Harryxun/sft_time huggingface dataset:
### BUGGY CODE ###

def popcount(x):
    x = x - ((x >> 1) & 0x5555555555555555)
    x = (x & 0x3333333333333333) + ((x >> 2) & 0x3333333333333333)
    x = (x + (x >> 4)) & 0x0f0f0f0f0f0f0f0f
    x = x + (x >> 8) 
    x = x + (x >> 16) 
    x = x + (x >> 32) 
    return x & 0x0000007f
f=popcount
a=[]
n=int(input())
for _ in range(n):
    a.append(tuple(map(int,input().split())))

S=1<<n
dp=[0]*(S)


dp[0]=1

for s in range(1,S):
    i=f(s)
    for j in range(n):
        if s>>j&1:
            if a[i-1][j]:
                dp[s]+=dp[s-(1<<j)]
        else:
            dp[s]%=10**9+7
            continue
# print(dp)
print(dp[S-1]%(10**9+7))


### FIXED CODE ###

def popcount(x):
    x = x - ((x >> 1) & 0x5555555555555555)
    x = (x & 0x3333333333333333) + ((x >> 2) & 0x3333333333333333)
    x = (x + (x >> 4)) & 0x0f0f0f0f0f0f0f0f
    x = x + (x >> 8) 
    x = x + (x >> 16) 
    x = x + (x >> 32) 
    return x & 0x0000007f
f=popcount
a=[]
n=int(input())
for _ in range(n):
    a.append(tuple(map(int,input().split())))

S=1<<n
dp=[0]*(S)


dp[0]=1

for s in range(1,S):
    i=f(s)
    for j in range(n):
        if s>>j&1:
            if a[i-1][j]:
                dp[s]+=dp[s-(1<<j)]
        else:
            dp[s]%=10**9+7
            continue
# print(dp)
print(dp[S-1]%(10**9+7))
### BUGGY CODE ###

N,S = map(int,input().split())
A = list(map(int,input().split()))
dp = [[0]*(S+2) for i in range(N+1)]
dp[0][0] = 1
mod = 998244353
for i,a in enumerate(A):
    for j in range(S+1):
        if j-a >= 0:
            dp[i+1][j] = (dp[i][j]*2+dp[i][j-a])%mod
        else:
            dp[i+1][j] = dp[i][j]*2%mod
print(dp[N][S])


### FIXED CODE ###

N,S = map(int,input().split())
A = list(map(int,input().split()))
dp = [[0 for j in range(S+2)] for i in range(N+1)]
dp[0][0] = 1
mod = 998244353
for i,a in enumerate(A):
    for j in range(S+1):
        if j-a >= 0:
            dp[i+1][j] = (dp[i][j]*2+dp[i][j-a])%mod
        else:
            dp[i+1][j] = dp[i][j]*2%mod

print(dp[N][S])
### BUGGY CODE ###

n,m = map(int,input().split())
lst = [list(map(int,input().split())) for _ in range(m)]
pf = [(i, []) for i in range(100010)]
for p,y in lst:
    pf[p][1].append(y)
for i in range(len(pf)):
    l = sorted(pf[i][1])
    pf[i] = (i, l)
for p,y in lst:
    print(str(p).zfill(6)+str(pf[p][1].index(y)+1).zfill(6))

### FIXED CODE ###

n,m = map(int,input().split())
city_inf = []
for i in range(m):
    array = [i]
    array.extend(list(map(int,input().split())))
    city_inf.append(array)

city_inf.sort(key=lambda x:x[2])
order_counter = {}

for list in city_inf:
    if list[1] in order_counter.keys():
        order_counter[list[1]] += 1
        list.append(order_counter[list[1]])
    else:
        order_counter[list[1]] = 1
        list.append(1)

city_inf.sort(key=lambda x:x[0])
zero_p = ''
zero_y = ''
for list in city_inf:
    zero_p = '0'*(6-len(str(list[1])))
    zero_y = '0'*(6-len(str(list[3])))
    list.append(zero_p + str(list[1]) + zero_y + str(list[3]))
    print(list[4])
### BUGGY CODE ###

N = int(input())
f = lambda x,y,z:x**2+y**2+z**2+x*y+y*z+z*x

for n in range(1, N+1):
    ans = 0
    for x in range(1, int(n**0.5)+1):
        if f(x,0,0)>n:
            break
        for y in range(1, int(n**0.5)+1):
            if f(x,y,0)>n:
                break
            for z in range(1, int(n**0.5)+1):
                if f(x,y,z)>n:
                    break
                elif f(x,y,z)==n:
                    ans += 1
    print(ans)

### FIXED CODE ###

def solve():
    N = int(input())
    f = lambda x,y,z:x*x+y*y+z*z+x*y+y*z+z*x
    MAX = 10000

    ans = [0]*(MAX+1)
    for x in range(1, 101):
        if f(x,0,0)>MAX:
            break
        for y in range(1, 101):
            if f(x,y,0)>MAX:
                break
            for z in range(1, 101):
                if f(x,y,z)>MAX:
                    break
                ans[f(x,y,z)]+=1
    for i in range(1, N+1):
        print(ans[i])

if __name__ == "__main__":
    solve()
### BUGGY CODE ###

import sys
input = sys.stdin.readline
 
 
def main():
    H, W = map(int, input().split())

    S = []
    for _ in range(H):
        S.append(list(input()[:-1]))
    
    U = [[0]*W for _ in range(H)]
    for i in range(H):
        for j in range(W):
            if S[i][j]=='#':
                continue
            if i==0:
                U[i][j] = 1
            else:
                U[i][j] = U[i-1][j] + 1

    D = [[0]*W for _ in range(H)]
    for i in reversed(range(H)):
        for j in range(W):
            if S[i][j]=='#':
                continue
            if i==H-1:
                D[i][j] = 1
            else:
                D[i][j] = D[i+1][j] + 1
    
    L = [[0]*W for _ in range(H)]
    for j in range(W):
        for i in range(H):
            if S[i][j]=='#':
                continue
            if j==0:
                L[i][j] = 1
            else:
                L[i][j] = L[i][j-1] + 1

    R = [[0]*W for _ in range(H)]
    for j in reversed(range(W)):
        for i in range(H):
            if S[i][j]=='#':
                continue
            if j==W-1:
                R[i][j] = 1
            else:
                R[i][j] = R[i][j+1] + 1

    ans = 0
    for i in range(H):
        for j in range(W):
            ans = max(ans, U[i][j] + D[i][j] + L[i][j] + R[i][j] - 3)
    print(ans)

 
if __name__ == '__main__':
    main()


### FIXED CODE ###

import sys
input = sys.stdin.readline
 
 
def main():
    H, W = map(int, input().split())

    S = []
    for _ in range(H):
        S.append(list(input()[:-1]))
    
    U = [[0]*W for _ in range(H)]
    for i in range(H):
        for j in range(W):
            if S[i][j]=='#':
                continue
            if i==0:
                U[i][j] = 1
            else:
                U[i][j] = U[i-1][j] + 1

    D = [[0]*W for _ in range(H)]
    for i in reversed(range(H)):
        for j in range(W):
            if S[i][j]=='#':
                continue
            if i==H-1:
                D[i][j] = 1
            else:
                D[i][j] = D[i+1][j] + 1
    
    L = [[0]*W for _ in range(H)]
    for j in range(W):
        for i in range(H):
            if S[i][j]=='#':
                continue
            if j==0:
                L[i][j] = 1
            else:
                L[i][j] = L[i][j-1] + 1

    R = [[0]*W for _ in range(H)]
    for j in reversed(range(W)):
        for i in range(H):
            if S[i][j]=='#':
                continue
            if j==W-1:
                R[i][j] = 1
            else:
                R[i][j] = R[i][j+1] + 1

    ans = 0
    for i in range(H):
        for j in range(W):
            ans = max(ans, U[i][j] + D[i][j] + L[i][j] + R[i][j] - 3)
    print(ans)

 
if __name__ == '__main__':
    main()
### BUGGY CODE ###

n = int(input().rstrip())

sa = []
for i in range(n):
    line = input().rstrip()
    f = True
    for s in sa:
        if s == line:
            f = False
            break
    
    if f == True:
        sa.append(line)

print(len(sa))


### FIXED CODE ###

n = int(input().rstrip())

sa = []
for i in range(n):
    line = input().rstrip()
    sa.append(line)

print(len(set(sa)))
### BUGGY CODE ###

n, m = map(int, input().split())
a = list([int(x) for x in input().split()])
 
for i in range(m):
    a[a.index(max(a))] = max(a)//2
print(sum(a))

### FIXED CODE ###

import heapq
n, m = map(int, input().split())
a = [-int(x) for x in input().split()]
heapq.heapify(a)

for i in range(m):
    l = -heapq.heappop(a)
    heapq.heappush(a, -(l//2))
    
print(-sum(a))
### BUGGY CODE ###

import numpy as np
n=int(input()) 
L=list(map(int, input().split())) 
L.sort(reverse = True)
L = np.array(L)
count = 0
            
for i in range(n-1):
  for k in range(i+1,n-1):
    a,b =L[i],L[k]
    L_temp = L[k+1:]
    count = count + np.count_nonzero(L_temp+b > a)
    
print(count)

### FIXED CODE ###

import bisect
n=int(input()) 
L=list(map(int, input().split())) 
L.sort()

count = 0        
for i in range(n-2):
  a = L[i]
  for k in range(i+1,n-1):
    b = L[k]

    count += bisect.bisect_left(L, a + b) - k -1
print(count)
### BUGGY CODE ###

import sys

H,W = map(int,input().split())
grids = [[s for s in sys.stdin.readline()] for _ in range(H)]

col_cnt = [[0 for _ in range(W)]for _ in range(H)]
for i in range(W):
  tmp_cnt = 0
  prvjj = 0
  for j in range(H):
    if grids[j][i] == '.':
      tmp_cnt += 1
    else:
      col_cnt[j][i] = 0
      for jj in range(prvjj,j):
        col_cnt[jj][i] = tmp_cnt
      prvjj = j+1
      tmp_cnt = 0
  for jj in range(prvjj,H):
    col_cnt[jj][i] = tmp_cnt

row_cnt = [[0 for _ in range(W)]for _ in range(H)]
for j in range(H):
  tmp_cnt = 0
  prvii = 0
  for i in range(W):
    if grids[j][i] == '.':
      tmp_cnt += 1
    else:
      row_cnt[j][i] = 0
      for ii in range(prvii,i):
        row_cnt[j][ii] = tmp_cnt
      prvii = i+1
      tmp_cnt = 0
  for ii in range(prvii,W):
    row_cnt[j][ii] = tmp_cnt

print(max([row_cnt[j][i]+col_cnt[j][i]-1 for i in range(W) for j in range(H)]))

### FIXED CODE ###

import sys

H,W = map(int,input().split())
grids = [[s for s in sys.stdin.readline()] for _ in range(H)]

col_cnt = [[0 for _ in range(W)]for _ in range(H)]
for i in range(W):
  tmp_cnt = 0
  prvjj = 0
  for j in range(H):
    if grids[j][i] == '.':
      tmp_cnt += 1
    else:
      col_cnt[j][i] = 0
      for jj in range(prvjj,j):
        col_cnt[jj][i] = tmp_cnt
      prvjj = j+1
      tmp_cnt = 0
  for jj in range(prvjj,H):
    col_cnt[jj][i] = tmp_cnt

ans = -float('inf')
for j in range(H):
  tmp_cnt = 0
  prvii = 0
  for i in range(W):
    if grids[j][i] == '.':
      tmp_cnt += 1
    else:
      for ii in range(prvii,i):
        ans = max(ans,col_cnt[j][ii]+tmp_cnt-1)
      prvii = i+1
      tmp_cnt = 0

  for ii in range(prvii,W):
    ans = max(ans,col_cnt[j][ii]+tmp_cnt-1)

print(ans)
### BUGGY CODE ###

import math
n=int(input())
for i in range(1,n+1):
  max = int(math.sqrt(i))
  result = 0
  for x in range(1,max+1):
    for y in range(1,max+1):
      for z in range(1,max+1):
        if x * x + y * y + z * z + x * y + y * z + x * z == i:
          result += 1
  print(result)

### FIXED CODE ###

nn=int(input())
nc = [0] * (nn + 1)
for x in range(1, 100):
  for y in range(1, 100):
    for z in range(1, 100):
      a = x * x + y * y + z * z + x * y + x * z + y * z
      if a > nn:
        break
      nc[a] += 1
for i in range(1, nn + 1):
  print(nc[i])
### BUGGY CODE ###

n, m = map(int, input().split())
ab = [[0, 0]] * m
for i in range(m):
    a, b = map(int, input().split())
    if a == 1 or b == n:
        ab[i] = [a, b]
contain_one = [j for i, j in ab if i == 1]
string_ab = [str(k)+str(l) for k, l in ab]

for b in contain_one:
    if str(b)+str(n) in set(string_ab):
        print("POSSIBLE")
        exit()
else:
    print("IMPOSSIBLE")


### FIXED CODE ###

n, m = map(int, input().split())
ab = []
for i in range(m):
    a, b = map(int, input().split())
    if a == 1:
        ab.append(b)
    if b == n:
        ab.append(a)

if len(ab) != len(set(ab)):
        print("POSSIBLE")
        exit()
else:
    print("IMPOSSIBLE")
### BUGGY CODE ###

import numpy as np
N,S,Q,*K = open(0).read().split()
N = int(N)
Q = int(Q)
K = map(int,K)
S = np.array(list(S))
C = S=='C'
M = S=='M'

for k in K:
  CMS = [0]*N
  SDMC = 0
  SMC = 0
  SC = 0
  Ms = 0
  for i in range(N):
    if i>=k:
      Ms -= M[i-k]
    if S[i]=='C':
      CMS[i] = Ms
    elif S[i]=='M':
      Ms += 1
  for i in range(N-1,-1,-1):
    if i<=N-1-k:
      SC -= C[i+k]
      SMC -= CMS[i+k]
    if S[i]=='C':
      SC += 1
    elif S[i]=='M':
      SMC += SC
    elif S[i]=='D':
      SDMC += SMC
  print(SDMC)

### FIXED CODE ###

import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

import numpy as np

N = int(readline())
S = np.frombuffer(readline().rstrip(),'S1')
Q = int(readline())
query = map(int,read().split())

isD = S == b'D'
isM = S == b'M'
isC = S == b'C'

cumD = isD.cumsum(dtype=np.int64)
cumM = isM.cumsum(dtype=np.int64)

def F(K):
    """
    ・Cごとに数える。
    ・そのためには(i-K,i] 内のDMの個数を調べる（負インデックスには関係ない文字があると思っておく）
    ・区間内のDの個数、Mの個数が取得できれば、差分が取得できるので最後に累積和
    """
    # (i-K,i]内のDの個数、Mの個数
    D = cumD.copy(); D[K:] -= cumD[:-K]
    M = cumM.copy(); M[K:] -= cumM[:-K]
    # 最後がMのとき、Dの個数分増える
    DM = isM * D
    # 左端のDを捨てるとき、Mの個数分減る
    DM[K:] -= isD[:-K] * M[K-1:-1]
    np.cumsum(DM,out=DM)
    # Cごとに集計
    return DM[isC].sum()

print('\n'.join(str(F(K)) for K in query))
### BUGGY CODE ###

s_l = list(input())
count_tot = 0

while True:
    count = 0
    for i in range(len(s_l)-1):
        if s_l[i] == 'B' and s_l[i+1] == 'W':
            s_l[i] = 'W'
            s_l[i+1] = 'B'
            count += 1
    count_tot += count
    if count == 0:
        break

print(count_tot)

### FIXED CODE ###

s_l = list(input())
count_tot = 0
count = 0

for i in range(len(s_l)):
    if s_l[i] == 'W':
        count_tot += i - count
        count += 1

print(count_tot)
### BUGGY CODE ###

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

from collections import Counter
ac = Counter(A)

ans = 0
td = dict()
for k, v in ac.items():
    da = v // 3
    ma = v % 3
    t = da + ma
    while t >= 3:
        da = v // 3
        ma = v % 3
        t = da + ma
    
    td[k] = t

ans = 0
two = 0
for k, v in td.items():
    if v == 1:
        ans += 1
    else:
        two += 1

if two % 2 == 0:
    ans += two
else:
    two -= 1

print(ans)

### FIXED CODE ###

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

from collections import Counter
ac = Counter(A)

td = dict()
for k, v in ac.items():
    if v % 2 == 0:
        td[k] = 2
    else:
        td[k] = 1

ans = 0
two = 0
for k, v in td.items():
    if v == 1:
        ans += 1
    else:
        two += 1

if two % 2 == 0:
    ans += two
else:
    two -= 1
    ans += two

print(ans)
### BUGGY CODE ###

from collections import Counter
n=int(input())
s=[]
dp=[False]*n
ans=0
for _ in range(n):
    s.append(input())
for i in range(n):
    for j in range(i):
        if not dp[i]:
            dp[i]=Counter(s[i])
        if not dp[j]:
            dp[j]=Counter(s[j])
        if dp[i]==dp[j]:
            ans+=1
print(ans)

### FIXED CODE ###

from collections import defaultdict
n=int(input())
d=defaultdict(int)
ans=0
for _ in range(n):
    d["".join(sorted(input()))]+=1
# print(d)
for key,i in d.items():
    ans+=i*(i-1)//2
print(ans)
### BUGGY CODE ###

from sys import stdin
import math
import fractions
from collections import deque
from collections import Counter
import itertools

INF = 10 ** 10

import sys
sys.setrecursionlimit(100000)

# N <= 2*10^5
# Q <= 2*10^5
N, Q = [int(x) for x in stdin.readline().rstrip().split()]
#ab = [list(map(int, stdin.readline().rstrip().split())) for _ in range(N-1)]
#px = [list(map(int, stdin.readline().rstrip().split())) for _ in range(Q)]

ans = [0] * (N+1)
child = []
for _ in range(N+1):
    child.append([])

def add(node, num):
    for x in child[node]:
        add(x, num)

    ans[node] += num

for a, b in [list(map(int, stdin.readline().rstrip().split())) for _ in range(N-1)]:
    child[a].append(b)

#print(child)

for p, x in [list(map(int, stdin.readline().rstrip().split())) for _ in range(Q)]:
    add(p, x)

print(*ans[1:], sep=" ")

### FIXED CODE ###

from sys import stdin
import math
import fractions
from collections import deque
from collections import Counter
import itertools

INF = 10 ** 10

# N <= 2*10^5
# Q <= 2*10^5
N, Q = [int(x) for x in stdin.readline().rstrip().split()]
ab = [list(map(int, stdin.readline().rstrip().split())) for _ in range(N-1)]
px = [list(map(int, stdin.readline().rstrip().split())) for _ in range(Q)]

node_value = [0] * (N+1)
parent = [-1] * (N+1)

for a, b in ab:
    parent[b] = a

for p, x in px:
    node_value[p] += x

#print(parent)

ans = [0] * (N+1)

for i in range(1, N+1):
    ans[i] = node_value[i]
    if parent[i] != -1:
        ans[i] += ans[parent[i]]

print(*ans[1:], sep=" ")
### BUGGY CODE ###

n = int(input())

input_patterns = []

patterns = []

a_max = ord('z')
a_min = ord('a')


def init_key():
    ini_key = []
    for i in range(26):
        ini_key.append(0)
    return ini_key

for i in range(n):
    val = input()
    input_patterns.append(val)

#input_patterns = ['acornistnt', 'peanutbomb', 'constraint']
    
for inp in input_patterns:
    key = init_key()
    for j in range(len(inp)):
        # make [0, 0, 1, 0, 2, 3, ...]
        #       a  b  c  d  e  f  
        for k in range(26):
            if inp[j] == chr(ord('a') + k):
                key[k] = key[k] + 1

    patterns.append(key)

result = 0

for i in range(len(patterns) - 1):
    for j in range(i+1, len(patterns)):
#        print('comparing s{} s{}'.format(i, j))
        if patterns[i] == patterns[j]:
            result = result + 1

print('{}'.format(result))


### FIXED CODE ###

n = int(input())

input_patterns = []

patterns = {}

def init_key():
    ini_key = []
    for i in range(26):
        ini_key.append(0)
    return ini_key

for i in range(n):
    val = input()
    input_patterns.append(val)

count = 0
for inp in input_patterns:
    key = sorted(inp)
    skey = ''

    for k in range(len(key)):
        skey = skey + key[k]

    if skey in patterns:
        patterns[skey] = patterns[skey] + 1
    else:
        patterns[skey] = 1

    if patterns[skey] > 1:
        count = count + patterns[skey] - 1
    
print('{}'.format(count))
### BUGGY CODE ###

def main():
    n = int(input())
    a = ord("a")
    orda = lambda x: ord(x)-a
    s = list(map(orda, list(input())))
    q = int(input())
    bits = [BIT(n) for _ in range(26)]
    for i, si in enumerate(s, 1):
        bits[si].add(i, 1)
    for _ in range(q):
        t, i, c = input().split()
        i = int(i)
        if t == "1":
            bits[s[i-1]].add(i, -1)
            bits[ord(c)-a].add(i, 1)
            s[i-1] = ord(c)-a
        else:
            c = int(c)
            cnt = 0
            for bit in bits:
                is_in = bit.sum_(c) - bit.sum_(i-1)
                if is_in:
                    cnt += 1
            print(cnt)
            
            
class BIT:
    __slots__ = ["length", "data"]
    def __init__(self, length):
        self.data = [0]*(length+1)
        self.length = length
    
    def add(self, i, x):
        while i < self.length+1:
            self.data[i] += x
            i += i&-i
    
    def sum_(self, i):
        x = 0
        while i > 0:
            x += self.data[i]
            i -= i&-i
        return x


if __name__ == "__main__":
    main()


### FIXED CODE ###

def main():
    n = int(input())
    a = ord("a")
    orda = lambda x: ord(x)-a
    s = list(map(orda, list(input())))
    q = int(input())
    bits = [BIT(n) for _ in range(26)]
    for i, si in enumerate(s, 1):
        bits[si].add(i, 1)
    for _ in range(q):
        t, i, c = input().split()
        i = int(i)
        if t == "1":
            bits[s[i-1]].add(i, -1)
            bits[ord(c)-a].add(i, 1)
            s[i-1] = ord(c)-a
        else:
            c = int(c)
            cnt = 0
            for bit in bits:
                is_in = bit.sum_(c) - bit.sum_(i-1)
                if is_in:
                    cnt += 1
            print(cnt)
            
            
class BIT:
    __slots__ = ["length", "data"]
    def __init__(self, length):
        self.data = [0]*(length+1)
        self.length = length
    
    def add(self, i, x):
        while i < self.length+1:
            self.data[i] += x
            i += i&-i
    
    def sum_(self, i):
        x = 0
        while i > 0:
            x += self.data[i]
            i -= i&-i
        return x


if __name__ == "__main__":
    main()
### BUGGY CODE ###

from fractions import gcd

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

max_divs = gcd(A, B)

divs = []
for i in range(1, max_divs+1):
    if max_divs % i == 0:
        divs.append(i)

results = []
for div in divs[1:]:
    flag = True
    for result in results:
        if div % result == 0:
            flag = False
            break
    if flag:
        results.append(div)

print(len(results) + 1)

### FIXED CODE ###

from fractions import gcd

def FindAllDivisors(x):
    divList = []
    y = 1
    while y <= x**0.5:
        if x % y == 0:
            divList.append(y)
            divList.append(int(x / y))
        y += 1
    return sorted(list(set(divList)))

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

max_divs = gcd(A, B)
divs = FindAllDivisors(max_divs)

results = []
for div in divs[1:]:
    flag = True
    for result in results:
        if div % result == 0:
            flag = False
            break
    if flag:
        results.append(div)

print(len(results) + 1)
### BUGGY CODE ###

def ri():
    return int(input())


def rii():
    return [int(v) for v in input().split()]


def solve():
    N = ri()
    ans = 0
    for a in range(1, N):
        for b in range(1, N):
            if a * b < N:
                ans += 1
    print(ans)


if __name__ == "__main__":
    solve()

### FIXED CODE ###

def ri():
    return int(input())


def rii():
    return [int(v) for v in input().split()]


def solve():
    N = ri()
    ans = 0
    for a in range(1, N):
        b = 1
        while b * a < N:
            ans += 1
            b += 1
    print(ans)


if __name__ == "__main__":
    solve()
### BUGGY CODE ###

from collections import deque

n = int(input())
s = input()
cp = []
count_a = 0
for i, c in enumerate(s):
    if c == 'D':
        cp.append((0, i))
        count_a += 1
    elif c == 'M':
        cp.append((1, i, count_a))
    elif c == 'C':
        cp.append((2, i))

i = 0
while i < len(cp) and cp[i][0] != 0:
    i += 1
cp = cp[i:]
while cp and cp[-1][0] != 2:
    cp.pop()

q = int(input())
buf = []
for k in map(int, input().split()):
    ans = 0
    l = 0
    rejected_a = 0
    count_internal_b = 0
    sum_internal_b = 0
    for r, item in enumerate(cp):
        # print(deq, count_a, rejected_a, count_internal_b, sum_internal_b)
        if item[0] == 1:
            count_internal_b += 1
            sum_internal_b += item[2]
        elif item[0] == 2:
            left_limit = item[1] - k
            while l < r and cp[l][1] <= left_limit:
                old_item = cp[l]
                if old_item[0] == 0:
                    rejected_a += 1
                elif old_item[0] == 1:
                    count_internal_b -= 1
                    sum_internal_b -= old_item[2]
                l += 1
            ans += sum_internal_b - rejected_a * count_internal_b
            # print(ans, l, r, rejected_a, count_internal_b, sum_internal_b)
    buf.append(ans)
print('\n'.join(map(str, buf)))


### FIXED CODE ###

from itertools import accumulate

n = int(input())
s = input()
acc_cnt_a = [0] * (n + 1)
acc_cnt_b = [0] * (n + 1)
acc_cnt_ab = [0] * (n + 1)
c_loc = []
cnt_a = 0
for i, c in enumerate(s):
    if c == 'D':
        acc_cnt_a[i] += 1
        cnt_a += 1
    elif c == 'M':
        acc_cnt_b[i] += 1
        acc_cnt_ab[i] += cnt_a
    elif c == 'C':
        c_loc.append(i + 1)
acc_cnt_a = [0] + list(accumulate(acc_cnt_a))
acc_cnt_b = [0] + list(accumulate(acc_cnt_b))
acc_cnt_ab = [0] + list(accumulate(acc_cnt_ab))

q = int(input())
buf = []
for k in map(int, input().split()):
    ans = 0
    for r in c_loc:
        l = r - k
        if l > 0:
            rejected_a = acc_cnt_a[l]
            cnt_internal_b = acc_cnt_b[r] - acc_cnt_b[l]
            cnt_internal_ab = acc_cnt_ab[r] - acc_cnt_ab[l]
            ans += cnt_internal_ab - rejected_a * cnt_internal_b
        else:
            ans += acc_cnt_ab[r]
    buf.append(ans)
print('\n'.join(map(str, buf)))
### BUGGY CODE ###

n=int(input())
def make_divisors(n):
    lower_divisors = []
    upper_divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)

    upper_divisors.reverse()
    return len(lower_divisors + upper_divisors)
sumi=0
for i in range(1,n+1):
    sumi+=i*make_divisors(i)
print(sumi)

### FIXED CODE ###

n=int(input())
ans=0
for i in range(1,n+1):
  y=n//i
  ans+=y*(y+1)*i//2
print(ans)