Harryxun/stf_run huggingface dataset:
def f(y):

    if 0 <= y <=999:
        print(1000-y)
    elif 1000<= y <= 10000 :
        b = int(y / 100)
        c = int(str(b)[1])
        g = 9-c
        h = int(y/10)
        i = int(str(h)[2])

        if y %1000==0:
            print("0")
        elif y % 500==0 and x % 1000!=0:
            print("500")
        elif y % 100==0 and x % 500!=0:
            f = 10-c
            print(f*100)
        elif y % 10 ==0 and x % 100!=0:
            j =10-i
            print(g*100+j*10)
        elif y % 10!=0:
            k = int(str(y)[3])
            l = 9 - i
            m = 10-k
            print(g*100+l*10+m)


y = input()
x = f(int(y))






### FIXED CODE ###


def f(y):

    if 1 <= y <=999:
        print(1000-y)
    elif 1000<= y <= 10000 :
        b = int(y / 100)
        c = int(str(b)[1])
        g = 9-c
        h = int(y/10)
        i = int(str(h)[2])

        if y %1000==0:
            print("0")
        elif y % 500==0 and y % 1000!=0:
            print("500")
        elif y % 100==0 and y % 500!=0:
            f = 10-c
            print(f*100)
        elif y % 10 ==0 and y % 100!=0:
            j =10-i
            print(g*100+j*10)
        elif y % 10!=0:
            k = int(str(y)[3])
            l = 9 - i
            m = 10-k
            print(g*100+l*10+m)


y = input()
x = f(int(y))
while 1:
H , W = map(int, raw_input().split())

if H == W == 0:
  break
width = ''
for i in range(W):
  width += '#'
for j in range(H):
  print width
    
    

### FIXED CODE ###

while 1:
  h, w = map(int, raw_input().split())
  if h == 0 and w == 0:
    break
  for i in range(h):
    print "#" * w
  print""
x=int(input())
div=make_divisors(x)
def depth_limited(x,div):
    depth=-50
    while True:
        depth+=50
        for t in div:
            for b in range(depth,depth+50):
                if x==t*(5*b**4+10*b**3*t+10*b**2*t**2+5*b*t**3+t**4):
                    return (b+t,b)
                b=-b
                if x==t*(5*b**4+10*b**3*t+10*b**2*t**2+5*b*t**3+t**4):
                    return (b+t,b)
ans=depth_limited(x,div)
print(str(ans[0])+' '+str(ans[1]))

### FIXED CODE ###

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

x=int(input())
div=make_divisors(x)
def depth_limited(x,div):
    depth=-50
    while True:
        depth+=50
        for t in div:
            for b in range(depth,depth+50):
                if x==t*(5*b**4+10*b**3*t+10*b**2*t**2+5*b*t**3+t**4):
                    return (b+t,b)
                b=-b
                if x==t*(5*b**4+10*b**3*t+10*b**2*t**2+5*b*t**3+t**4):
                    return (b+t,b)
ans=depth_limited(x,div)
print(str(ans[0])+' '+str(ans[1]))
N = int(input())

a =[0]*86
a[0] = 2
a[1] = 1

for i in range(2,86):
    a[i]=a[i-2]+a[i-1]

print(a[N] )


### FIXED CODE ###

N = int(input())

a =[0]*87
a[0] = 2
a[1] = 1

for i in range(2,87):
    a[i]=a[i-2]+a[i-1]

print(a[N] )
n, h = map(int, input().split())
if n >= h:
    s = str(h)* n
else:
    s = stc(n)* h
print(s)

### FIXED CODE ###

n, h = map(int, input().split())
if n >= h:
    s = str(h)* n
else:
    s = str(n)* h
print(s)
from itertools import accumulate

n, k = list(map(int, input().split()))
s = input()


def solve():
    l = []
    prev = '1'
    cnt = 0
    for c in s:
        if prev == c:
            cnt += 1
        else:
            l.append(cnt)
            cnt = 1
        prev = c
    l.append(cnt)
    if prev == '0':
        l.append(0)

    w = 2 * k + 1

    if len(l) <= w:
        return n

    acc = [0] + list(accumulate(l))
    ans = 0
    for i in range(0, len(l) - w + 1, 2):
        ans = max(ans, acc[i + w] - acc[i])
    return ans


print(solve())


### FIXED CODE ###

A,B=list(map(int,input().split(" ")))
coin=[A+(A-1),B+(B-1),A+B]
print(max(coin))
def A(x):
  if ord(x) - ord('a') >= 0:
    print('a')
  else:
    print('A')


def B(n, k, p_list):
  p_list = sorted(p_list)
  print(sum(p_list[:k]))


def _get_base_x(n, x):
  a = [
      'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
      'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
  ]
  b = []
  while True:
    s = n // x
    y = n % x
    b = b + [y]
    if s == 0:
      break
    n = s
  b.reverse()
  ret = []
  for i in b:
    ret.append(a[i - 1])
  print(''.join(ret))


def C(x):
  _get_base_x(x, 26)


def main():
  # letter = input()
  # A(letter)
  # for x in ['A', 'Z', 'a', 'z']:
  #   A(x)

  # n, k = map(int, input().split())
  # p_list = map(int, input().split())
  # B(n, k, p_list)
  C(long(input()))
  # num = 1
  # for i in range(50):
  #   print(str(num))
  #   # C(int(str(num)))
  #   num = num * 26 + 1


if __name__ == '__main__':
  main()


### FIXED CODE ###

def A(x):
  if ord(x) - ord('a') >= 0:
    print('a')
  else:
    print('A')


def B(n, k, p_list):
  p_list = sorted(p_list)
  print(sum(p_list[:k]))


def C(N):
  for i in range(99):
    if N < 26**i:
      ans = []
      for j in range(i):
        ans += chr(ord('a') + N % 26)
        N //= 26
      return ''.join(ans[::-1])
    else:
      N -= 26**i


def main():
  # letter = input()
  # A(letter)
  # for x in ['A', 'Z', 'a', 'z']:
  #   A(x)

  # n, k = map(int, input().split())
  # p_list = map(int, input().split())
  # B(n, k, p_list)
  print(C(int(input())))
  #for i in range(1, 27):
  #  print(C(26 + i))
  # C(703)
  # C(18279)
  # C(475254)


if __name__ == '__main__':
  main()
H1 = raw_input()
M1 = raw_input()
H2 = raw_input()
M2 = raw_input()
K = raw_input()

### FIXED CODE ###

import sys
readline = sys.stdin.buffer.readline

h1, m1, h2, m2, k = map(int, readline().split())
print(60 * (h2 - h1) + m2 - m1 - k)
N,K = map(int,input().split())
la = list(map(int,input().split()))
la = sorted(la)
la = sorted(la,key=abs,reverse=True)
lg = la[:K]
lgp = []
lgm = []
lr = la[K:]
lrp = []
lrm = []
for a in lg:
    if a >= 0:
        lgp.append(a)
    else:
        lgm.append(a)
for a in lr:
    if a >= 0:
        lrp.append(a)
    else:
        lrm.append(a)
if len(lgm) % 2 == 1:
    if len(lrp) > 0 and len(lrm) > 0:
        if len(lgp) > 0 and len(lgm) > 0:
            if lgp[len(lgp) - 1] * lrp[0] > lgm[len(lgm) - 1] * lrm[0]:
                lg.pop(lg.index(lgm[len(lgm) - 1]))
                lg.append(lrp[0])
            else:
                lg.pop(lg.index(lgp[len(lgp) - 1]))
                lg.append(lrm[0])
        else:
            if len(lgp) > 0:
                lg.pop(lg.index(lgp[len(lgp) - 1]))
                lg.append(lrm[0])
            else:
                lg.pop(lg.index(lgp[len(lgp) - 1]))
                lg.append(lrm[0])
    elif len(lrp) > 0:
        if len(lgm) > 0:
            lg.pop(lg.index(lgm[len(lgm) - 1]))
            lg.append(lrp[0])
        else:
            lg = la[N - K:]
    elif len(lrm) > 0:
        if len(lgp) > 0:
            lg.pop(lg.index(lgp[len(lgp) - 1]))
            lg.append(lrm[0])
        else:
            lg = la[N - K:]
ans = 1
for a in lg:
    ans *= a
    ans %= 10 ** 9 + 7
print(ans)



### FIXED CODE ###

N,K = map(int,input().split())
la = list(map(int,input().split()))
la = sorted(la)
la = sorted(la,key=abs,reverse=True)
lg = la[:K]
lgp = []
lgm = []
lr = la[K:]
lrp = []
lrm = []
for a in lg:
    if a >= 0:
        lgp.append(a)
    else:
        lgm.append(a)
for a in lr:
    if a >= 0:
        lrp.append(a)
    else:
        lrm.append(a)
if len(lgm) % 2 == 1:
    if len(lrp) > 0 and len(lrm) > 0:
        if len(lgp) > 0 and len(lgm) > 0:
            if lgp[len(lgp) - 1] * lrp[0] > lgm[len(lgm) - 1] * lrm[0]:
                lg.pop(lg.index(lgm[len(lgm) - 1]))
                lg.append(lrp[0])
            else:
                lg.pop(lg.index(lgp[len(lgp) - 1]))
                lg.append(lrm[0])
        else:
            if len(lgp) > 0:
                lg.pop(lg.index(lgp[len(lgp) - 1]))
                lg.append(lrm[0])
            else:
                lg.pop(lg.index(lgm[len(lgm) - 1]))
                lg.append(lrp[0])
    elif len(lrp) > 0:
        if len(lgm) > 0:
            lg.pop(lg.index(lgm[len(lgm) - 1]))
            lg.append(lrp[0])
        else:
            lg = la[N - K:]
    elif len(lrm) > 0:
        if len(lgp) > 0:
            lg.pop(lg.index(lgp[len(lgp) - 1]))
            lg.append(lrm[0])
        else:
            lg = la[N - K:]
ans = 1
for a in lg:
    ans *= a
    ans %= 10 ** 9 + 7
print(ans)
from networkx import*
_,*t=map(str.split,open(0))
print(max(1,*map(len,connected_components(Graph(t)))))

### FIXED CODE ###

from networkx import*
_,*t=map(str.split,open(0))
print(max(1,1,*map(len,connected_components(Graph(t)))))
import sys

input = sys.stdin.buffer.readline

n, x, mod = map(int, input().split())
ans = 0
temp = x
num = 1
# while temp < mod:
#     temp *= x
#     num += 1


A = [0] * (mod + 1)

# if temp == mod:
#     A[1] = x % mod
#     ans += A[1]
#     for i in range(2, num + 1):
#         A[i] = A[i - 1] * A[i - 1] % mod
#         ans += A[i]
#         # print(ans)
#     print(ans)
#     exit()

kouho = {}
if n < mod:
    A[1] = x % mod
    ans += A[1]
    for i in range(2, n + 1):
        A[i] = A[i - 1] * A[i - 1] % mod
        ans += A[i]
        # print(ans)
else:
    A[1] = x
    ans += A[1]
    kouho[A[1]] = 1
    temp = A[1]
    for i in range(2, mod + 1):
        A[i] = temp * temp % mod
        if A[i] in kouho:
            migi = i
            break
        kouho[A[i]] = i
        temp = A[i]
    saisho = 0
    hidari = kouho[A[i]]
    saisho = sum(A[1:hidari])
    # for i in range(1, hidari):
    #     saisho += A[i]
    cycle_val = sum(A[hidari:migi])
    # cycle_val = 0
    # for i in range(hidari, migi):
    #     cycle_val += A[i]

    cycle = migi - hidari
    kaisu = n // cycle
    amari = n % cycle - (hidari - 1)
    amari %= cycle
    kaisu = (n - (amari + hidari - 1)) // cycle
    amari_val = sum(A[hidari : hidari + amari])
    # amari_val = 0
    # for i in range(hidari, hidari + amari):
    #     amari_val += A[i]
    ans = saisho + cycle_val * kaisu + amari_val
print(ans)



### FIXED CODE ###

import sys

input = sys.stdin.buffer.readline

n, x, mod = map(int, input().split())
ans = 0
temp = x
num = 1
# while temp < mod:
#     temp *= x
#     num += 1


A = [0] * (mod + 1)

kouho = {}
if n < mod:
    A[1] = x % mod
    ans += A[1]
    for i in range(2, n + 1):
        A[i] = A[i - 1] * A[i - 1] % mod
        ans += A[i]
        # print(ans)
else:
    A[1] = x
    ans += A[1]
    kouho[A[1]] = 1
    temp = A[1]
    i = 1
    migi = 1
    for i in range(2, mod + 1):
        A[i] = temp * temp % mod
        if A[i] in kouho:
            migi = i
            break
        kouho[A[i]] = i
        temp = A[i]
    saisho = 0
    hidari = kouho[A[i]]
    saisho = sum(A[1:hidari])
    # for i in range(1, hidari):
    #     saisho += A[i]
    cycle_val = sum(A[hidari:migi])
    # cycle_val = 0
    # for i in range(hidari, migi):
    #     cycle_val += A[i]
    cycle = migi - hidari
    if cycle >= 2:

        kaisu = n // cycle
        amari = n % cycle - (hidari - 1)
        amari %= cycle
        kaisu = (n - (amari + hidari - 1)) // cycle
        amari_val = sum(A[hidari : hidari + amari])
        # amari_val = 0
        # for i in range(hidari, hidari + amari):
        #     amari_val += A[i]
        ans = saisho + cycle_val * kaisu + amari_val
    else:
        ans = 0
        if cycle == 0:
            for j in range(1, i + 1):
                ans += A[j]
        else:
            for j in range(1, i + 1):
                ans += A[j]
            ans += (n - i) * A[j]
print(ans)
s = list(input())
ans = 'NO'
for i in range(len(s)):
    if ''.join(s[:i] + s[n-7+i:]) == 'keyence':
        ans = 'YES'
        break
print(ans)        

### FIXED CODE ###

s = list(input())
ans = 'NO'
for i in range(len(s)):
    if ''.join(s[:i] + s[len(s)-7+i:]) == 'keyence':
        ans = 'YES'
        break
print(ans)
import re
#from me.io import dup_file_stdin

#@dup_file_stdin
def solve():
    for _ in range(int(sys.stdin.readline())):
        expr = sys.stdin.readline()[:-1].strip("=")
        expr = re.sub(".d+","",expr)
        print(eval(expr.replace("/","//")))
 
solve()

### FIXED CODE ###

import sys
#from me.io import dup_file_stdin

def prec(op):
    if op in "+-":return 1
    if op in "*/":return 2
    raise NotImplementedError()
    
def postFix(expr):
    stack = []
    operators = []
    num = 0
    isdigit = False
    for ch in expr:
        if ch.isdigit():
            isdigit = True
            num*=10
            num+=int(ch)
            continue
        else :
            if isdigit:
                stack.append(num)
                num = 0
            isdigit = False
            
            if ch == ')':
                while len(operators) > 0:
                    op = operators.pop()
                    if op == '(':
                        break
                    else:
                        stack.append(op)
                else:
                    raise ValueError
            elif ch == '(':
                operators.append(ch)
            else:
                while len(operators) > 0 and operators[-1]!='(' and prec(operators[-1]) >= prec(ch):
                    stack.append(operators.pop())
                operators.append(ch)
    if isdigit:
        stack.append(num)
    for op in operators[::-1]:
        if op not in "()":
            stack.append(op)
    return stack
        
def evaluate(stack):
    op = stack.pop()
    if type(op) is int:
        return op;
    else:
        b = evaluate(stack);
        a = evaluate(stack);
        return int(eval(str(a)+op+str(b)))

#@dup_file_stdin
def solve():
    for _ in range(int(sys.stdin.readline())):
        expr = sys.stdin.readline()[:-1].strip("=")
        print(evaluate(postFix(expr)))
        
solve()
N = int(input())
A = list(map(int,input().split()))
dp = [0 for i in range(N)]
dp[0] = 0
dp[1] = abs(A[1] - A[0])
for i in range(2,N):
  dp[i] = min( dp[i-1] + abs(A[i] - A[i-1]),dp[i-2] + abs(A[i] - A[i-2]))
  
print(dp[n-1])


### FIXED CODE ###

N = int(input())
A = list(map(int,input().split()))
dp = [0 for i in range(N)]
dp[0] = 0
dp[1] = abs(A[1] - A[0])
for i in range(2,N):
  dp[i] = min( dp[i-1] + abs(A[i] - A[i-1]),dp[i-2] + abs(A[i] - A[i-2]))
  
print(dp[N-1])
N = int(input())
AB = [list(map(int,input().split())) for _ in [0]*(N-1)]

mod = 10**9+7

m = 10**5 +1 
fac = [1]*m
ninv = [1]*m
finv = [1]*m
for i in range(2,m):
    fac[i] = fac[i-1]*i%mod
    ninv[i] = (-(mod//i)*ninv[mod%i])%mod
    finv[i] = finv[i-1]*ninv[i]%mod

E = [[] for _ in [0]*N]
Ef = [[] for _ in [0]*N]
Eb = [[] for _ in [0]*N]
for a,b in AB:
    a-=1
    b-=1
    E[a].append(b)
    E[b].append(a)
done = [False]*N
done[0] = True
q = [0]
while q:
    j = q.pop()
    for k in E[j]:
        if done[k]: continue
        done[k] = True
        q.append(k)
        Ef[j].append(k)
        Eb[k].append(j)
Vf = [None]*N
Mf = [None]*N
def getf(i):
    if Mf[i]!=None:
        return Mf[i]
    Mc = [getf(j) for j in Ef[i]]
    Vc = [Vf[j] for j in Ef[i]]
    Vf[i] = 1 + sum(Vc)
    Mf[i] = fac[Vf[i]-1]
    for mc,vc in zip(Mc,Vc):
        Mf[i] *= (mc*finv[vc])%mod
        Mf[i] %= mod
    return Mf[i]

def getp(i):
    if i==0: return 0
    p = Eb[i][0]
    vp = Vf[p]
    vi = Vf[i]
    ret = ans[p]
    ret *= (((fac[vi]*fac[N-1-vi])%mod)*finv[N-1])%mod
    ret %= mod
    ret *= pow(Mf[i],mod-2,mod)
    ret %= mod
    return ret

ans = [0]*N
ans[0] = getf(0)
q = Ef[0][:]

while q:
    i = q.pop()
    V = [N - Vf[i]]
    M = [getp(i)]
    for j in Ef[i]:
        q.append(j)
        V.append(Vf[j])
        M.append(Mf[j])
    tmp = fac[N-1]
    for mc,vc in zip(M,V):
        tmp *= (mc*finv[vc])%mod
        tmp %= mod
    ans[i] = tmp

for out in ans:
    print(out)

### FIXED CODE ###

import sys
sys.setrecursionlimit(10**7)

N = int(input())
AB = [list(map(int,input().split())) for _ in [0]*(N-1)]

mod = 10**9+7

m = 10**5*2 +10 
fac = [1]*m
ninv = [1]*m
finv = [1]*m
for i in range(2,m):
    fac[i] = fac[i-1]*i%mod
    ninv[i] = (-(mod//i)*ninv[mod%i])%mod
    finv[i] = finv[i-1]*ninv[i]%mod

E = [[] for _ in [0]*N]
Ef = [[] for _ in [0]*N]
Eb = [[] for _ in [0]*N]
for a,b in AB:
    a-=1
    b-=1
    E[a].append(b)
    E[b].append(a)
done = [False]*N
done[0] = True
q = [0]
while q:
    j = q.pop()
    for k in E[j]:
        if done[k]: continue
        done[k] = True
        q.append(k)
        Ef[j].append(k)
        Eb[k].append(j)
Vf = [None]*N
Mf = [None]*N
def getf(i):
    if Mf[i]!=None:
        return Mf[i]
    Mc = [getf(j) for j in Ef[i]]
    Vc = [Vf[j] for j in Ef[i]]
    Vf[i] = 1 + sum(Vc)
    Mf[i] = fac[Vf[i]-1]
    for mc,vc in zip(Mc,Vc):
        Mf[i] *= (mc*finv[vc])%mod
        Mf[i] %= mod
    return Mf[i]

def getp(i):
    if i==0: return 0
    p = Eb[i][0]
    vp = Vf[p]
    vi = Vf[i]
    ret = ans[p]
    ret *= (((fac[vi]*fac[N-1-vi])%mod)*finv[N-1])%mod
    ret %= mod
    ret *= pow(Mf[i],mod-2,mod)
    ret %= mod
    return ret

ans = [0]*N
ans[0] = getf(0)
q = Ef[0][:]

while q:
    i = q.pop()
    V = [N - Vf[i]]
    M = [getp(i)]
    for j in Ef[i]:
        q.append(j)
        V.append(Vf[j])
        M.append(Mf[j])
    tmp = fac[N-1]
    for mc,vc in zip(M,V):
        tmp *= (mc*finv[vc])%mod
        tmp %= mod
    ans[i] = tmp

for out in ans:
    print(out)
import math
 
def comb(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))
 
def count_combinations(min_val, max_val):
    path_len = max_val - min_val - 2
    if path_len < 2:
        return 1
    twos = path_len // 2
    min_amount = twos + (path_len % 2)
    count = 0
    for i in range(min_amount, path_len + 1):
        count += comb(i, twos)
        twos -= 1
    return count
 
def conut_paths(a):
    paths = 1
    for i in range(len(a) - 1):
        paths *= count_combinations(a[i], a[i + 1])
    return paths % 1000000007
 
N, M = map(int, input().split())
A = [int(input()) for i in range(M)]
A.sort()
 
for i in range(1, M):
    if A[i - 1] + 1 == A[i]:
        print(0)
        exit()
 
A.insert(0, -1)
A.append(N + 1)
print(conut_paths(A))

### FIXED CODE ###

times = list(map(int, input().split()))
times.sort()
print(times[0] + times[1])
import numpy as np
N, M = map(int, input().split())

G = np.zeros((N, M)) 
total_path_num = 0
not_reach_node = list(range(1, N))
node = 0

for i in range(M):
  a, b = map(int, input().split())
  G[a-1, b-1] += 1
  G[b-1, a-1] += 1
  
def search_path(G, not_reach_node, node):
  global total_path_num
  if len(not_reach_node) == 0:
    total_path_num += 1
    return total_path_num
  
  for x in np.where((G[node] == 1))[0]:
    if (x in not_reach_node):
      not_reach_node_copy = not_reach_node.copy()
      not_reach_node_copy.remove(x)
      search_path(G, not_reach_node_copy, x)
        
search_path(G, not_reach_node, node)      	

print(total_path_num)


### FIXED CODE ###

import numpy as np
N, M = map(int, input().split())
 
G = np.zeros((N, N)) 
total_path_num = 0
not_reach_node = list(range(1, N))
node = 0
 
for i in range(M):
  a, b = map(int, input().split())
  G[a-1, b-1] += 1
  G[b-1, a-1] += 1
  
def search_path(G, not_reach_node, node):
  global total_path_num
  if len(not_reach_node) == 0:
    total_path_num += 1
    return total_path_num
  
  for x in np.where((G[node] == 1))[0]:
    if (x in not_reach_node):
      not_reach_node_copy = not_reach_node.copy()
      not_reach_node_copy.remove(x)
      search_path(G, not_reach_node_copy, x)

search_path(G, not_reach_node, node)      	
 
print(total_path_num)
import bisect
n,k = map(int,input().split())
A = list(map(int,input().split()))
MOD = 10**9+7

if k==n:
  res = 1
  for a in A:
    res *= a
  print(res % MOD)
elif k%2==1 and all([ a<0 for a in A ]):
  A.sort(reverse=True)
  res = 1
  for i in range(k):
    res *= A[i]
  print(res % MOD)
else:
  absSorted = sorted(A,key=lambda x: abs(x), reverse=True)
  res = 1
  plus = Counter()
  minus = Counter()
  for i in range(k):
    res *= absSorted[i]
    if absSorted[i] < 0:
      minus[absSorted[i]] += 1
    else:
      plus[absSorted[i]] += 1

  if res < 0:
    counter = Counter(A)
    # (1) 負の数の中で絶対値が一番小さいものを1つ取り除き、非負の数の中で最大のものを一つ加える
    minusKeys = sorted(minus.keys(), reverse=True)
    tmp1 = res // minusKeys[0]
    for k in sorted(counter.keys(), reverse=True):
      if plus[k] < counter[k]:
        tmp1 *= k
        break

    # (2) 正の数を1つ取り除き、負の数を一つ加える
    plusKeys = sorted(plus.keys())
    tmp2 = res // plusKeys[0]
    for k in sorted(counter.keys()):
      if minus[k] < counter[k]:
        tmp2 *= k
        break

    print(max(tmp1, tmp2) % MOD)
  else:
    print(res)

### FIXED CODE ###

n,k = map(int,input().split())
A = list(map(int,input().split()))
MOD = 10**9+7
# s=正の数、t=負の数
s,t = [], []
for a in A:
  if a<0:
    t.append(a)
  else:
    s.append(a)

S = len(s)
T = len(t)
ok = False
if (S>0):
  if n==k:
    # すべての負の数をペアにできる
    ok = T%2==0
  else:
    # 負の数は考慮しない
    ok = True
else:
  # kが偶数個
  ok = (k%2==0)

ans = 1
if not ok:
  A.sort(key=lambda x: abs(x))
  for i in range(k):
    ans *= A[i]
    ans %= MOD
else:
  s.sort()
  t.sort(reverse=True)
  if k%2==1:
    ans *= s.pop()
    ans %= MOD

  p = []
  while len(s) >= 2:
    x = s.pop()
    x *= s.pop()
    p.append(x)

  while len(t) >= 2:
    x = t.pop()
    x *= t.pop()
    p.append(x)

  p.sort(reverse=True)
  for i in range(k//2):
    ans *= p[i]
    ans %= MOD

print(ans % MOD)
input()
A = [int(_) for _ in input().split()]
A = [A[0]] + [j for i, j in zip(A, A[1:]) if i >= j]
N = len(A)


def cut(array, index):
    if index < 1:
        return []
    for _ in range(len(array)):
        if index <= array[_][0]:
            return array[:_] + [(index, array[_][1])]


def is_possible(K):
    dp = [(A[0], 0)]
    for a in A[1:]:
        dp = cut(dp, a)
        is_added = False
        for j in range(len(dp) - 1, -1, -1):
            if dp[j][1] < K - 1:
                dp = cut(dp, dp[j][0] - 1) + [(dp[j][0], dp[j][1] + 1)]
                if dp[-1][0] < a:
                    dp += [(a, 0)]
                is_added = True
                break
        if not is_added:
            return False
    return True


def bis(x, y):
    if y == x + 1:
        return y
    elif is_possible((x + y) // 2):
        return bis(x, (x + y) // 2)
    else:
        return bis((x + y) // 2, y)


print(bis(0, N))


### FIXED CODE ###

import random
input()
A = [int(_) for _ in input().split()]
A = [A[0]] + [j for i, j in zip(A, A[1:]) if i >= j]
N = len(A)


def cut(array, index):
    if index < 1:
        return []
    if index <= array[0][0]:
        return [(index, array[0][1])]
    for _ in range(len(array)-1, 0, -1):
        if array[_ - 1][0] < index:
            return array[:_] + [(index, array[_][1])]


def is_possible(K):
    dp = [(A[0], 0)]
    for a in A[1:]:
        if a <= dp[-1][0]:
            dp = cut(dp, a)
        else:
            dp += [(a, 0)]
        is_added = False
        for j in range(len(dp) - 1, -1, -1):
            if dp[j][1] < K - 1:
                dp = cut(dp, dp[j][0] - 1) + [(dp[j][0], dp[j][1] + 1)]
                if dp[-1][0] < a:
                    dp += [(a, 0)]
                is_added = True
                break
        if not is_added:
            return False
    return True


def bis(x, y):
    if y == x + 1:
        return y
    elif is_possible((x + y) // 2):
        return bis(x, (x + y) // 2)
    else:
        return bis((x + y) // 2, y)


print(bis(0, N))
def make_divisors(n):
    if n>1:
        divisors = []
        for i in range(1, int(n**0.5)+1):
            if n % i == 0:
                divisors.append(i)
                if i != n // i:
                    divisors.append(n//i)
        divisors.sort()
        return n*len(divisors)+make_divisors(n-1)
    elif n==1:
        return 1
n=int(input())
make_divisors(n)

### FIXED CODE ###

import math
n=int(input())
s=0
for i in range(1,n+1):
    s+=i*((math.floor(n/i)*math.floor(n/i+1))/2)
print (int(s))