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

import itertools, operator
def combinations_with_replacement_counts(n, r):
    size = n + r - 1
    for indices in itertools.combinations(range(size), n-1):
        starts = [0] + [index+1 for index in indices]
        stops = indices + (size,)
        yield tuple(map(operator.sub, stops, starts))

a = input().split(' ')
d = int(a[0])
g = int(a[1])
p = []
c = []
for i in range(d):
	a = input().split(' ')
	p.append(int(a[0]))
	c.append(int(a[1]))

end = False

for i in range(1, 1001):
	for j in list(combinations_with_replacement_counts(d, i)):
		score = 0
		go = True
		for l in range(len(j)):
			if j[l] > p[l]:
				go = False
				break
		if go == True:
			for l in range(len(j)):
				score += j[l] * 100 * (l + 1) + j[l]//p[l]*c[l]
			if score >= g:
				print (i)
				exit()
	

### FIXED CODE ###

d,g = map(int,input().split())
 
p = []
 
for i in range(d):
    p.append(list(map(int,input().split())))

from itertools import product
from math import ceil
 
ans = 1e09
 
for c in product([0,1],repeat=d):
    score = 0
    num = 0
    ind = 0
    for i in range(d):
        if c[i] == 1:
            score += p[i][0]*100*(i+1) + p[i][1]
            num += p[i][0]
        else:
            ind = max(i,ind)
    
    if g - score <= 0:
        ans = min(ans,num)
    elif g - score <= (p[ind][0]-1)*100*(ind+1):
        num += ceil((g-score)/(100*(ind+1)))
        ans = min(ans,num)
print(ans)
### BUGGY CODE ###

import sys
#input = sys.stdin.buffer.readline

def main():
    N = int(input())
    s = input()
    dp = [[0 for _ in range(N+1)] for _ in range(N+1)]
    for i in range(N):
        for j in range(N):
            if s[i] == s[j]:
                dp[i+1][j+1] = dp[i][j]+1
    
    ans = 0
    for i in range(N+1):
        for j in range(i+1,N+1):
            ans = max(ans,min(dp[i][j],j-i))
    
    print(ans)

if __name__ == "__main__":
    main()

### FIXED CODE ###

import sys
#input = sys.stdin.buffer.readline

def main():
    N = int(input())
    s = input()
    a,i,j = 0,0,1
    
    while j < N:
        if s[i:j] in s[j:]:
            a = max(a,j-i)
            j += 1
        else:
            i += 1
        if i == j:
            i += 1
            j += 2
            
    print(a)

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

n = int(input())
for i in range(1, n+1):
    count = 0
    x = 1
    while (x+1)**2 <= i-2:
        y = 1
        while x**2 + y**2 + x*y + x + y <= i-1:
            z = 1
            while x**2 + y**2 + z**2 +x*y + y*z + z*x <= i:
                if x**2 + y**2 + z**2 +x*y + y*z + z*x == i:
                    count += 1
                z += 1
    print(count)

### FIXED CODE ###

n = int(input())
ans = [0 for i in range(10050)]
for x in range(1, 105):
    for y in range(1, 105):
        for z in range(1, 105):
            f = x**2 + y**2 + z**2 + x*y + y*z + z*x
            if f < 10050:
                ans[f] += 1
for i in range(n):
    print(ans[i+1])
### BUGGY CODE ###

import sys
input = sys.stdin.readline

a,b,m=map(int,input().split())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
x=[list(map(int,input().split())) for _ in range(m)]
aa=[]

for i in range(m):
  aa.append(a[x[i][0]-1]+b[x[i][1]-1]-x[i][2])
  aa.append(min(a)+min(b))

print(min(aa))

### FIXED CODE ###

import sys
input = sys.stdin.readline

a,b,m=map(int,input().split())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
x=[list(map(int,input().split())) for _ in range(m)]

ans=min(a)+min(b)
for i in range(m):
  ans=min(ans,(a[x[i][0]-1]+b[x[i][1]-1]-x[i][2]))

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

# -*- coding: utf-8 -*-
import bisect
import heapq
import math
import random
import sys
from collections import Counter, defaultdict
from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal
from functools import lru_cache, reduce
from itertools import combinations, combinations_with_replacement, product, permutations
from operator import add, mul

sys.setrecursionlimit(10000)


def read_int():
    return int(input())


def read_int_n():
    return list(map(int, input().split()))


def read_float():
    return float(input())


def read_float_n():
    return list(map(float, input().split()))


def read_str():
    return input()


def read_str_n():
    return list(map(str, input().split()))


def error_print(*args):
    print(*args, file=sys.stderr)


def mt(f):
    import time

    def wrap(*args, **kwargs):
        s = time.time()
        ret = f(*args, **kwargs)
        e = time.time()

        error_print(e - s, 'sec')
        return ret

    return wrap


@mt
def slv(K):

    g = defaultdict(dict)
    for i in range(1, K+1):
        g[i % K][(i+1) % K] = 1
        g[i % K][(i*10) % K] = 0

    q = [(1, 0)]
    vis = []
    while q:
        # print(len(q))
        u, cc = q.pop(0)
        if u == 0:
            return cc + 1
        vis.append(u)
        for v, c in g[u].items():
            if v in vis:
                continue
            if c == 0:
                q.insert(0, (v, cc))
            else:
                q.append((v, cc+c))


def main():
    K = read_int()
    print(slv(K))


if __name__ == '__main__':
    main()


### FIXED CODE ###

# -*- coding: utf-8 -*-
import bisect
import heapq
import math
import random
import sys
from collections import Counter, defaultdict, deque
from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal
from functools import lru_cache, reduce
from itertools import combinations, combinations_with_replacement, product, permutations
from operator import add, mul

sys.setrecursionlimit(10000)


def read_int():
    return int(input())


def read_int_n():
    return list(map(int, input().split()))


def read_float():
    return float(input())


def read_float_n():
    return list(map(float, input().split()))


def read_str():
    return input()


def read_str_n():
    return list(map(str, input().split()))


def error_print(*args):
    print(*args, file=sys.stderr)


def mt(f):
    import time

    def wrap(*args, **kwargs):
        s = time.time()
        ret = f(*args, **kwargs)
        e = time.time()

        error_print(e - s, 'sec')
        return ret

    return wrap


@mt
def slv(K):

    g = defaultdict(dict)
    for i in range(1, K+1):
        g[i % K][(i+1) % K] = 1
        g[i % K][(i*10) % K] = 0

    q = deque()
    q.append((1, 0))

    vis = {}
    while q:
        u, cc = q.popleft()
        if u == 0:
            return cc + 1
        vis[u] = True
        for v, c in g[u].items():
            if v in vis:
                continue
            if c == 0:
                q.appendleft((v, cc))
            else:
                q.append((v, cc+c))


def main():
    K = read_int()
    print(slv(K))


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

import sys
input = sys.stdin.readline

k, q = map(int, input().split())
d = tuple(map(int, input().split()))


def query(n, x, m):
    dd = tuple(di % m for di in d)
    ans = n - 1

    # a_j mod m = a_{j+ 1} mod m
    for i in range(k):
        if dd[i] == 0:
            ans -= ((n - 1) - (i + 1)) // k + 1

    a0 = a1 = x
    for i in range(k):
        a1 += (((n - 1) - (i + 1)) // k + 1) * dd[i]
    ans -= (a1 // m) - (a0 // m)

    return ans


for _ in range(q):
    n_i, x_i, m_i = map(int, input().split())
    ans_i = query(n_i, x_i, m_i)
    print(ans_i)


### FIXED CODE ###

k, q = map(int, input().split())
d = tuple(map(int, input().split()))


def query(n, x, m):
    dd = tuple(di % m for di in d)
    ans = n - 1

    # a_j mod m = a_{j+ 1} mod m
    for i in range(k):
        if dd[i] == 0:
            ans -= ((n - 1) - (i + 1)) // k + 1

    a0 = a1 = x
    for i in range(k):
        a1 += (((n - 1) - (i + 1)) // k + 1) * dd[i]
    ans -= (a1 // m) - (a0 // m)

    return ans


for _ in range(q):
    n_i, x_i, m_i = map(int, input().split())
    ans_i = query(n_i, x_i, m_i)
    print(ans_i)
### BUGGY CODE ###

d=[0]*13
d[0]=1
mul=1
mulmod=1
t=input()[::-1]

zero=[0]*13
l=len(t)
modlist=[10**i%13 for i in range(l)]
for n,c in enumerate(t):
    e=zero[:]

    for i in (range(10) if c=="?" else[int(c)]):
        for j in range(13):
            #e[(i*mul+j)%13]+=d[j]
            k=(i*mulmod+j)%13
            e[k]+=d[j]
            e[k]%=1000000007
    d=e
    mul*=10
    mulmod=mul%13
print(d[5])


### FIXED CODE ###

# coding: utf-8
# Your code here!
 
import sys
sys.setrecursionlimit(10**6)
readline = sys.stdin.readline #文字列入力のときは注意
 
s = input()
l = len(s)
MOD = 10**9+7
 
dp = [0]*13
dp[0] = 1
for i in s:
    new = [0]*13
    if i == "?":
        for i in range(10):
            for j in range(13):
                new[(10*j+i)%13] += dp[j]
    else:
        i = int(i)
        for j in range(13):
            new[(i+10*j)%13] += dp[j]
    
    for i in range(13):
        new[i] %= MOD
    dp,new = new,dp
#    print(dp)
 
print(dp[5]%MOD)
### BUGGY CODE ###

#https://atcoder.jp/contests/abc162/tasks/abc162_c
# -*- coding: utf-8 -*-
import fractions
N = int(input())
A = 0
for a in range(1,N+1):
  for b in range(1,N+1):
    n = fractions.gcd(a,b)
    for c in range(1,N+1):
      m = fractions.gcd(n,c)
      A+=m
print(A)

### FIXED CODE ###

#https://atcoder.jp/contests/abc162/tasks/abc162_c
# -*- coding: utf-8 -*-
import math
ans = 0
K = int(input())
for i in range(1,K+1):
  for j in range(1,K+1):
    for k in range(1,K+1):
      ans += math.gcd(math.gcd(i,j),k)
print(ans)
### BUGGY CODE ###

N,W=map(int,input().split())
L = [list(map(int, input().split())) for i in range(N)]
dp = [[0 for j in range(110000)] for i in range(110)]
for i in range(1,N+1):
  for j in range(W+1):
    dp[i][j]=dp[i-1][j]
    if j-L[i-1][0]>=0:
      dp[i][j]=max(dp[i][j],dp[i-1][j-L[i-1][0]]+L[i-1][1])
ans=dp[N][W]
print(ans)

### FIXED CODE ###

N,W=map(int,input().split())
L = [list(map(int, input().split())) for i in range(N)]
dp = [[0 for j in range(110000)] for i in range(110)]
for i in range(1,N+1):
  for j in range(W+1):
    dp[i][j]=dp[i-1][j]
    if j-L[i-1][0]>=0:
      dp[i][j]=max(dp[i][j],dp[i-1][j-L[i-1][0]]+L[i-1][1])
ans=dp[N][W]
print(ans)
### BUGGY CODE ###

N = int(input())
lst = []
for i in range(N):
    lst.extend([int(input())])


n=0
for i in range(N):
    n,lst[i] = lst[i],n
    print(max(lst))
    n,lst[i] = lst[i],n


### FIXED CODE ###

N = int(input())
A = []
for i in range(N):
    A.append(int(input()))
B = sorted(A, reverse = True)

for i in range(N):
    if A[i] == B[0]:
        print(B[1])
    else:
        print(B[0])
### BUGGY CODE ###

n,m=map(int,input().split())
gate=[]
l,r=map(int,input().split())
for i in range(l,r+1):
    gate.append(i)
for i in range(m-1):
    l,r=map(int,input().split())
    g=[]
    for i in gate:
        if l<=i<=r:
            g.append(i)
    gate=g

print(len(gate))

### FIXED CODE ###

n,m=map(int,input().split())
card=[]
L=1
R=n
for i in range(m):
    card.append([int(i) for i in input().split()])
for j in card:
    if j[0]<=R:
        if L<=j[0]:
            L=j[0]
            
    else:
        print(0)
        quit()
    if L<=j[1]:
        if j[1]<=R:
            R=j[1]
            
    else:
        print(0)
        quit()
print(R-L+1)
### BUGGY CODE ###

import math
def main():

    N = int(input())

    d = [2 for _ in range(N+1)]
    d[1] = 1

    v = int(math.sqrt(N))

    for i in range(2, v+1):
        for j in range(i+i, N+1, i):
            d[j] += 1 + (j//i > v)

    ans = 0
    for i in range(1, N+1):
        ans += i * d[i]
    return ans

if __name__ == '__main__':
    print(main())

### FIXED CODE ###

import math
import collections
def main():

    N = int(input())
    d = dict()
    for i in range(1, N+1):
        d[i] = 0

    ans = 0
    for i in range(1, N+1):
        p = N//i
        ans += p * (p+1)//2 * i
    return ans

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

import sys
input = sys.stdin.readline
h,w,m=map(int, input().split())
from collections import defaultdict
hd=defaultdict(int)
wd=defaultdict(int)
hd2=defaultdict(list)
for i in range(m):
    h0,w0=map(int, input().split())
    hd[h0]+=1
    hd2[h0].append(w0)
    wd[w0]+=1

hmax=max(hd.values())
wmax=max(wd.values())
max_h_list=[]
max_w_list=[]
for k in hd.keys():
    if hd[k]==hmax:
        max_h_list.append(k)

for k in wd.keys():
    if wd[k]==wmax:
        max_w_list.append(k)

ans=float('inf')

for x in max_h_list:
    hlist=hd2[x]
    for y in max_w_list:
        if y in hlist:
            ans=min(ans,1)
        else:
            ans=min(ans,0)
print(hmax+wmax-ans)

### FIXED CODE ###

import sys
from collections import defaultdict
input = sys.stdin.readline
h,w,m=map(int, input().split())
hd=[0 for i in range(h+1)]
wd=[0 for i in range(w+1)]
hw=defaultdict(int)
hmax=0
wmax=0
for i in range(m):
    h0,w0=map(int, input().split())
    hd[h0]+=1
    hmax=max(hmax,hd[h0])
    wd[w0]+=1
    wmax=max(wmax,wd[w0])
    hw[(h0,w0)]+=1

max_h_list=[]
max_w_list=[]
for k in range(h+1):
    if hd[k]==hmax:
        max_h_list.append(k)

for k in range(w+1):
    if wd[k]==wmax:
        max_w_list.append(k)

ans=float('inf')

for x in max_h_list:
    for y in max_w_list:
        if hw[(x,y)]==1:
            ans=min(ans,1)
        else:
            ans=min(ans,0)
            break
print(hmax+wmax-ans)
### BUGGY CODE ###

from collections import deque
import sys
input = sys.stdin.readline

H ,W = map(int, input().split())#↓H行数 →W列数
List = [list(str(input())) for i in range(H)]
#H=3
#W=3
#List=[['.', '.', '.'], ['.', '#', '.'], ['.', '.', '.']]
cheak=[['0' for i in range(W)] for j in range(H)]

q = deque([])

for h in range(H):
    for w in range(W):
        if List[h][w]=='#':
            cheak[h][w]='1'
            q.append([h,w])
#print(List)
#print(cheak)
move=[[1,0],[-1,0],[0,1],[0,-1]]
num=-1
#print(q)
while q:
    for rt in range(len(q)):
        i=q.popleft()
        for u in move:
            if 0<=i[0]+u[0]<=H-1 and 0<=i[1]+u[1]<=W-1 and cheak[i[0]+u[0]][i[1]+u[1]]=='0':
                q.append([i[0]+u[0],i[1]+u[1]])
                cheak[i[0]+u[0]][i[1]+u[1]]='1'
    #print(cheak)
    num+=1
print(num)        


### FIXED CODE ###

from collections import deque
import sys
input = sys.stdin.readline

H ,W = map(int, input().split())#↓H行数 →W列数
List = [list(str(input())) for i in range(H)]
#H=3
#W=3
#List=[['.', '.', '.'], ['.', '#', '.'], ['.', '.', '.']]
cheak=[['0' for i in range(W)] for j in range(H)]

q = deque([])

for h in range(H):
    for w in range(W):
        if List[h][w]=='#':
            cheak[h][w]='1'
            q.append([h,w])
#print(List)
#print(cheak)
move=[[1,0],[-1,0],[0,1],[0,-1]]
num=-1
#print(q)
while q:
    for rt in range(len(q)):
        i=q.popleft()
        for u in move:
            if 0<=i[0]+u[0]<=H-1 and 0<=i[1]+u[1]<=W-1 and cheak[i[0]+u[0]][i[1]+u[1]]=='0':
                q.append([i[0]+u[0],i[1]+u[1]])
                cheak[i[0]+u[0]][i[1]+u[1]]='1'
    #print(cheak)
    num+=1
print(num)
### BUGGY CODE ###

from heapq import heappush, heappop
N, M = map(int, input().split())
AB = [list(map(int, input().split())) for _ in range(N)]
AB.sort(reverse=True)
hp = []
ret = 0
for i in range(1, M+1):
    # push
    while len(AB) > 0 and AB[len(AB)-1][0] <= i:
        # heappush(hp, AB.pop()[1]*-1)
        hp.append(AB.pop()[1])
    # pop
    if len(hp) > 0:
        hp.sort()
        ret += hp.pop()
        # ret += heappop(hp)*-1

print(ret)


### FIXED CODE ###

from heapq import heappush, heappop
N, M = map(int, input().split())
AB = [list(map(int, input().split())) for _ in range(N)]
AB.sort(reverse=True)
hp = []
ret = 0
for i in range(1, M+1):
    # push
    while len(AB) > 0 and AB[len(AB)-1][0] <= i:
        heappush(hp, AB.pop()[1]*-1)
    # pop
    if len(hp) > 0:
        ret += heappop(hp)*-1

print(ret)
### BUGGY CODE ###

#E 復習
N = int(input())
K = int(input())

def f(n, K):
    if n <= 10:
        if K == 0:
            return 1
        if K == 1:
            return n
        return 0
    div_n = n//10
    mod_n = n%10
    ans = 0
    if K >= 1:
        ans += f(div_n, K-1) * mod_n
        ans += f(div_n-1, K-1) * (9 - mod_n)
    ans += f(div_n, K)
    return ans

print(f(N, K))

### FIXED CODE ###

#E 復習
N = int(input())
K = int(input())

from functools import lru_cache

@lru_cache(None)
def f(n, K):
    if n <= 10:
        if K == 0:
            return 1
        if K == 1:
            return n
        return 0
    div_n = n//10
    mod_n = n%10
    ans = 0
    if K >= 1:
        ans += f(div_n, K-1) * mod_n
        ans += f(div_n-1, K-1) * (9 - mod_n)
    ans += f(div_n, K)
    return ans

print(f(N, K))
### BUGGY CODE ###

import math
S=input()
Q=int(input())
Rev=1
front=""
back=""
for i in range(Q):
    a=input()
    if a=="1":
        Rev=Rev*-1
    else:
        b,c,x=a.split()
        if (c=="1"and Rev==1) or (c=="2" and Rev==-1):
            front+=x
        else:
            back+=x
if Rev==1:
    print(front[::-1] + S + back)
else:
    print(back[::-1]+S[::-1]+front)


### FIXED CODE ###

S=input()
Q=int(input())
Rev=True
front=''
back=''
for i in range(Q):
    a=input()
    if a=='1':
        Rev=not(Rev)
    else:
        b,c,x=a.split()
        if c == '1':
            if Rev:
                front += x
            else:
                back += x
        else:
            if Rev:
                back += x
            else:
                front += x
if Rev:
    print(front[::-1] + S + back)
else:
    print(back[::-1]+S[::-1]+front)
### BUGGY CODE ###

def read():
    N = int(input().strip())
    A = list(map(int, input().strip().split()))
    return N, A


def solve(N, A, L=60, MOD=10**9+7):
    # j桁目のビットが1であるものの数を記憶
    count_zeros = [0 for j in range(L+1)]
    count_ones = [0 for j in range(L+1)]
    for i in range(N):
        for j in range(L):
            count_ones[j] = count_ones[j] + ((A[i] >> j) & 1)
            count_zeros[j] = N - count_ones[j]
    # A[i] と A[j] (i<j) のxorをとる
    modsum = 0
    for j in range(L):
        # MODは一度にとる
        modsum += count_zeros[j] * count_ones[j] * (1<<j)
        modsum %= MOD
    return modsum


if __name__ == '__main__':
    inputs = read()
    print("%d" % solve(*inputs))


### FIXED CODE ###

def read():
    N = int(input().strip())
    A = list(map(int, input().strip().split()))
    return N, A


def solve(N, A, L=60, MOD=10**9+7):
    modsum = 0
    for j in range(L):
        count_ones = sum([1 for a in A if (a >> j) & 1])
        # count_ones = sum([(A[i] >> j) & 1 for i in range(N)])
        count_zeros = N - count_ones
        # MODは一度にとる
        modsum +=  (1<<j) * count_zeros * count_ones
        modsum %= MOD
    return modsum


if __name__ == '__main__':
    inputs = read()
    print("%d" % solve(*inputs))
### BUGGY CODE ###

import sys
import bisect
import math
import itertools
from collections import deque


# \n
def input():
    return sys.stdin.readline().rstrip()


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

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

    for i in range(N):
        a = list(map(int, input().split()))
        L[i + 1] = deque(a)

    f_original = [False] * (N + 1)
    f = [False] * (N + 1)
    k = 0
    while True: # １日分の作業
        f =[False] * (N + 1)
        for i in range(1, N + 1): #一人分の作業
            if not L[i]:
                continue
            can = L[i][0]
            if L[can][0] == i and f[can] is False and f[i]is False:
                L[i].popleft()
                L[can].popleft()
                f[i] = True
                f[can] = True
        k += 1
        if f == f_original:
            break

    for i in range(N + 1):
        if len(L[i])>0:
            print(-1)
            exit()

    print(k-1)

if __name__ == "__main__":
    main()


### FIXED CODE ###

import sys
import bisect
import math
import itertools
from collections import deque
import copy

# \n
def input():
    return sys.stdin.readline().rstrip()


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

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

    for j in range(N):
        a = list(map(int, input().split()))
        L[j + 1] = deque(a)


    k =0

    current_revise =set(range(N+1))
    while k<50000000: # １日分の作業

        pre_revise =copy.copy(current_revise)
        current_revise =set()

        for i in pre_revise: #一人分の作業
            if not L[i]:
                continue
            can = L[i][0]
            if L[can][0] == i and i not in current_revise and can not in current_revise:
                L[i].popleft()
                L[can].popleft()

                current_revise.add(i)
                current_revise.add(can)
        k += 1

        if len(current_revise)==0:
            break


    for i in range(N + 1):
        if len(L[i])>0:
            print(-1)
            exit()

    print(k-1)

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

n = int(input())

dList = sorted(list(map(int,input().split())))
  
count = 0
for i in range(n):
  tmpC = 0
  for j in range(n):
      if dList[i]-1 > dList[j]:
        pass
      elif dList[i]+1 < dList[j]:
        break 
      else:
        tmpC +=1
  if tmpC > count:
    count = tmpC

print(count)
  

### FIXED CODE ###

n = int(input())

dList = sorted(list(map(int,input().split())))
dic = {}

for i in dList:
  
  if str(i) in dic.keys():
    dic[str(i)] += 1
  else:
    dic[str(i)] = 1
  if str(i+1) in dic.keys():
    dic[str(i+1)] += 1
  else:
    dic[str(i+1)] = 1
  
  if i-1 >= 0:
    if str(i-1) in dic.keys():
      dic[str(i-1)] += 1
    else:
      dic[str(i-1)] = 1
 
print(max(dic.values()))
### BUGGY CODE ###

s = input()
q = int(input())
for _ in range(q):
  query = input()
  if query[0] == "1":
    s = s[::-1]
  if query[0] == "2":
    if query[2] == "1":
      s = query[4] + s
    if query[2] == "2":
      s = s + query[4]
      
print(s)

### FIXED CODE ###

s = input()
q = int(input())
c = 0
l = []
r = []

for i in range(q):
  query = input()
  if query[0] == "1":
    c += 1
    a = l
    l = r
    r = a
  if query[0] == "2":
    if query[2] == "1":
      l.append(query[4])
    if query[2] == "2":
      r.append(query[4])
      
l = "".join(l)
l = l[::-1]
r = "".join(r)
      
if c%2 == 1:
  s = s[::-1]
  
print(l + s + r)
### BUGGY CODE ###

n = int(input())
p = list(map(int,input().split()))
count = [0] * n
for i in range(n):
    for j in range(i+1):
        if p[i] <= p[j]:
            count[i] = 1
        else:
            count[i] = 0
            break
print(sum(count))

### FIXED CODE ###

n = int(input())
p = list(map(int,input().split()))
count = 0
p_min = p[0]
for i in range(n):
    if p_min >= p[i]:
        count+=1
    p_min = min(p[i],p_min)
print(count)
### BUGGY CODE ###

n = int(input())

sum_div = sum(range(1, n+1))
for i in range(2, n+1):
    sum_div += sum(range(i, n+1, i))
print(sum_div)

### FIXED CODE ###

n = int(input())

sum_div = sum(range(1, n+1))
for i in range(2, n+1):
    sum_div += sum(range(i, n+1, i))
print(sum_div)