mid2 = 0
    #print(b)
    while(high>low):
        mid = (high + low)//2
        if b > A[mid]:
            low = mid +1
        else:
            high = mid
    acount = low
    while (high2>low2):
        mid2 = (high2 + low2)//2
        if b < C[mid2]:
            high2 = mid2
        else:
            low2 = mid2 + 1
    ccount=N-low2
    sum += acount*ccount
print(sum)
(h,n),*t=[map(int,o.split())for o in open(0)]
dp=[0]*(h+10100)
for i in range(1,h+1):dp[i]=min(dp[i-a]+b for a,b in t)
print(dp[h])

### FIXED CODE ###

def chmin(dp, i, *x):
  dp[i] = min(dp[i], *x)
INF = float("inf")

# dp[i] := min 消耗する魔力 to H -= i
h, n = map(int, input().split())
dp = [0] + [INF]*h
for _ in [None]*n:
  a, b = map(int, input().split())
  for j in range(h + 1):
    chmin(dp, min(j + a, h), dp[j] + b)
print(dp[h])
#Rgb Cards

Lst = list(input().split())
a = "".join(lst)
print("YES" if int(a) % 4 == 0 else "NO")


### FIXED CODE ###



lst = list(input().split())
a = "".join(lst)
print("YES" if int(a) % 4 == 0 else "NO")
s = input()
ans = 0
for i in range(0,len(s)-2):
  for j in range(3,len(s)+1):
    a = s[i:j+1]
    if a%2019 == 0:
      ans += 1
print(ans)
               


### FIXED CODE ###

s,l = (input(),2019)
m,a,r = ([1]+[0]*l,0,0)
for i,e in enumerate(s[::-1]):
    a += int(e)*pow(10,i,l)
    r += m[a%l]
    m[a%l] += 1
print(r)
s,t = input().split())
a,b = map(int,input().split())
u = input()

if s == u and not t == u:
    gap = a -1
    print(int(gap),b)
else:
    gap = b -1
    print(a,int(gap))

### FIXED CODE ###

s,t = input().split()
a,b = map(int,input().split())
u = input()

if s == u:
    print(a -1,b)
else:
    print(a,b-1)
from collections import defaultdict, Counter
from itertools import product, groupby, count, permutations, combinations
from math import pi, sqrt, floor
from collections import deque
from bisect import bisect, bisect_left, bisect_right
from string import ascii_lowercase
from functools import lru_cache
import sys
sys.setrecursionlimit(10000)
INF = float("inf")
YES, Yes, yes, NO, No, no = "YES", "Yes", "yes", "NO", "No", "no"
dy4, dx4 = [0, 1, 0, -1], [1, 0, -1, 0]
dy8, dx8 = [0, -1, 0, 1, 1, -1, -1, 1], [1, 0, -1, 0, 1, 1, -1, -1]


def inside(y, x, H, W):
    return 0 <= y < H and 0 <= x < W


def ceil(a, b):
    return (a + b - 1) // b


def f(b, n):
    if n < b:
        return n
    return f(b, n // b) + n % b


def main():
    N = int(input())
    S = int(input())

    if N < S:
        print(-1)
        return

    ans = INF
    for b in range(2, int(sqrt(N)) + 1):
        if f(b, N) == S:
            ans = min(ans, b)

    bs = set()
    t = N - S
    for i in range(1, int(sqrt(t)) + 5):
        if t % i == 0:
            bs.add(i)
            bs.add(t // i)
    bs.add(N)
    bs.add(N + 1)

    for b in bs:
        if b == 1:
            continue
        if f(b, N) == S:
            ans = min(ans, b)

    if ans == INF:
        print(-1)
    else:
        print(ans)


if __name__ == '__main__':
    main()


### FIXED CODE ###

from math import floor, sqrt
INF = 10 ** 20


def f(b, n):
    if n < b:
        return n
    else:
        return f(b, n // b) + (n % b)


def main():
    n = int(input())
    s = int(input())

    ans = INF
    # 1桁
    if n == s:
        ans = min(ans, n + 1)

    # 2桁
    for p in range(1, int(sqrt(n)) + 1):
        q = s - p
        b = (n - q) // p
        if 2 <= b and f(b, n) == s:
            ans = min(ans, b)

    # 3桁以上
    for b in range(2, int(sqrt(n)) + 1):
        if f(b, n) == s:
            ans = min(ans, b)

    print(-1 if ans == INF else ans)

if __name__ == '__main__':
    main()
N = int(input())
A = list(map(lambda x:int(x), input().split()))

fail=False
count_list = [0]*(int((N-1)/2)+1)
for i in range(N):
	if A[i]%2==N%2:
		print(0)
		fail=True
		break
	count_list[int(A[i]/2)] = count_list[int(A[i]/2)]+1
if not fail:
	if N%2==0:
		for c in count_list:
			if c!=2:
				print(0)
				break
		else:
			print(int(2**(N/2)%(10**9+7)))
	if N%2==1:
		if count_list[0]!=1:
			print(0)
		else:
			count_list.pop(0)
			for c in count_list:
				if c!=2:
					print(0)
					break
			else:
				print(int(2**((N-1)/2)%(10**9+7)))


### FIXED CODE ###

N = int(input())
A = list(map(lambda x:int(x), input().split()))

fail=False
count_list = [0]*(int((N-1)/2)+1)
for i in range(N):
	if A[i]%2==N%2:
		print(0)
		fail=True
		break
	count_list[int(A[i]/2)] = count_list[int(A[i]/2)]+1
if not fail:
	if N%2==0:
		for c in count_list:
			if c!=2:
				print(0)
				break
		else:
			result = 2
			for i in range(int(N/2)-1):
				result = result*2%(10**9+7)
			print(result)
	if N%2==1:
		if count_list[0]!=1:
			print(0)
		else:
			count_list.pop(0)
			for c in count_list:
				if c!=2:
					print(0)
					break
			else:
				if N==1:
					print(1)
				else:
					result = 2
					for i in range(int((N-1)/2)-1):
						result = result*2%(10**9+7)
					print(result)
N, X, M = map(int, input().split())

appearance = [0] * (M + 1)
cum_sum = [0]
A = X
appearance[A] = 1
cum_sum.append(A)
for a in range(2, N + 1):
    A = (A**2)%M
    if appearance[A] != 0:
        n = a - 1
        break
    appearance[A] = a
    cum_sum.append(cum_sum[-1] + A)
else: n = a

k = appearance[A]
l = (N - n) // (n - k + 1)
m = (N - n) - (n - k + 1)*l + k - 1

ans = cum_sum[n] + (cum_sum[n] - cum_sum[k - 1])*l + cum_sum[m] - cum_sum[k - 1]
print(ans)

### FIXED CODE ###

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

appearance = [0] * (M + 1)
cum_sum = [0]
A = X
appearance[A] = 1
cum_sum.append(A)
a = 1
for a in range(2, N + 1):
    A = (A**2)%M
    if appearance[A] != 0:
        n = a - 1
        break
    appearance[A] = a
    cum_sum.append(cum_sum[a - 1] + A)
else: n = a

k = appearance[A]
l = (N - n) // (n - k + 1)
m = (N - n) - (n - k + 1)*l + k - 1

ans = cum_sum[n] + (cum_sum[n] - cum_sum[k - 1])*l + cum_sum[m] - cum_sum[k - 1]
print(ans)
s=sorted(list(input()))
t=sorted(list(input()))[::-1]
#print(s,t)
for i in range(len(s)):
  if(s[i]<t[i]):
    print(s[i],t[i])
    print('Yes')
    break
  elif(s[i]>t[i]):
    print('No')
    break
  else:
    if(i<len(s)-1):pass
    else:#sの長さまでは同じ。sの方が短ければYes、そうでなければNo
      if(len(s)<len(t)):
        print('Yes')
        break
      else:
        print('No')
        break

### FIXED CODE ###

s=sorted(list(input()))
t=sorted(list(input()))[::-1]
for i in range(min(len(s),len(t))):
  if(s[i]<t[i]):
    print('Yes')
    break
  elif(s[i]>t[i]):
    print('No')
    break
  else:
    if(i<min(len(s)-1,len(t)-1)):pass
    else:#sの長さまでは同じ。sの方が短ければYes、そうでなければNo
      if(len(s)<len(t)):
        print('Yes')
        break
      else:
        print('No')
        break
s=input()+'T'
x,y=map(int,input().split())
if 'T' in s:
  pos=s.index('T')
  x-=pos
  s=s[pos+1:]
arr=s.split('T')
xarr=[]
yarr=[]
for i in range(len(arr)):
  l=len(arr[i])
  if l==0:
    continue
  if i%2==0:
    yarr.append(l)
  else:
    xarr.append(l)
xsum=sum(xarr)
ysum=sum(yarr)
x+=xsum
y+=ysum
if x%2==1 or y%2==1:
  print('No')
else:
  #DP for xarr,yarr
  xdp=[0]*(xsum+5)
  xdp[0]=1
  for val in xarr:
    for i in range(xsum+4,-1,-1):
      if i-val<0:
        break
      if xdp[i-val]==1:
        xdp[i]=1
  ydp=[0]*(ysum+5)
  ydp[0]=1
  for val in yarr:
    for i in range(ysum+4,-1,-1):
      if i-val<0:
        break
      if ydp[i-val]==1:
        ydp[i]=1
  if xdp[x//2]==0:
    print('No')
  else:
    if ydp[y//2]==0:
      print('No')
    else:
      print('Yes')

### FIXED CODE ###

s=input()+'T'
x,y=map(int,input().split())
if 'T' in s:
  pos=s.index('T')
  x-=pos
  s=s[pos+1:]
arr=s.split('T')
xarr=[]
yarr=[]
for i in range(len(arr)):
  l=len(arr[i])
  if l==0:
    continue
  if i%2==0:
    yarr.append(l)
  else:
    xarr.append(l)
x+=sum(xarr)
y+=sum(yarr)
if x%2==1 or y%2==1:
  print('No')
else:
  #DP for xarr,yarr
  xdp=[0]*8005
  xdp[0]=1
  for val in xarr:
    for i in range(8004,-1,-1):
      if i-val<0:
        break
      if xdp[i-val]==1:
        xdp[i]=1
  ydp=[0]*8005
  ydp[0]=1
  for val in yarr:
    for i in range(8004,-1,-1):
      if i-val<0:
        break
      if ydp[i-val]==1:
        ydp[i]=1
  if xdp[x//2]==0:
    print('No')
  else:
    if ydp[y//2]==0:
      print('No')
    else:
      print('Yes')
N=int(input())
a_n=[int(x) for i in input().split()]

print(max(a_n)-min(a_n))

### FIXED CODE ###

N=int(input())
a_n=[int(i) for i in input().split()]

print(max(a_n)-min(a_n))
# -*- coding: utf-8 -*-
n = int(input())
sl = [input() for _ in range(n)]

xa = []
bx = []
ab = []
x = []
for s in sl:
    if s[0]=="B" and s[-1]=="A":
        ab.append(s)
    elif s[-1]=="A":
        xa.append(s)
    elif s[0]=="B":
        bx.append(s)
    else:
        x.append(s)
ab = ["".join(ab)]

if len(ab)>len(bx):
    bx.append(ab[0])
else:
    xa.append(ab[0])

if len(xa)>=len(bx):
    for i in range(len(bx)):
        x.append(xa[i]+bx[i])
    x = x+xa[len(bx):]
else:
    for i in range(len(xa)):
        x.append(xa[i]+bx[i])
    x = x+xb[len(xa):]
res = "".join(x)
print(res.count("AB"))


### FIXED CODE ###

# -*- coding: utf-8 -*-
n = int(input())
sl = [input() for _ in range(n)]

xa = []
bx = []
ba = []
x = []
for s in sl:
    if s[0]=="B" and s[-1]=="A":
        ba.append(s)
    elif s[-1]=="A":
        xa.append(s)
    elif s[0]=="B":
        bx.append(s)
    else:
        x.append(s)

if len(xa)>0:
    xa = xa[:-1]+[xa[-1]+"".join(ba)]
elif len(bx)>0:
    bx = bx[:-1]+["".join(ba)+bx[-1]]
else:
    x.append("".join(ba))

if len(xa)>=len(bx):
    for i in range(len(bx)):
        x.append(xa[i]+bx[i])
    x = x+xa[len(bx):]
else:
    for i in range(len(xa)):
        x.append(xa[i]+bx[i])
    x = x+bx[len(xa):]

res = "".join(x)
print(res.count("AB"))
i=[ 1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]

K= int(input())
print(i[K])


### FIXED CODE ###

i=[ 1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]

K= int(input())
print(i[K-1])
N = int(input())
A = list(map(int,input().split()))
x = 0
count = 0
while True:
  for i in A:
    if i % 2 == 1:
      x = 1
  if x == 1:
    break
  else:
    A = A / 2
    count += 1

print(count)

### FIXED CODE ###

import numpy as np
N = int(input())
A = list(map(int,input().split()))
A = np.array(A)
count = 0
while True:
  x = 0
  for i in A:
    if i % 2 == 1:
      x = 1
  if x == 1:
    break
  else:
    A = A / 2
    count += 1

print(count)
import math
R=input()
print(R*math.pi)

### FIXED CODE ###

R=float(input())
print(2*R*3.141592)
n=int(input())
A=list(map(int,input().split()))
B=[0 for i in range(n)]
for i in range(1,int(n**0.5)+1):
    for j in range(0,n,i):
        B[i] +=A[j]

C=[]
for i in range(int(n**0.5)+1):
    if B[i]%2==A[i]:
        C.append(i+1)

if len(C)==0:print(0);exit()
print(1)
print(*C)

### FIXED CODE ###

n=int(input())
A=list(map(int,input().split()))
B=[0 for i in range(n+1)]
C=[]
cnt=0
for i in range(1,n+1)[::-1]:
    sum_B=sum(B[j] for j in range(i,n+1,i))
    if sum_B%2!=A[i-1]:
        B[i]=1
        C.append(i)
        cnt +=1
print(cnt)
print(*[i for i in C[::-1]])
K=int(input())
S=input()
hai=[]
if len(S)<K:
  print(S)
else:
  for i in range(0,K):
    hai.append(S[i])
  print(hai+"...")
    

### FIXED CODE ###

K=int(input())
S=input()
if len(S)<=K:
  print(S)
else:
  print(S[:K]+"...")
a,b=int(input().split())
if a*b==0:
  print('Zero')
if a*b<0:
  print('Negative')
if a*b>0:
  print('Positive')

### FIXED CODE ###

a,b=map(int,input().split())
if b < 0:
    if (b-a+1) % 2 == 0:
        ans = 'Positive'
    elif (b-a+1) % 2 == 1:
        ans = 'Negative'
elif a > 0:
 ans='Positive'
else:
 ans='Zero'
  
print(ans)
A,B = map(int, input().split())

S =  input()


if  S[A] == "-" and S.count("-") == 1:
    ans = "Yes"
else:
    ans = "No"

print(ans)

### FIXED CODE ###

M = int(input())

print(48-M)
s = input().split('i')

h = s[:len(s)-1]
i = s[len(s)-1]
ans = 'No'

for j in h:
  if j =='h' and i == '':
    ans = 'Yes'
  
print(ans)

### FIXED CODE ###

h = input()

result = 'Yes'

if len(h)%2 != 0:
  result ='No'
  
for a in range(0,len(h)-1,2):  
  b = h[a:a+2]
  if b != 'hi':
    result = 'No'
    break
    
print(result)
from bisect import bisect
N,K=map(int,input().split())
a=[int(i) for i in input().split()]
a.sort()
def dp(n):
  d=[False]*(K+1)
  d[0]=True
  for i in range(N):
    if i!=n:
      for w in range(K)[::-1]:
        if w+a[i]<=K and d[w]:
          d[w+a[i]]=True
  for i in range(K-a[n],K):
    if d[i]:
      return True
  return False

l,r=0,N-1
while r-l>1:
  m=(l+r)//2
  if dp(m):
    r=m
  else:
    l=m
if r==N-1 and not dp(N-1):
  print(N)
elif not dp(r):
  print(r+1)
elif not dp(l):
  print(l+1)
else:
  print(l)


### FIXED CODE ###

from bisect import bisect_left
N,K=map(int,input().split())
a=[int(i) for i in input().split()]
a.sort()
a=a[:bisect_left(a,K)]
d=[False]*(K)
d[0]=True
curr_max=0
ans=len(a)
for i,a in reversed(list(enumerate(a))):
  if curr_max+a>=K:
    ans=i
  c=curr_max
  for j in range(curr_max+1)[::-1]:
    if j+a<K and d[j]:
      d[j+a]=True
      c=max(c,j+a)
  curr_max=c
print(ans)
n = int(input()) 
maisu = math.floor( (n+1000-1)/1000 )
val = maisu*1000 - n

print val

### FIXED CODE ###

import math
n = int(input()) 
maisu = math.floor( (n+1000-1)/1000 )
val = maisu*1000 - n
 
print(val)