Harryxun/stf_run huggingface dataset:
n = int(input())
s = int(input())

def f(b,n) :
    r = 0
    i = 1
    while n:
        j = n % b
        r += j
        n = (n-j)//b
    return r


if n < s or (n // 2)+1 < s < n :
    print("-1")
elif (n//3) + 2 < s < n//2:
    print(n-s+1)
elif s == n:
    print(n+1)
elif s == 1:
    def check(n,b):
        while 1 < n :
            if n % b != 0:
                break
            n //= b
        if n == 1:
            return b
        return 0
    for b in range(2,int(n**0.5)+2):
        r = check(n,b)
        if r:
            print(r)
            exit()
    print(n)
else:

    x = n // s
    xd = n % s
    if s - xd < x:
        x = x + 1
    if 3 < n/(x -1) - n/x :
        for b in range(n//(x-1),(n//x)+1):
            if f(b,n) == s:
                print(b)
                exit()
    for b in range(2,(n//2)+2):
        if f(b,n) == s:
            print(b)
            exit()
    print(n-s+1)


### FIXED CODE ###

n = int(input())
s = int(input())
rtn = -1* int( -1 * (n**0.5))
def f(b,n):
    if n<b:
        return n
    return f(b,n//b) + n % b
if n < s or (n // 2)+1 < s < n :
    print("-1")
elif s == n:
    print(n+1)
elif s == n//2 +1:
    if n % 2 == 1:
        print(n//2 + 1)
    else:
        print("-1")
elif (n//3) + 2 < s <= n//2:
    print(n-s+1)
else:
    for b in range(2,rtn+1):
        if f(b,n) == s:
            print(b)
            exit()
    for p in range(rtn,0,-1):
        if (n-s) % p == 0:
            b = (n-s)//p + 1
            if f(b,n) == s:
                print(b)
                exit()
    print(n-s+1)
import sys
def b(bs, cs):
    #print(bs, xs[len(bs):])
    d = set()
    bl, cl = len(bs), len(cs)
    bi, ci = 0, 0
    while True:
      if bs[bi] > cs[ci]:
        bi += 1
        bs.append(cs[ci])
        del cs[ci]
      else:
        ci += 1
      if bi == bl or ci == len(cs):
        break
    if len(bs) != 2 * bl:
      print("No")
      sys.exit()
    return bs, cs

n=int(input())
xs = sorted(list(map(int,input().split())))[::-1]
bs, cs = xs[:1], xs[1:]
for _ in range(n):
    bs, cs = b(sorted(bs)[::-1], cs[::-1])

print("Yes")

### FIXED CODE ###

print(pow(int(input()), 3))
n = int(input())

if n % 2 == 1:
    print(0)
else:
    flg = 0
    ans = 0
    while n >= 5:
        if flg == 0:
            ans += n // 10
            n //= 10
            flg = 1
        else:
            ans += n // 5
            n //= 5

print(ans)

### FIXED CODE ###

n = int(input())

if n % 2 == 1:
    print(0)
else:
    flg = 0
    ans = 0
    while n >= 5:
        if flg == 0:
            ans += n // 10
            n //= 10
            flg = 1
        else:
            ans += n // 5
            n //= 5

    print(ans)
UnionFind木
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

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

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

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

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

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r,self.members(r)) for r in self.roots())
N,K,L = map(int,input().split())
uf = UnionFind(N)
ans = 0
for i in range(K):
    p,q = map(int,input().split())
    uf.union(p,q)
for i in range(L):
    r,s = map(int,input().split())
    if uf.same(r,s):
        ans += 1

### FIXED CODE ###

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

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

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

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

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

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r,self.members(r)) for r in self.roots())
N,K,L = map(int,input().split())
ufK = UnionFind(N)
ufL = UnionFind(N)
ans = [1]*(N)
for i in range(K):
    p,q = map(int,input().split())
    ufK.union(p-1,q-1)
for i in range(L):
    r,s = map(int,input().split())
    ufL.union(r-1,s-1)
from collections import defaultdict
ar=[(ufK.find(i),ufL.find(i)) for i in range(N)]
dic=defaultdict(int)
 
for i in ar:
    dic[i]+=1
ans=[]
for i in range(N):
    ans.append(dic[ar[i]])
print(*ans)
l = [int(n) for n in input().split()]
print(sum(l.sort()[:2]))

### FIXED CODE ###

l = [int(n) for n in input().split()]
print(sum(sorted(l)[:2]))
X = input()
if 399 < X < 600:
  print(8)
if 599 < X < 800:
  print(7)
if 799 < X < 1000:
  print(6)
if 999 < X < 1200:
  print(5)
if 1199 < X < 1400:
  print(4)
if 1399 < X < 1600:
  print(3)
if 1599 < X < 1800:
  print(2)
if 1799 < X < 2000:
  print(1)


### FIXED CODE ###

X = int(input())
result = 8 - (X - 400)//200
print(str(result))
for var in range(1,2001):
    a,b=map(int,input().split())
    c=a+b
    c=str(c)
    print(len(c))

### FIXED CODE ###

for var in range(1,2001):
    try:
        a,b=map(int,input().split())
        c=a+b
        c=str(c)
        print(len(c))
    except:
        break
def main():
    n = int(input())
    total = 0

    for line in range(0, n):
        total += calc()

    print(total)


def calc():
    x, u = map(str, input().split())

    if u == "JPY":
        return int(x)

    if u == "BTC":
        return float(x) * 380000


if __name__ == '__main__':
    main()


### FIXED CODE ###

# -*- coding: utf-8 -*-

import datetime

date = input()
date1 = datetime.datetime.strptime(date, '%Y/%m/%d')

date2 = datetime.datetime(2019, 4, 30)

if date2 >= date1:
    print("Heisei")
else:
    print("TBD")
S = input()
num = len(S) - 1

for i in range(2**num):
    op=["-"]
    for j in range(num):
        if (i>>j)&1:
            op[num-j-1]="+"
            
    formula=""
    for op_S,op_num in zip(S,num+[""]):
        formula += op_S + op_num

    if eval(formula)==7:
        print(formula+"=7")
        break

### FIXED CODE ###

def dfs(i, Str, res):
    if i==3:
        if res==7:
            print(Str+"=7")
            exit()
        return
    
    dfs(i+1,Str+"+"+s[i+1],res+int(s[i+1]))
    dfs(i+1,Str+"-"+s[i+1],res-int(s[i+1]))

s=input()
dfs(0,s[0],int(s[0]))
n,k=map(int,input().split())
lists=list(map(int,input().split()))
Chlist=[0]*n
countlist=[0]*40
for s in range(n):
    Chlist[s]=format(lists[s],"0%ib"%40)
    for i in range(40):
        if Chlist[s][i]=="1":
            countlist[39-i]+=1

#countlistのi桁めが2**(i-1)の数である
power=0
for i in range(40):
    if 2**i<=k<2**(i+1):
        power=i

ans1=0
for j in range(power):
    ans1+=(2**j)*max(countlist[j],n-countlist[j])
ans1+=(2**power)*(countlist[power])


uselist=[0]*(k-2**power+1)
for some in range(k-2**power+1):
    c=format(some,“0%ib"%40)
    uselist[some]=c


### FIXED CODE ###

n,k=map(int,input().split())
k2=format(k+1,"0%ib"%40)
lists=list(map(int,input().split()))
countlist=[0]*40
for j in lists:
    c=format(j,"0%ib"%40)
    for i in range(40):
        if c[i]=="1":
            countlist[i]+=1

emptylist=[]
for i in range(40):
    if k2[i]=="1":
        emptylist.append(i)
if k>=1:
    ans=0
    for i in emptylist:
        subing=0
        for j in range(40):
            if j<i:
                if k2[j]=="1":
                    subing+=(2**(39-j))*(n-countlist[j])
                elif k2[j]=="0":
                    subing+=(2**(39-j))*countlist[j]
            if j==i:
                subing+=(2**(39-i))*countlist[i]
            
            if j>i:
                subing+=(2**(39-j))*max(countlist[j],n-countlist[j])
        ans=max(ans,subing)
    print(ans)
elif k==0:
    ans=0
    for i in range(40):
        ans+=(2**(39-i))*countlist[i]
    print(ans)
n = int(input())
a = list(map(int,input().split()))
b = [0 for l in range(n)]

for i in range(n):
    b[a[i]-1] = i+1
    print(b[i],end="")
    print(" ",end="")

### FIXED CODE ###

n =int(input())
a = 0.000000
b = 0.000000

for i in range(1,n+1):
    if i%2 == 0:
        a += 1
    else:
        b += 1
print('{:.10g}'.format(b/(a+b)))
s = input()

cnt = 0
L = []
for i in s:
    if i == "R":
        cnt += 1
    else:
        L.append(cnt)
        cnt = 0

print(max(L))


### FIXED CODE ###

s = input()

cnt = 0
L = []
for i in s:
    if i == "R":
        cnt += 1
    else:
        L.append(cnt)
        cnt = 0
L.append(cnt)
print(max(L))
N = int(input())
A = [int(x) for x in input().split()]

A.sort()

ans = 0

if A[0]!=A[1]:
    ans += 1

for i in range(1, N):
    flag = True
    for j in range(0, i):
        if i==j:
            continue
        if A[i] % A[j] == 0:
            flag = False
            break
    
    if flag:
        # print(i)
        ans += 1

print(ans)


### FIXED CODE ###

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

K = 10**6+1
num = [0] * K
l = [False] * K
for i in range(N):
    num[A[i]]+=1
    l[A[i]] = True

for i in range(1, K):
    if num[i]>0:
        if num[i]>1:
            l[i] = False
        j = 2
        while i*j < K:
            l[i*j] = False
            j += 1

ans = 0
for i in range(N):
    if l[A[i]]:
        ans += 1

print(ans)
N,M = map(int,input().split())
sc = [list(map(int,input().split())) for i in range(M)]
c = [i[1] for i in sc]
s = [i[0] for i in sc]
smax = max(s)
sc2 = [-1 for i in range(smax)]
flag = False
for s1,c1 in sc:
    if sc2[s1-1] == -1:
        sc2[s1-1] = c1
    else:
        flag = True
        break
num = int(''.join(map(str,sc2)))
if smax > N or flag or num == 0:
    print(-1)
else:
    if N == 1:
        if num <= 9:
            print(num)
    else:
        rem = N-smax
        print(str(num) + '0'*rem)
        

### FIXED CODE ###

N,M = map(int,input().split())
sc = {}
flag = False
for i in range(M):
    s,c = map(int,input().split())
    if N!=1 and s==1 and c == 0:
        flag =True
        break
    elif s not in sc:
        sc[s] = c
    else:
        if sc[s] != c:
            flag = True
            break
if flag:
    print(-1)
elif N == 1 and M == 0:
    print(0)
else:
    if N == 1:
        print(sc[1])
    else:
        ans = [0 for i in range(N)]
        ans[0] = 1

        for s,c in sc.items():
            ans[s-1] = c
        print(*ans,sep='')
        print()
n = int(input())
word = [input() for i in range(n)]
test = list([x,0] for x in set(word))

for i, num in enumerate(test):
  test[i][1] = word.count(num[0])

num_max = int(max(test, key=lambda x: x[1])[1])

print('\n'.join(sorted([num[0] for num in test if(int(num[1] == num_max)))))


### FIXED CODE ###

from collections import Counter
n = int(input())
word = Counter([input() for i in range(n)]).most_common()
print('\n'.join(sorted([num[0] for num in word if int(num[1]) == word[0][1]])))
i=[int(input()) for i in range(3)]
print(i)
if i[0]==i[1]&&i[1]!=i[2]:
  print('Yes')
else if i[0]==i[2]&&i[1]!=i[2]:
  print('Yes')
else if i[1]==i[2]&&i[0]!=i[1]:
  print('Yes')
else:
  print('no')
  

### FIXED CODE ###

A,B,C=input().split()

if  A==B==C:
    print('No')
elif A!=B and A!=C and B!=C:
    print('No')
else:
    print('Yes')
a, b = map(int, input().split(' '))
print( a * b, 2a + 2b)

### FIXED CODE ###

a, b = map(int, input().split(' '))
print( a * b, 2 * a + 2 * b)
n = int(input())
lst = list(map(int, input().split()))
comb = combinations(lst, 3)
count = 0
for i in comb:
  if i[0] != i[1] and i[1] != i[2] and i[0] != i[2]:
    if i[0] + i[1] > i[2] and i[1] + i[2] > i[0] and i[0] + i[2] > i[1]:
      count += 1
print(count)

### FIXED CODE ###

from itertools import combinations

n = int(input())
num_list = list(map(int, input().split()))
combination = combinations(num_list, 3)
count = 0
for i in combination:
  if i[0] != i[1] and i[1] != i[2] and i[0] != i[2]:
    if i[0] + i[1] > i[2] and i[1] + i[2] > i[0] and i[0] + i[2] > i[1]:
      count += 1
print(count)
l=int(input())
ans=[]
for i in range(1,l):
    for j in range(1,l):
        ans.append(i*j*(l-i-j))
print(max(ans))

### FIXED CODE ###

l=int(input())
a=l/3
print(a*a*a)
N=(input())
if int(N[1:])==0:
  print(0)
else:
  print(1000-int(N[1:]))


### FIXED CODE ###

N=int(input())
a=N%1000
if a==0:
  print(0)
else:
  print(1000-N%1000)
n,m=map(int,input().split())
sum=0
for i in range(n):
    a=input()
    sum=sum+a
num=0
for i in range(n):
    a=input()
    if a<1/(4*sum):
        num=num
    else:
        num=num+1
if num>=m:
    print('Yes')
else:
    print('No')

### FIXED CODE ###

n,m=map(int,input().split())
a=list(map(int,input().split()))
sumA=sum(a)
cnt=0
for i in a:
    if i>=sumA/(4*m):
        cnt=cnt+1
    else:
        cnt=cnt
if cnt>=m:
    print('Yes')
else:
    print('No')
def factorial(n):
    if n == 1:
        return 1
    else:
        return n * factorial(n-1)
a,b=map(int, input().split())
cnt=0
if a>1:
    cnt=(factorial(a)/((factorial(a-2))*2))
if b>1:
    cnt=(factorial(b)/((factorial(b-2))*2))+cnt
print(int(cnt))

### FIXED CODE ###

def factorial(n):
    if n == 1:
        return 1
    else:
        return n * factorial(n-1)
a,b=map(int, input().split())
cnt=0
if a==2:
    cnt=1
elif a>1:
    cnt=(factorial(a)/((factorial(a-2))*2))
if b==2:
    cnt=cnt+1
elif b>1:
    cnt=(factorial(b)/((factorial(b-2))*2))+cnt
print(int(cnt))
a=int(input())
b=[input().split() for i in range(a)]
b=int(b)
b.sort()
c=sum(b)
print(int(c-b[a]/2))

### FIXED CODE ###

a=int(input())
b=[int(input()) for i in range(a)]
b.sort()
c=sum(b)
print(int(c-b[a-1]/2))
N,M = list(map(int, input().split()))


hights = list(map(int, input().split()))
ans = [1]*N

for i in range(0,M):
  a,b = list(map(int, input().split()))
  if hights[a-1] > hights[b-1]:
    ans[table[1]] = 0
  elif hights[a-1] < hights[b-1]:
    ans[a-1] = 0
  else:
    ans[a-1] = 0
    ans[b-1] = 0

print(sum(ans))




### FIXED CODE ###

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


hights = list(map(int, input().split()))
ans = [1]*N

for i in range(0,M):
  a,b = list(map(int, input().split()))
  if hights[a-1] > hights[b-1]:
    ans[b-1] = 0
  elif hights[a-1] < hights[b-1]:
    ans[a-1] = 0
  else:
    ans[a-1] = 0
    ans[b-1] = 0

print(sum(ans))
n = int(input().rstrip())
robos = []
max = 0

for i in range(n):
    line = input().rstrip().split(' ')
    array = [int(line[0]), int(line[1])]
    robos.append(array)
    if max < array[0] + array[1] - 1:
        max = array[0] + array[1] - 1

field = [0] * max
count = 0
for item in robos:
    countFlg = True
    for i in range(item[0] - item[1] + 1, item[0] + item[1] - 1):
        if i < 0:
            continue
        if field[i] == 0:
            field[i] = 1
        else:
            countFlg = False
            break
    if countFlg == True:
        count += 1

print(count)

### FIXED CODE ###

class Robot:
    def __init__(self, left, right):
        self.left = left
        self.right = right
    
    def __lt__(self, other):
        return self.right < other.right

n = int(input().rstrip())
robos = [None] * n

for i in range(n):
    line = input().rstrip().split(' ')
    robos[i] = Robot(int(line[0]) - int(line[1]), int(line[0]) + int(line[1]))

robos.sort()

cur = -1000000000
ans = 0
for i in range(n):
    if cur <= robos[i].left:
        ans += 1
        cur = robos[i].right

print(ans)
#ABC129C-TypicalStairs.py

#import list
from sys import stdin, setrecursionlimit
from functools import lru_cache

input = stdin.readline
setrecursionlimit(100000)

#constant
#N = int(input())
N, M = list(map(int,input().split()))
A = [int(input()) for _ in range(M)]

#variable

#function
@lru_cache(maxsize=None)
def rootCount(position):
    if position < 0:
        return 0
    elif position == 0:
        return 1
    elif position in A:
        return 0
    else:
        return rootCount(position-1)+rootCount(position-2)
#class

#main function
def main():
    print(rootCount(N)%1000000007)

if __name__ == "__main__":
    main()


### FIXED CODE ###

#ABC129C-TypicalStairs.py

#import list
import numpy as np
from sys import stdin, setrecursionlimit
from functools import lru_cache

input = stdin.readline
setrecursionlimit(1000)

#constant
#N = int(input())
N, M = list(map(int,input().split()))
A = {int(input()) for _ in range(M)}

#variable
rootList = np.array([1]+[0]*(N))

#function

#class

#main function
def main():
    for i in range(N):
        rootList[i+1] = (rootList[i]+rootList[i-1])%1000000007
        if i+1 in A:
            rootList[i+1] = 0
    print(rootList[N])

if __name__ == "__main__":
    main()
import sys
readline=sys.stdin.readline

K = int(readline())
S = readline().rstrip()
N = len(S)

DIV = 10 ** 9 + 7
n = 10**6
g1 = [1, 1] # 元テーブル
g2 = [1, 1] #逆元テーブル
inverse = [0, 1] #逆元テーブル計算用テーブル

for i in range( 2, n + 1 ):
    g1.append( ( g1[-1] * i ) % DIV )
    inverse.append( ( -inverse[DIV % i] * (DIV//i) ) % DIV )
    g2.append( (g2[-1] * inverse[-1]) % DIV )

def nCr(n, r, DIV):
    if ( r<0 or r>n ):
        return 0
    r = min(r, n-r)
    return g1[n] * g2[r] * g2[n-r] % DIV
  
# N = |S|とする
# N + Kの長さの文字列で、N～N + K文字までが固定で、あとは任意の25文字
# の数が答え
ans = 0
for i in range(N,N + K + 1):
  # N + K文字からi文字を選ぶ場合の数
  pat = nCr(N + K, i ,DIV)
  
  # 残りN + K - i文字に対して25通り選べる場合の数
  pat *= pow(25, N + K - i, DIV)
  pat %= DIV
  ans += pat
  ans %= DIV
print(ans)

### FIXED CODE ###

import sys
readline = sys.stdin.readline

K = int(readline())
S = readline().rstrip()
S = len(S)
N = K + S

DIV = 10 ** 9 + 7
n = (10 ** 6) * 5
g1 = [1, 1] # 元テーブル
g2 = [1, 1] #逆元テーブル
inverse = [0, 1] #逆元テーブル計算用テーブル

for i in range( 2, n + 1 ):
    g1.append( ( g1[-1] * i ) % DIV )
    inverse.append( ( -inverse[DIV % i] * (DIV//i) ) % DIV )
    g2.append( (g2[-1] * inverse[-1]) % DIV )

def nCr(n, r, DIV):
    if ( r<0 or r>n ):
        return 0
    r = min(r, n-r)
    return g1[n] * g2[r] * g2[n-r] % DIV

# K = 3, S = 5のとき
# ..X.X.X.
# Xが取る3か所を選んだ上で、
# 最も右のXよりも右のマス：各26通り
# 最も右のXを含む、それより左のマス：Xのマスは1通り、それ以外は各25通り
# 最も右のXが
# ..X.....　の状態から、
# .......X  
# の状態について、場合の数を求める

ans = 0
for xpos in range(S, N + 1):
  # xpos箇所からK箇所を選ぶ場合の数
  # 一番右に1個固定した状態で、残りのxpos - 1か所からS - 1個を選ぶ
  pat = nCr(xpos - 1, S - 1, DIV)
#  print("xpos",xpos,"ncr",ncr)
#  print(S,"from",xpos,"pat",pat)
  # その場合の数に対して、X以外の文字の選び方は25 ** (X - S)通りある
#  print("25 for",xpos - S,"boxes")
  pat *= pow(25, xpos - S, DIV)
  pat %= DIV
  
  # 残りのマスに対しては26通りずつ選べる
#  print("26 for ",N - xpos,"boxes")
  pat *= pow(26, N - xpos, DIV)
  pat %= DIV
#  print("xpos",xpos,"pat",pat)
  
  ans += pat
  ans %= DIV

print(ans)
x=int(input())
if(x>=30):
  print("Yes")
else:
  prinit("No")

### FIXED CODE ###

x=int(input())
if(x>=30):
  print("Yes")
else:
  print("No")
s = input()
cnt = 0
if len(s) ==1:
    print("0")
elif len(s) ==2:
    if len(set(s))==1:
        print("1")
    else:
        print("0")
elif len(s) ==3:
    if len(set(s)) == 1:
        print("1")
    else:
        if s[0] == s[2]:
            print("0")
        else:
            print("1")
else:
    pass
if s[0]==s[1]:
    s = list(s)
    s[1] = str(abs(int(s[0])-1))
    s = "".join(s)
    cnt +=1
if len(s)%2 and len(s)>=4:
    for i in range(0,len(s)+1,2):
        if s[i] != s[0]:
            cnt +=1
    for i in range(1,len(s),2):
        if s[i] != s[1]:
            cnt +=1
    print(cnt)
elif len(s)%2==0 and len(s)>=4:
    for i in range(0,len(s),2):
        if s[i] != s[0]:
            cnt +=1
    for i in range(1,len(s)+1,2):
        if s[i] != s[1]:
            cnt +=1
    print(cnt)

### FIXED CODE ###

s = input()
cnt = 0
if len(s) ==1:
    print("0")
elif len(s) ==2:
    if len(set(s))==1:
        print("1")
    else:
        print("0")
elif len(s) ==3:
    if len(set(s)) == 1:
        print("1")
    else:
        if s[0] == s[2]:
            print("0")
        else:
            print("1")
else:
    pass
if  len(s)>=2 and s[0]==s[1]:
    s = list(s)
    s[1] = str(abs(int(s[0])-1))
    s = "".join(s)
    cnt +=1
if len(s)%2 and len(s)>=4:
    for i in range(0,len(s)+1,2):
        if s[i] != s[0]:
            cnt +=1
    for i in range(1,len(s),2):
        if s[i] != s[1]:
            cnt +=1
    print(cnt)
elif len(s)%2==0 and len(s)>=4:
    for i in range(0,len(s),2):
        if s[i] != s[0]:
            cnt +=1
    for i in range(1,len(s)+1,2):
        if s[i] != s[1]:
            cnt +=1
    print(cnt)
import math
T = int(input())

for _ in range(T):
    A, B, C, D = map(int, input().split())
    #print("----", _, A, B, C, D)
    if A < B:
        print("No")
        continue
    
    if C < A%B < B:
        print("No")
        continue
    
    if D % B == 0:
        print("Yes")
        continue
    
    if D < B:
        print("No")
        continue
    
    if C+(math.gcd(B,D)) < B:
        print("No")
        continue
    
    print("Yes")

### FIXED CODE ###

T = int(input())
    
def gcd(a, b):
	while b:
		a, b = b, a % b
	return a

for _ in range(T):
    A, B, C, D = map(int, input().split())
    #print("----", _, A, B, C, D)
    if A < B:
        print("No")
        continue
    
    if C < A%B < B:
        print("No")
        continue
    
    if D % B == 0:
        print("Yes")
        continue
    
    if D < B:
        print("No")
        continue
    
    if C+(gcd(B,D)) < B:
        print("No")
        continue
    
    print("Yes")
n = int(input())
a = list(map(int, input().split()))
ans = []
for i in range(n):
    ans[a[i]] = i
print(ans)

### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
ans = [0] * n
for i in range(n):
    ans[(a[i] - 1)] = i +1
print(' '.join(map(str, ans)))
x,a,b = map(int,input().split())
print((x-(x-a)/b))

### FIXED CODE ###

x = int(input())
a = int(input())
b = int(input())
print((x-a)%b)
a,b,c = list(map(int,input().split()))
k = input()

BIG = max(a,b,c)
if BIG == a:
  print(BIG*(2**k)+b+c)
elif BIG == b:
  print(BIG*(2**k)+a+c)
else:
  print(BIG*(2**k)+a+b)


### FIXED CODE ###

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

BIG = max(a,b,c)
if BIG == a:
  print(BIG*(2**k)+b+c)
elif BIG == b:
  print(BIG*(2**k)+a+c)
else:
  print(BIG*(2**k)+a+b)
import numpy as np
num=int(input())-1
m=np.outer([a+1 for a in range(num)],[a+1 for a in range(num)])
m=np.where(m<=num,1,0)
print(np.sum(m))

### FIXED CODE ###

import numpy as np
num=int(input())
count=0
for a in range(num-1):
  tmp=int(num/(a+1))
  if num%(a+1)==0:
    count+=tmp-1
  else:
    count+=tmp
print(count)