Harryxun/stf_run huggingface dataset:
n = int(input())
x = [chr(i) for i in range(ord("a"), ord("z"))]
ans = []
while n > 26:
    ans.append(x[n%26-1])
    n //= 26
ans.append(x[n-1])
print("".join(ans[::-1]))

### FIXED CODE ###

n = int(input())
x = [chr(i) for i in range(ord("a"), ord("z")+1)]
ans = []
while n > 26:
    ans.append(x[n%26-1])
    if n%26 == 0:
        n = n//26 -1
    else:n //= 26
ans.append(x[n-1])
print("".join(ans[::-1]))
import  fractions
from functools import reduce
import sys
input = sys.stdin.readline
def main():
    n=int(input())
    a=list(map(int,input().split()))
    tmp = lcm(*a)
    mod=10**9 + 7
    m=0
    ans=0
    for i,v in enumerate(a):
        m=tmp//v
        ans+=m%mod
    ans = ans % mod
    print(ans)

def lcm_base(x, y):
    return (x * y) // math.fractions(x, y)

def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

def lcm_list(numbers):
    return reduce(lcm_base, numbers, 1)


if __name__=='__main__':
    main()


### FIXED CODE ###

import  fractions
from functools import reduce
import sys
input = sys.stdin.readline
def main():
    n=int(input())
    a=list(map(int,input().split()))
    # tmp = lcm(*a)
    mod=pow(10,9) + 7
    m=0
    ans=0
    tmp = a[0]
    for i in range(1,len(a)):
        tmp = (tmp*a[i]) // fractions.gcd(tmp,a[i])
    
    for i,v in enumerate(a):
        m=tmp//v
        ans+=m
    ans = ans % mod
    print(ans)


if __name__=='__main__':
    main()
H, W = map(int, input().split())
A = [0]
idx_list = []
for i in range(H):
    L = list(map(int, input().split()))
    M = []
    for j in range(W):
        M.append([i+1, j+1])
    if i%2 != 0:
        L.reverse()
        M.reverse()
    idx_list.extend(M)
    for j in range(W):
        A.append((A[-1]+L[j])%2)
A = A[1:-2]
a = A.index(1)
N = sum(A)
print(N)
iter = 0

while iter<N:
    if A[a] == 1:
        print(idx_list[a][0], idx_list[a][1], idx_list[a+1][0], idx_list[a+1][1])
        iter += 1
    a += 1

### FIXED CODE ###

H, W = map(int, input().split())
A = [0]
idx_list = []
for i in range(H):
    L = list(map(int, input().split()))
    M = []
    for j in range(W):
        M.append([i+1, j+1])
    if i%2 != 0:
        L.reverse()
        M.reverse()
    idx_list.extend(M)
    for j in range(W):
        A.append((A[-1]+L[j])%2)
A = A[1:-1]
N = sum(A)
print(N)
if N != 0:
    a = A.index(1)
    iter = 0

    while iter<N:
        if A[a] == 1:
            print(idx_list[a][0], idx_list[a][1], idx_list[a+1][0], idx_list[a+1][1])
            iter += 1
        a += 1
n=int(input())
l=0
p=0
for i in range(1,n+1):
  b,m=map(int,input().split())
  if l!=b+m:
    l=(l//(b+m)+1)*(b+m)
  else:
    pass
print(l)

### FIXED CODE ###

a=list(map(int,input().split()))
print(len(set(a)))
mai = n//1000
mai += 1
if mai*1000-n == 1000:
    print((mai-1)*1000-n)
else:
    print(mai*1000-n)

### FIXED CODE ###

# coding: utf-8
# Your code here!

n = int(input())
mai = n//1000
mai += 1
if mai*1000-n == 1000:
    print((mai-1)*1000-n)
else:
    print(mai*1000-n)
from collections import deque
S = list(input())
Q = int(input())
perm = 0
d = deque(S)

for i in range(0, Q):
    l = input().split()
    if len(l) == 1:
        perm += 1
    else:
        if (int(l[1])+perm) % 2 == 0:
            d.append(l[2])
        else:
            d.insert(0, l[2])
 
S0 = list(d)
if perm % 2 != 0:
    S0.reverse()
ans = ""
for i in range(0, len(S0)):
    ans = ans + S0[i]
print(ans)

### FIXED CODE ###

from collections import deque
S = list(input())
Q = int(input())
perm = 0
d = deque(S)

for i in range(0, Q):
    l = input().split()
    if len(l) == 1:
        perm += 1
    else:
        if (int(l[1])+perm) % 2 == 0:
            d.append(l[2])
        else:
            d.appendleft(l[2])
 
S0 = list(d)
if perm % 2 != 0:
    S0.reverse()
ans = ""
for i in range(0, len(S0)):
    ans = ans + S0[i]
print(ans)
from __future__ import print_function
range = xrange
input = raw_input

import sys,bisect

from sys  import stdin,stdout

from bisect import bisect_left,bisect_right,bisect,insort,insort_left,insort_right

from math import gcd,ceil,floor,sqrt

from collections import Counter,defaultdict,deque,OrderedDict

dx=[-1,1,0,0]
dy=[0,0,1,-1]


sys.setrecursionlimit(10**6)
INF = float('inf')
MOD = 998244353
mod = 10**9+7

def isPrime(n):
    if (n <= 1) :return False
    if (n <= 3) :return True
    if (n%2 == 0 or n%3 == 0):return False
    for i in range(5,ceil(sqrt(n))+1,6):
        if (n%i==0 or n%(i+2)==0):
            return False
    return True

def st():
    return list(stdin.readline().strip())

def inp():
    return int(stdin.readline())

def li():
    return list(map(int,stdin.readline().split()))

def mp():
    return map(int,stdin.readline().split())

def pr(n):
    stdout.write(str(n)+"\n")

def CC(d,v,i,l):
    v[i]=True
    stack=[i]
    c=1
    while stack:
        a=stack.pop()
        for i in d[a]:
            if not v[i]:
                stack.append(i)
                v[i]=True
                c+=1
    l.append(c)
    
def solve():
    n,m=mp()
    d={i:[] for i in range(1,n+1)}
    for i in range(m):
        a,b=mp()
        d[a].append(b)
        d[b].append(a)

    v=[False for i in range(n+1)]
    x=[]
    for i in range(1,n+1):
        if not v[i]:
            CC(d,v,i,x)


   
    cd=0
    p=sum(x)
    while p!=0:
        for i in range(len(x)):
            if x[i]>0:
                x[i]-=1
                p-=1
        cd+=1
    pr(cd)
        
        
    
for _ in range(1):
    solve()



### FIXED CODE ###

import sys,bisect

from sys  import stdin,stdout

from bisect import bisect_left,bisect_right,bisect,insort,insort_left,insort_right

from math import gcd,ceil,floor,sqrt

from collections import Counter,defaultdict,deque,OrderedDict

dx=[-1,1,0,0]
dy=[0,0,1,-1]


sys.setrecursionlimit(10**6)
INF = float('inf')
MOD = 998244353
mod = 10**9+7

def isPrime(n):
    if (n <= 1) :return False
    if (n <= 3) :return True
    if (n%2 == 0 or n%3 == 0):return False
    for i in range(5,ceil(sqrt(n))+1,6):
        if (n%i==0 or n%(i+2)==0):
            return False
    return True

def st():
    return list(stdin.readline().strip())

def inp():
    return int(stdin.readline())

def li():
    return list(map(int,stdin.readline().split()))

def mp():
    return map(int,stdin.readline().split())

def pr(n):
    stdout.write(str(n)+"\n")

def CC(d,v,i,l):
    v[i]=True
    stack=[i]
    c=1
    while stack:
        a=stack.pop()
        for i in d[a]:
            if not v[i]:
                stack.append(i)
                v[i]=True
                c+=1
    l.append(c)
    
def solve():
    n,m=mp()
    d={i:[] for i in range(1,n+1)}
    for i in range(m):
        a,b=mp()
        d[a].append(b)
        d[b].append(a)

    v=[False for i in range(n+1)]
    x=[]
    for i in range(1,n+1):
        if not v[i]:
            CC(d,v,i,x)
           
    pr(max(x))
        
        
    
for _ in range(1):
    solve()
def calc_lcs2(X, Y):
    max_lcs = 0
    m = len(X)
    n = len(Y)
    X = ' ' + X
    Y = ' ' + Y
    c = [[0]*(m+1) for i in range(n+1)]
    for i in range(1, m+1):
        for j in range(1, n+1):
            if X[i] == Y[j]:
                c[i][j] = c[i - 1][j - 1] + 1
            elif c[i - 1][j] >= c[i][j - 1]:
                c[i][j] = c[i - 1][j]
            else:
                c[i][j] = c[i][j - 1]
    for row in c:
        max_lcs = max(row)
    return max_lcs



if __name__ == '__main__':
    # ??????????????\???
    num = int(input())
    # f = open('input.txt')
    # num = int(f.readline())

    for _ in range(num):
        X = input()
        Y = input()
        # X = f.readline().strip()
        # Y = f.readline().strip()

        # ???????????????
        result = calc_lcs2(X, Y)

        # ???????????¨???
        print(result)

### FIXED CODE ###

# -*- coding: utf-8 -*-
"""
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_10_C

最長共通部分列
"""


c = []
def prep_array(X, Y):
    global c
    """ 値が0の2次元配列を用意する。サイズは入力データの最大値を想定して縦横(1000+1)以上必要。 """
    # from array import array
    # c = [array('I', [0] * (len(X)+1)) for _ in range(len(Y)+1)]  #  arrayで用意
    c = [[0]*(len(Y)+2) for _ in range(len(X)+2)] #  リストで用意
    return c


def check_max(array):
    """ 2次元配列の中の最大の値を返す """
    max_lcs = 0
    for row in array:
        temp_max = max(row)
        if temp_max > max_lcs:
            max_lcs = temp_max
    return max_lcs


def calc_lcs4(X, Y, c):
    """
    Y[j]のアクセス方法を変更
    リストの値を一旦変数に保存するように変更
    最長共通部分長を関数内で計算するように変更
    4/5 のテストデータを使用してプロファイリングすると実効時間は 5.6秒
    """
    X = ' ' + X
    Y = ' ' + Y
    m = len(X)
    n = len(Y)
    max_lcs = 0

    pre_row = c[0]
    for i in range(1, m):
        row = c[i]
        XX = X[i]
        for j, YY in enumerate(Y):
            if XX == YY:
                pr_j1 = pre_row[j - 1]
                row[j] = pr_j1 + 1
                if pr_j1+1 > max_lcs:
                   max_lcs = pr_j1 + 1
            else:
                pr_j = pre_row[j]
                r_j1 = row[j-1]
                if pr_j >= r_j1:
                    row[j] = pr_j
                else:
                    row[j] = r_j1
        pre_row = row
    return max_lcs


if __name__ == '__main__':
    # データの入力
    num = int(input())
    #f = open('input.txt')
    #num = int(f.readline())

    for _ in range(num):
        X = input().strip()
        Y = input().strip()

        # 処理の実行
        result = calc_lcs4(X, Y, prep_array(X, Y))

        # 結果の表示
        print(result)
N=int(input())
X=input()

POPCOUNT_TABLE16 = [0] * 2**16
for index in range(len(POPCOUNT_TABLE16)):
    POPCOUNT_TABLE16[index] = (index & 1) + POPCOUNT_TABLE16[index >> 1]

def popcnt5(v):
    return (POPCOUNT_TABLE16[ v        & 0xffff] +
            POPCOUNT_TABLE16[(v >> 16) & 0xffff] +
            POPCOUNT_TABLE16[(v >> 32) & 0xffff] +
            POPCOUNT_TABLE16[(v >> 48)         ])

table=[0,1]+[-1 for i in range(219998)]
for i in range(2,220000):
    table[i]=table[i%popcnt5(i)]+1

table2=[0 for i in range(N)]
moto=0
for i in range(N):
    if X[i]=='1':
        moto+=1

plus=0  #もとの数字に1のときのmodをしたやつ
minus=0

for i in range(N):
    plus+=int(X[i])*pow(2,N-1-i,moto-1)
    minus+=int(X[i])*pow(2,N-1-i,moto+1)
    plus%=(moto-1)
    minus%=(moto+1)

for i in range(N):
    ans=0
    if X[i]=='1':
        ans=plus
        ans-=pow(2,N-1-i,moto-1)
        ans%=(moto-1)
    else:
        ans=minus
        ans+=pow(2,N-1-i,moto+1)
        ans%=(moto+1)
    print(table[ans]+1)

### FIXED CODE ###

N=int(input())
X=input()

def popcnt(x):
    n=x
    res=0
    while n>0:
        res+=n%2
        n//=2
    return res

table=[0,1]+[-1 for i in range(219998)]
for i in range(2,220000):
    table[i]=table[i%popcnt(i)]+1

moto=0
for i in range(N):
    if X[i]=='1':
        moto+=1

plus=0  #もとの数字に1のときのmodをしたやつ
minus=0

for i in range(N):
    plus+=int(X[i])*pow(2,N-1-i,max(1,moto-1))
    minus+=int(X[i])*pow(2,N-1-i,moto+1)
    plus%=(max(1,moto-1))
    minus%=(moto+1)

for i in range(N):
    ans=0
    if X[i]=='1':
        ans=plus
        ans-=pow(2,N-1-i,max(1,moto-1))
        ans%=(max(1,moto-1))
        if moto==1:
            ans=-1
    else:
        ans=minus
        ans+=pow(2,N-1-i,moto+1)
        ans%=(moto+1)
    if ans==-1:
        print(0)
    else:
        print(table[ans]+1)
import sys

N,M=map(int,input().split())
l = list()
num1=str('')
num2=str('')
num3=str('')

for _ in range(M):
    l.append(input().split())
l.sort()
for i in l:
    keta_num = i[0]
    if keta_num == '1':
        if num1 == '':
            num1 = i[1]
        else:
            if num1 != i[1]:
                print('-1')
                sys.exit()
    elif keta_num == '2':
        if num2 == '':
            num2 = i[1]
        else:
            if num2 != i[1]:
                print('-1')
                sys.exit()
    else:
        if num3 == '':
            num3 = i[1]
        else:
            if num3 != i[1]:
                print('-1')
                sys.exit()
if N == 3:
    if num2 == '':num2 ='0'
    if num3 == '':num3 ='0'
elif N == 2:
    if num3 == '':num3 ='0'

ans = num1+num2+num3
ans = int(ans)
ans = str(ans)
if len(ans) == N:
    print(ans)
else:print('-1')

### FIXED CODE ###

N,M=map(int,input().split())
cnt = [-1 for _ in range(N)]
flag = True
for i in range(M):
    s,c = map(int,input().split())
    s -= 1
    if cnt[s] == -1:
        cnt[s] = c
    else:
        if cnt[s] != c:
            flag = False
            break

if cnt[0] == 0 and N > 1:
    flag = False
if cnt[0] == -1:
    cnt[0] = 0 if N ==1 else 1
if flag:
    for i in cnt:
        print(0 if i == -1 else i,end='')
else:
    print(-1)
N = int(input())
P = list(map(int,input().split()))
Q = list(map(int,input().split()))
p = sum(P)
q = sum(Q)
m = 0
l = 0
for i in range(N):
    if P[i] - Q[i] > 0:
        if (P[i] - Q[i]) % 2 == 1:
            #p += (P[i] - Q[i]) * 2
            m += (P[i] - Q[i] + 1) // 2
            l += 1
        else:
            #p += (P[i] - Q[i])
            m += (P[i] - Q[i]) // 2
    elif P[i] - Q[i] < 0:
        #q += (Q[i] - P[i])
        l += (Q[i] - P[i])

a = p + m * 2 + l
b = q + m + l


if a > b:
    print("No")
elif a == b:
    print("Yes")
else:
    if l % m == 0:
        print("Yes")
    else:
        print("No")

### FIXED CODE ###

N = int(input())
P = list(map(int,input().split()))
Q = list(map(int,input().split()))
p = sum(P)
q = sum(Q)
if P == Q:
    print("Yes")
else:
    m = 0
    l = 0
    for i in range(N):
        if Q[i] - P[i] > 0:
            if (Q[i] - P[i]) % 2 == 1:
                #p += (P[i] - Q[i]) * 2
                m += (Q[i] - P[i] + 1) // 2
                l += 1
            else:
                m += (Q[i] - P[i]) // 2
        elif Q[i] - P[i] < 0:
            #q += (Q[i] - P[i])
            l += (P[i] - Q[i])
    if m >= l:
        print("Yes")
    else:
        print("No")
S = raw_input()
price = 700 + sum(100 if c == 'o' else 0 for c in S)
print(price)

### FIXED CODE ###

S = input()
price = 700 + sum(100 if c == 'o' else 0 for c in S)
print(price)
N=int(input())
a=list(map(int,input().split()))
a.sort(reverse=True)

print(sum(N//3:2N//3))

### FIXED CODE ###

N=int(input())
a=list(map(int,input().split()))
a.sort(reverse=True)

#print(a)
print(sum( a[1:2*N:2] ))
from math import gcd


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()


### FIXED CODE ###

#!/snap/bin/pypy3
def gcd(a, b):
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()
N = int(input())
a = str(N)[0]+"0"
if N%2==1:
  print(0)
else:
  if N >= 24:
    print(int(a)**(len(str(N))-2)+25*10**(len(str(N))-4)-5)
  else:
    print(int(a)**(len(str(N))-2))

### FIXED CODE ###

N = int(input())
num = 10
cnt = 0
if N%2!=0:
  print(0)
  exit()
for i in range(1, N+1):
  cnt += N//num
  num = num*5
  if num > N:
    break
print(cnt)
import collections

a, b, k = map(int, input().split())
numbers = list(range(a, b + 1))
ans = []
ans.extend(numbers[:k])
ans.extend(numbers[len(numbers) - k:])
ans_count = collections.Counter(ans)
for out in ans_count.keys():
    print(out)


### FIXED CODE ###

a, b, k = map(int, input().split())
for i in range(a, min(b, a + k - 1) + 1):
    print(i)
for i in range(max(b - k + 1, a + k), b + 1):
    print(i)
input = raw_input()
print input * input * input

### FIXED CODE ###

input = raw_input()
print int(input) ** 3
a=input().split(' ')
m=len()
b=0
while b<m:
    if a[b]=='0':
        print(b)
    m=m+1

### FIXED CODE ###

a=input().split(' ')
m=len(a)
b=0
while b<m:
    if a[b]=='0':
        print(b+1)
    b=b+1
# ABC148 E
si = lambda: input()
ni = lambda: int(input())
nm = lambda: map(int, input().split())
nl = lambda: list(map(int, input().split()))
import math
n=ni()

if n==0:
    print(0)

if n%2==1:
    print(0)
    exit()

five=math.floor(math.log(n,5))
ans=0

# for i in range(five):
for j in range(five):
    t=n//(5**(five-j))
    ans+=t//2
print(ans)


### FIXED CODE ###

# ABC148 E
si = lambda: input()
ni = lambda: int(input())
nm = lambda: map(int, input().split())
nl = lambda: list(map(int, input().split()))
import math
n=ni()

if n==0:
    print(0)
    exit()

if n%2==1:
    print(0)
    exit()

five=math.floor(math.log(n,5))
ans=0

# for i in range(five):
for j in range(five):
    t=n//(5**(five-j))
    ans+=t//2
print(ans)
a,b,c=input().split()

if a[0]==b[-1] anb [0] == c[-1]:
  print('YES')
else:
  print('NO')


### FIXED CODE ###

a,b,c=input().split()
 
if a[-1]==b[0] and b[-1] == c[0]:
  print('YES')
else:
  print('NO')
N,A,B=list(map(int,input().split()))
print(min(A*T, B))


### FIXED CODE ###

N,A,B=list(map(int,input().split()))
print(min(N*A, B))
X,N = map(int, input().split())
P = list(map(int, input().split()))

if P.len == 0:
  print(X)
else:
  for i in range(X,1):
    if P.index(X-i) == 0:
      print(X-i)
      break
    elif P.index(X+1) == 0:
      print(X+1)
      break
    else:
      continue

### FIXED CODE ###

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

if len(P) == 0:
  print(X)
else:
  for i in range(0,10000):
    if P.count(X-i) == 0:
      print(X-i)
      break
    elif P.count(X+i) == 0:
      print(X+i)
      break
    else:
      continue
def main():
    N=int(input())
    A=[int(_) for _ in input().split()]

    def dp(i,k):
        if k<=0:
            return 0
        tmp=N-i
        if k>(tmp//2)+(tmp%2):
            return -float('inf')
        return max(A[i]+dp(i+2,k-1),dp(i+1,k))
    print(dp(0,N//2))

main()


### FIXED CODE ###

def main():
    N=int(input())
    A=[int(_) for _ in input().split()]
    dp=[[0,0,0] for _ in range(N//2+1)]
    for i in range(N//2):
        dp[i+1][0]=dp[i][0]+A[i*2]
        dp[i+1][1]=max(dp[i][1],dp[i][0])+A[i*2+1]
        if N%2:
            dp[i+1][2]=max(dp[i][2],dp[i][1],dp[i][0])+A[i*2+2]
    if N%2:
        print(max(dp[-1]))
    else:
        print(max(dp[-1][:2]))

main()
a,b = map(int, input().split())
L = []
for i in range (a,b+1):
  L.append(i)
P = 1
for j in L:
  P *= j
if P > 0:
  print('Positive')
elif P = 0:
  print('Zero')
else:
  print('Negetive')

### FIXED CODE ###

a,b = map(int, input().split())
if a > 0:
  print("Positive")
elif b<0:
  if((b-a)%2 == 0):
    print("Negative")
  else:
    print("Positive")
else:
  print("Zero")
N = int(input())
lst = list(map(int, input().split()))
ret = 0
for idx_a, a in enumerate(lst[:-2]):
    for idx_b, b in enumerate(lst[idx_a + 1:-1]):
        for idx_c, c in enumerate(lst[idx_a + idx_b + 2:]):
            if a < b + c and b < c + a and c < a + b:
                ret += 1
print(ret)

### FIXED CODE ###

A, B = map(int, input().split())
print(max(0, A - B * 2))
l=lambda:map(int, input().split())
n,m=l()
p=[-1]*n
p=[-1]*n
def root(x):
  if p[x]<0:return x
  return (x:=root(p[x]))
def union(x,y):
  x,y=root(x),root(y)
  if x==y: return
  p[x]+=p[y]
  p[y]=x
def same(x,y):
  return root(x)==root(y)
def size(x):
  return -p[r(x)]
for _ in range(m):
  a,b=l()
  union(a-1,b-1)
print(-min(p))

### FIXED CODE ###

l=lambda:map(int, input().split())
n,m=l()
p=[-1]*n
def r(x):
  if p[x]<0:return x
  p[x]=r(p[x]);return r(p[x])
def u(x,y):
  x,y=r(x),r(y)
  if x==y: return  
  p[x]+=p[y]
  p[y]=x
def e(x,y):
  return r(x)==r(y)
def s(x):
  return -p[r(x)]
for _ in range(m):
  a,b=l()
  u(a-1,b-1)
print(-min(p))
o=input()
e=input()
ans=[]
for i in range(len(0)):
  ans.append(o[i])
  if i<len(e):
    ans.append(e[i])
print("".join(ans))

### FIXED CODE ###

o=input()
e=input()
ans=[]
for i in range(len(o)):
  ans.append(o[i])
  if i<len(e):
    ans.append(e[i])
print("".join(ans))
n=int(input())
mod=10**9+7
l=[[]for i in range(n+1)]
for i in range(n-1):
    a,b=map(int,input().split())
    l[a].append(b)
    l[b].append(a)
def dp(x,par):
    res_w,res_t=1,1
    for y in l[x]:
        if y==par:
            continue
        w,t=dp(y,x)
        res_w=(res_w*w)%mod
        res_t=(res_t*t)%mod
    w,t=res_t,(res_t+res_w)%mod
    return w,t
print(dp(1,0)[1])

### FIXED CODE ###

import sys
input=sys.stdin.readline
mod=10**9+7

n=int(input())
e=[[] for i in range(n)]
dp=[[0,0] for i in range(n)]
for i in range(n-1):
    a,b=[int(j)-1 for j in input().split()]
    e[a].append(b)
    e[b].append(a)

par=[-1]*(n)
l=[]
from collections import deque
q=deque([0])
while q:
    p=q.pop()
    l.append(p)
    for i in e[p]:
        if i==par[p]:
            continue
        par[i]=p
        q.append(i)

dpw=[1]*(n+1)
dpb=[1]*(n+1)

for i in l[::-1]:
    w=dpw[i]
    b=dpb[i]
    p=par[i]
    dpw[p]*=(b+w)
    dpw[p]%=mod
    dpb[p]*=w
    dpb[p]%=mod

print((dpw[0]+dpb[0])%mod)
import sympy
N = int(input())

out=0
for i in range(1,N+1):
    out+=i * len(sympy.divisors(i))
print(out)

### FIXED CODE ###

N = int(input())

yaku = [0]*(N+1)
for i in range(1,N+1):
    yaku[i] = ((N//i)/2) * (2*i + ((N//i)-1)*i)

print(int(sum(yaku)))
n,k=map(int, input().split())
String=input()
String=list(String)
String[k]=String[k].lower()
String="".join(String)
print(String)

### FIXED CODE ###

n,k=map(int, input().split())
String=input()
String=list(String)
String[k-1]=String[k-1].lower()
String="".join(String)
print(String)
N = input()
ABCDE = []
for i in range(5):
    A = input()
    ABCDE.append(A)
m = min(ABCDE)
if N % n == 0:
    print(N // m)
else:
    print(N // m + 1)

### FIXED CODE ###

N = int(input())
A = int(input())
B = int(input())
C = int(input())
D = int(input())
E = int(input())
m = min(A, B, C, D, E)
if N % m == 0:
    print(N // m + 4)
else:
    print(N // m + 5)
r = input()
suq = r * r
print(suq)

### FIXED CODE ###

r = input()
suq = int(r) * int(r)
print(suq)
n = int(input())
b=[0]*100000
for i in range(n):
  j=int(input())
  if b[j]:
    b[j]=0
  else:
    b[j]=1
print(sum(b))

### FIXED CODE ###

from collections import Counter 
n=int(input())
a=Counter([int(input()) for _ in range(n)])
ans=0
for i in a.values():
  ans+=i%2
print(ans)
N=int(input())
X=input()
X10=int(X,2)
one=X.count('1')
a=X10%(one-1)
b=X10%(one+1)
c=one-1
d=one+1
def popcount(n):
  c=format(n,'b').count('1')
  return n%c
def f(n):
  count=0
  while n>0:
    n=popcount(n)
    count+=1
  return count

for i in range(N):
  if X[i]=='1':
    Y=(a-pow(2,N-i-1,c))%c
    print(f(Y)+1)
  if X[i]=='0':
    Y=(b+pow(2,N-i-1,d))%d
    print(f(Y)+1)

### FIXED CODE ###

N=int(input())
X=input()
X10=int(X,2)
one=X.count('1')
def popcount(n):
  c=format(n,'b').count('1')
  if c!=0:
    return n%c
  else:
    return 0
def f(n):
  count=0
  while n>0:
    n=popcount(n)
    count+=1
  return count
if one==1:
  e=X10%2
  for i in range(N):
    if X[i]=='0':
      Y=e+pow(2,N-i-1,2)
      print(f(Y)+1)
     
    elif X[i]=='1':
      print(0)
if one==0:
  for i in range(N):
    print(1)
if one>1:
  a=X10%(one-1)
  b=X10%(one+1)
  c=one-1
  d=one+1
  for i in range(N):
    if X[i]=='1':
      Y=(a-pow(2,N-i-1,c))%c
      print(f(Y)+1)
    if X[i]=='0':
      Y=(b+pow(2,N-i-1,d))%d
      print(f(Y)+1)