Harryxun/stf_run huggingface dataset:
n,l = map(int,input().split())
s =[input() for _ in range(n)]
ss = sorted(s)
print(ss[0]+ss[1]+ss[2])

### FIXED CODE ###

n,l =map(int,input().split())
ss = [input() for _ in range(n)]
s =sorted(ss)
ans =""
for i in s:
  ans += i
print(ans)
N = input()
A = list(map(int, input().split()))

answer = 1
if 0 in A:
  print(0)
else:
  for i in A:
    answer *= i
    if answer > 10**18:
      print(-1)
      exit()
	print(answer)

### FIXED CODE ###

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

answer = 1
if 0 in A:
  print(0)
else:
  for i in A:
    answer *= i
    if answer > 10**18:
      answer = -1
      break
  print(answer)
import numpy as np
import itertools
 
if __name__ == "__main__":
    K = int(input())+1
    ret = 0
    for a, b, c in itertools.product(range(1,K), range(1,K), range(1,K)):
        ret += np.gcd.reduce(list({a,b,c}))
    print(ret)

### FIXED CODE ###

import math
K = int(input())
sumval = 0
for a in range(1, K+1):
    for b in range(1, K+1):
        f = math.gcd(a,b)
        for c in range(1, K+1):
            g = math.gcd(f,c)
            sumval += g
print(sumval)
import sys
input = sys.stdin.readline
import collections
from collections import defaultdict
import math

n=int(input())
a= [list(map(int, input().split())) for i in range(n)]
b=defaultdict(int)
c=defaultdict(int)
b0=0
c0=0
mod=1000000007
ans=1
cnt=0
for i,j in a:
    i//=math.gcd(i,j)
    j//=math.gcd(i,j)
    if i!=0 and j!=0:
        b[i/j]+=1
        c[j/i]+=1
    elif i==0 and j!=0:
        b0+=1
    elif i!=0 and j==0:
        c0+=1
    else:
        cnt+=1
w=[]
if c0!=0 or b0!=0:
    ans*=pow(2,c0+b0)-((pow(2,c0)-1)*(pow(2,b0)-1))


for k,v in b.items():
    if c[-k]!=0:
        ans*=((pow(2,c[-k]+v)-(pow(2,c[-k])-1)*(pow(2,v)-1)))
        w.append((pow(2,c[-k]+v)-(pow(2,c[-k])-1)*(pow(2,v)-1)))
        ans%=mod
    else:
        ans*=pow(2,v)
        ans%=mod

w=collections.Counter(w)
w=list(w.most_common())

for i,j in w:
    for k in range(j//2):
        ans*=pow(i,mod-2,mod)
ans+=cnt-1
print(int(ans%mod))


### FIXED CODE ###

import sys
input = sys.stdin.readline
import collections
import fractions
from collections import defaultdict
import math

n=int(input())
a= [list(map(int, input().split())) for i in range(n)]
b=defaultdict(int)
c=defaultdict(int)
b0=0
c0=0
mod=1000000007
ans=1
cnt=0
for i,j in a:
    if i!=0 and j!=0:
        x=i
        y=j
        i //= math.gcd(x, y)
        j //= math.gcd(x, y)
        i=abs(i)
        j=abs(j)
        if x*y>0:
            b[(i,j,0)]+=1
            c[(j,i,1)]+=1
        else:
            b[(i,j,1)]+=1
            c[(j,i,0)]+=1

    elif i==0 and j!=0:
        b0+=1
    elif i!=0 and j==0:
        c0+=1
    else:
        cnt+=1
w=[]
if c0!=0 or b0!=0:
    ans*=pow(2,c0+b0)-((pow(2,c0,mod)-1)*(pow(2,b0,mod)-1))

for k,v in b.items():
    if c[k]!=0:
        ans*=(pow(2,c[k]+v,mod)-(pow(2,c[k],mod)-1)*(pow(2,v,mod)-1))
        w.append((pow(2,c[k]+v,mod)-(pow(2,c[k],mod)-1)*(pow(2,v,mod)-1)))
        ans%=mod
    else:
        ans*=pow(2,v,mod)
        ans%=mod

w=collections.Counter(w)
w=list(w.most_common())
for i,j in w:
    for k in range(j//2):
        ans*=pow(i,mod-2,mod)
ans+=cnt-1
print(int(ans%mod))
x = input().split()
i = list[map(int,x)]
a = i[0]
b = i[1]

if a < b:
  print('a < b')
elif a == b:
  print('a == b')
else:
  print('a > b')

### FIXED CODE ###

x = input().split()
i = list(map(int,x))
a = i[0]
b = i[1]

if a > b:
  print('a > b')
elif a == b:
  print('a == b')
else:
  print('a < b')
total = 0
for i in map(int, input().split()):
    if i == 1:
        total+= 300000
    elif i == 2:
        total+= 200000
    elif i == 3:
        toal+= 100000
if total == 600000:
    total = 1000000
print(total)

### FIXED CODE ###

s = 0
for i in map(int, input().split()):
    if i == 1:
        s+=300000
    elif i ==2 :
        s+= 200000
    elif i ==3 :
        s+= 100000
if s== 600000:
    s = 1000000
print(s)
import sys
import math
import heapq
from collections import defaultdict, deque
sys.setrecursionlimit(100000) 
input = sys.stdin.readline
def r():
    return int(input())
def rm():
    return map(int,input().split())
def rl():
    return list(map(int,input().split()))

'''C Tsundoku'''
def count(i,n,j,m,a,b,k):
    if i==n:
        if j==m:
            return 0
        if b[j]<=k:
            return 1+count(i,n,j+1,m,a,b,k-b[j])
        return 0
    elif j==m:
        if i==n:
            return 0
        if a[i]<=k:
            return 1+count(i+1,n,j,m,a,b,k-a[i])
        return 0
    else:
        if a[i]>k and b[j]>k:
            return 0
        if a[i]>k:
            return 1+count(i,n,j+1,m,a,b,k-b[j])
        if b[j]>k:
            return 1+count(i+1,n,j,m,a,b,k-a[i])
        return max(1+count(i,n,j+1,m,a,b,k-b[j]),1+count(i+1,n,j,m,a,b,k-a[i]))

n,m,k=rm()
a=rl()
b=rl()
i=0;j=0;
print(count(i,n,j,m,a,b,k))

### FIXED CODE ###

import sys
import math
import heapq
from collections import defaultdict, deque
sys.setrecursionlimit(10**6)
input = sys.stdin.readline
def r():
    return int(input())
def rm():
    return map(int,input().split())
def rl():
    return list(map(int,input().split()))

'''C Tsundoku'''
n,m,k=rm()
a=rl()
b=rl()
c=[0]*(n+1)
d=[0]*(m+1)
for i in range(n):
    c[i+1]=c[i]+a[i]
for i in range(m):
    d[i+1]=d[i]+b[i]
ans=0;j=m
for i in range(n+1):
    if c[i]>k:
        break
    while c[i]+d[j]>k:
        j-=1
    ans=max(ans,i+j)
print(ans)
from operator import itemgetter
from collections import defaultdict
n = int(input())
xy = sorted([list(map(int, input().split())) for i in range(n)], key = itemgetter(0,1))
a = defaultdict(int)
for key,(x1,y1) in enumerate(xy):
  for x2,y2 in xy[key+1:]:
    p,q = x2-x1, y2-y1
    if p != 0 or q != 0:
      a[(p,q)] += 1
ans = n - max(a.values())
print(ans)

### FIXED CODE ###

from operator import itemgetter
from collections import defaultdict
n = int(input())
if n == 1:
  print(1)
  exit()
xy = sorted([list(map(int, input().split())) for i in range(n)], key = itemgetter(0,1))
a = defaultdict(int)
for key,(x1,y1) in enumerate(xy):
  for x2,y2 in xy[key+1:]:
    p,q = x2-x1, y2-y1
    if p != 0 or q != 0:
      a[(p,q)] += 1
ans = n - max(a.values())
print(ans)
#A - Table Tennis Training
N,A,B = list(map(int, input().split()))

if Lab%2==0:
    #case Lab is even
    ans = int(B-A/2)
else:
    #case Lab is odd
    ans = min(A-1,N-B) + 1 + int((B-A-1)/2)

print(ans)

### FIXED CODE ###

#A - Table Tennis Training
N,A,B = list(map(int, input().split()))

Lab = B-A
La = A-1
Lb = N-B

if Lab%2==0:
    #case Lab is even
    ans = Lab//2
else:
    #case Lab is odd
    ans = min(La,Lb) + 1 + Lab//2

print(ans)
n, m = map(int,input().split())

l = [""] * m

for i in range(m):
    l[i] = list(map(int,input().split()))

ans3 = [i for i in range(1,n+1)]
ans3 = set(ans3)


for i in range(m):
    ans2 = [j for j in range(min(ans3),max(ans3)+1) if l[i][0] <= j <= l[i][1]]
    ans3 = ans3 & set(ans2)
    ans2.clear()
    
print(len(ans3))

### FIXED CODE ###

n,m = map(int,input().split())

left_max = -1
right_min = n+1

for i in range(m):
    s,t = map(int,input().split())
    left_max = max(left_max,s)
    right_min = min(right_min, t)
    
print(max(0, right_min - left_max +1))
n=int(input())
p=list(map(int, input().split()))
ans=list(range(N) + 1)

ans_mix=[]
is_possible = False
for i in range(0, n-1):
    for j in range(1, n):
        a=ans.copy()
        tmp=a[i]
        a[i]=a[j]
        a[j]=tmp
        if a==p:
            is_possible = True
            
if is_possible:
    print('YES')
else:
    print('NO')
    

### FIXED CODE ###

n=int(input())
p=list(map(int, input().split()))
ans=list(range(1,n+1))

ans_mix=[]
is_possible = False

if p==ans:
    is_possible = True

for i in range(0, n-1):
    for j in range(1, n):
        a=ans.copy()
        tmp=a[i]
        a[i]=a[j]
        a[j]=tmp
        if a==p:
            is_possible = True

if is_possible:
    print('YES')
else:
    print('NO')
print(*[["Yes","No"][int(s)%sum(int(i)for i in s)]for s in[input()]])

### FIXED CODE ###

print(*["YNeos"[(int(s)%sum(int(i)for i in s))>0::2]for s in[input()]])
a = input()
b = list(a)
if b[2] == b[3] and b[4] == b[5]:
  print('Yes')
else:
  cofff
  print('No')

### FIXED CODE ###

a = input()
b = list(a)
if b[2] == b[3] and b[4] == b[5]:
  print('Yes')
else:
  print('No')
import math
import itertools
import numpy as np
def is_prime(q):
    q = abs(q)
    if q == 2: return True
    if q < 2 or q&1 == 0: return False
    return pow(2, q-1, q) == 1
list2 = []
result = 0
n = int(input())
for i in range(1,n+1):
    if(not(is_prime(i))):
        for j in range(1,n+1):
          for k in range(1,n+1):
#            list2.append([i,j,k])
#            result +=  np.gcd.reduce((i,j,k))
#            print(result ,i,k,j)
    else:
        result += n*n-1
for i in range(1,n+1):
    if(is_prime(i)):
        result += i
print(result)
#print(list2)

### FIXED CODE ###

from math import gcd
ans = 0
k = int(input())
for i in range(1, k+1):
	for j in range(1, k+1):
		for l  in range(1, k+1):
			ans += gcd(gcd(i, j), l)
print(ans)
H,W,M=map(int,input().split())
Y=[0 for i in range(H+1)]
X=[0 for i in range(W+1)]
HW=[]
for i in range(M):
    h,w=map(int,input().split())
    Y[h]+=1
    X[w]+=1
    HW.append([h,w])

LY=[]
LX=[]
MY=max(Y)
MX=max(X)
for i in range(H+1):
    if Y[i]==MY:
        LY.append(i)
for i in range(W+1):
    if X[i]==MX:
        LX.append(i)

import sys
for i in range(M):
    if HW[i][0] not in MY or HW[i][1] not in MX:
        print(MY+MX)
        sys.exit()

print(MY+MX-1)

### FIXED CODE ###

H,W,M=map(int,input().split())
Y=[0 for i in range(H+1)]
X=[0 for i in range(W+1)]
HW=[]
for i in range(M):
    h,w=map(int,input().split())
    Y[h]+=1
    X[w]+=1
    HW.append([h,w])

LY=[]
LX=[]
MY=max(Y)
MX=max(X)
for i in range(H+1):
    if Y[i]==MY:
        LY.append(i)
for i in range(W+1):
    if X[i]==MX:
        LX.append(i)

count=0
for i in range(M):
    if Y[HW[i][0]]==MY and X[HW[i][1]]==MX:
        count+=1

if count==len(LY)*len(LX):
    print(MY+MX-1)
else:
    print(MY+MX)
A, B, K = map(int, input().split())
candidate1 = [i for i in range(A, A+K) if i <= B]
candidate2 = [i+1 for i in range(B-K, B) if i+1 >= A]

ans = list(sorted(list(set(candidate1+candidate2))))
ans = [str(ans[i]) for i in range(len(candidate2) + len(candidate1))]

print('\n'.join(ans))

### FIXED CODE ###

A, B, K = map(int, input().split())
candidate1 = [i for i in range(A, A+K) if i <= B]
candidate2 = [i+1 for i in range(B-K, B) if i+1 >= A]

ans = list(sorted(list(set(candidate1+candidate2))))
ans = [str(ans[i]) for i in range(len(ans))]

print('\n'.join(ans))
# -*- coding:utf-8 -*-

a, b, x = map(int, input().split())

count = 0

for i in range(a, b+1):
    if i % x == 0:
        count = count + 1

print(count)


### FIXED CODE ###

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

AtCoder, s, Contest = input().split()

print("A" + s[0] + "C")
N, M, K = map(int, input().split())


def solve(N, M, K):
    for i in range(N+1):
        for j in range(M+1):
            blackNum = i*M + j*N - 2*i*j
            if K == blackNum:
                return "Yes"
    return "No"

print(solve(N, M, K))


### FIXED CODE ###

S = input()
ans = "Yes" if S[0:4] == "YAKI" else "No"
print(ans)
days_sum={1:31,2:29,3:31,4:30,5:31,6:30,7:31,8:31,9:30,
          10:31,11:30,12:31}
days2month={1:'Thursday',2:'Friday',3:'Saturday',4:'Sunday',
            5:'Monday',6:'Tuesday',7:'Wednesday'}

while True:
    month,day=map(int,raw_input().split(" "))
    if month==0 and day==0:
        break
    keika=0
    for i in range(1,month):
        keika += days_sum[i]
    keika+=day
    print days2month[keika%7]

### FIXED CODE ###

days_sum={1:31,2:29,3:31,4:30,5:31,6:30,7:31,8:31,9:30,
          10:31,11:30,12:31}
days2month={1:'Thursday',2:'Friday',3:'Saturday',4:'Sunday',
            5:'Monday',6:'Tuesday',0:'Wednesday'}

while True:
    month,day=map(int,raw_input().split(" "))
    if month==0 and day==0:
        break
    keika=0
    for i in range(1,month):
        keika += days_sum[i]
    keika+=day
    print days2month[keika%7]
n,m = map(int,input().split())
sc = [tuple(map(int,input().split())) for i in range(m)]
l = [0]*n
for t in sc:
    l[t[0]-1] = t[1]
if sc[0][0]!=1 and sc[0][1]==0:
    l[0]=1
    print("".join([str(s) for s in l]))
else:
    if l[0]==0:
        print(-1)

### FIXED CODE ###

n,m = map(int,input().split())
x = [tuple(map(int,input().split())) for i in range(m)]
f=True
for i in range(0,1001):
    i = str(i)
    if len(i)==n:
        if all([i[t[0]-1]==str(t[1]) for t in x]):
            print(i)
            f=False
            break
if f:
    print(-1)
n=int(input())
a=list(map(int,input().split()))
 
for i in range(1,n+1):
  print(a.count(i))

### FIXED CODE ###

import math
print(int(input())*2*math.pi)
import sys

sys.setrecursionlimit(2000)

H,W=map(int,input().split())
Ch,Cw=map(int,input().split())
Dh,Dw=map(int,input().split())
maze=[]

for i in range(H):
  l=list(input())
  for j in range(len(l)):
    if l[j]=='.':l[j]=-1
    if l[j]=='#':l[j]=-2
  maze.append(l)
def isIn(h,w):
  if h<0 or h>=H or w<0 or w >=W:return False
  return True
def update(maze,h,w,value):
  global update_list
  vectors=[[-1,0],[1,0],[0,1],[0,-1]]
  maze[h][w]=value
  update_list=[]
  u=[]
  for i in range(25):
    if not isIn(h+i//5-2,w+i%5-2):continue
    if maze[h+i//5-2][w+i%5-2]>maze[h][w] or maze[h+i//5-2][w+i%5-2]==-1:
      if [h+i//5-2,w+i%5-2] not in u:
        u.append([h+i//5-2,w+i%5-2])
        maze[h+i//5-2][w+i%5-2]=value+1
  for vector in vectors:
    if not isIn(h+vector[0],w+vector[1]):continue
    if maze[h+vector[0]][w+vector[1]]>maze[h][w] or maze[h+vector[0]][w+vector[1]]==-1:
      maze[h+vector[0]][w+vector[1]]=maze[h][w]
      update(maze,h+vector[0],w+vector[1],value)
      
  for h,w in u:
    if maze[h][w]==value+1 and not [h,w] in update_list:
      update_list.append([h,w])
  return update_list

update_list=update(maze,Ch-1,Cw-1,0)
def calc(update_list):
  for h,w in update_list:
    u=update(maze,h,w,maze[h][w])
    calc(u)
calc(update_list)
print(maze[Dh-1][Dw-1])

### FIXED CODE ###

from collections import deque
H,W=map(int,input().split())
Ch,Cw=map(int,input().split())
Dh,Dw=map(int,input().split())
maze=[]

for i in range(H):
  l=list(input())
  for j in range(len(l)):
    if l[j]=='.':l[j]=-1
    if l[j]=='#':l[j]=-2
  maze.append(l)

def isIn(h,w):
  if h<0 or h>=H or w<0 or w >=W:return False
  return True
l=[[Ch-1,Cw-1]]
l=deque(l)
maze[Ch-1][Cw-1]=0
l2=[[0]*W for i in range(H)]

cnt=0
while l:
  cnt+=1
  vectors=[[-1,0],[1,0],[0,1],[0,-1]]

  target=l[0]
  h,w=target
  l.popleft()
  if l2[h][w]:
    continue
  l2[h][w]=1
  for vector in vectors:
    if not isIn(h+vector[0],w+vector[1]):continue
    if maze[h+vector[0]][w+vector[1]]>maze[h][w] or maze[h+vector[0]][w+vector[1]]==-1:
      maze[h+vector[0]][w+vector[1]]=maze[h][w]
      l.appendleft([h+vector[0],w+vector[1]])
  for i in range(25):
    if not isIn(h+i//5-2,w+i%5-2):continue
    if maze[h+i//5-2][w+i%5-2]>maze[h][w] or maze[h+i//5-2][w+i%5-2]==-1:
      maze[h+i//5-2][w+i%5-2]=maze[h][w]+1
      l.append([h+i//5-2,w+i%5-2])
print(maze[Dh-1][Dw-1])
N, M, C = map(int, input().split())
B=list(map(int, input().split))
answer=0
sum=0  
for i in range(N):
  A=list(map(int, input().split))
  for j in range(M):
    sum+=B[j]*A[j]
  if (sum+C)>0:
  answer+=1
print(answer)

### FIXED CODE ###

N,M,C=map(int,input().split())
B=list(map(int,input().split()))
count=0
for i in range(N):
    A=list(map(int,input().split()))
    p=C
    for j in range(M):p+=A[j]*B[j]
    if p>0:count+=1
print(count)
data = input().split()  
n = int(data[0])
m = int(data[1])
x = [int(s) for s in input().split()]

x.sort()

y=[]
tmp=0
for i in x:
    y.append(i-tmp)
    tmp=i
y.pop(0)

y.sort()
y.reverse()

res=x[-1]-x[0]

print(x)
print(y)

if(len(y)+1 < n):
    n = len(y)+1

for i in range(n-1):
    res-=y[i]

print(res)

### FIXED CODE ###

data = input().split()
  
t = int(data[0])
x = int(data[1])


print(t/x)
# -*- coding: utf-8

while True:
   if raw_input() == '0 0':
      break

   a = map(int,raw_input().split())
   for i in range(a[0]):
      print('#'*a[1])
      print(i)



### FIXED CODE ###

# -*- coding: utf-8

while True:
   a = map(int,raw_input().split())
   if a == [0,0]:
      break
   for i in range(a[0]):
      print('#'*a[1])
   print('')
A, B, K = (int(i) for i in input().split())
list = []
for i in range(1, 100):
  if A % == 0 and B % i == 0:
    list.append(i)
print(list[len(list)-K])

### FIXED CODE ###

A, B, C = (int(i) for i in input().split())
if B > (A*C):
  print(C)
else:
  print(B//A)
# https://atcoder.jp/contests/dp/tasks/dp_b
# B - Frog 2

N, K = list(map(int, input().strip().split(' ')))
H = list(map(int, input().strip().split(' ')))


dp = [0] * N

for i in range(1, N):
    MIN = None
    for j in range(1, K + 1):
        if i - j < 0:
            continue
        if Min == None:
            MIN = dp[i - j] + abs(H[i] - H[i - j])
        else:
            MIN=min(dp[i - j] + abs(H[i] - H[i - j]), MIN)
    dp[i]=MIN

print(dp[-1])


### FIXED CODE ###

N,K=list(map(int,input().strip().split(" ")))
H=list(map(int,input().strip().split(" ")))
dp=[0]+[10**10]*(N-1)
for i in range(1,N):
    temp=0
    for j in range(i-K,i):
        if j>=0:
            dp[i]=min(dp[i],dp[j]+abs(H[i]-H[j]))
print(dp[-1])
k=int(input())
#k*=9
def make_divisors(n):
    lower_divisors , upper_divisors = [], []
    i = 1
    while i*i <= n:
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)
        i += 1
    return lower_divisors + upper_divisors[::-1]
if k%7==0:
    k//=7
if k%2==0 or k%5==0:
    print(-1)
else:
    i=1
    s=10
    while s%k!=1:
        s=s*10%k
        i+=1
print(i)

### FIXED CODE ###

k=int(input())
k*=9
if k%7==0:
    k//=7
if k%2==0 or k%5==0:
    print(-1)
else:
    i=1
    s=10
    while s%k!=1:
        s=s*10%k
        i+=1
    print(i)
import fractions
f=fractions.gcd(a,b)
k = int(input())
ans = 0
for a in range(1,k+1):
  for b in range(1,k+1):
    for c in range(1,k+1):
      ans += fractions.gcd(a, fractions.gcd(b, c))
print(ans)

### FIXED CODE ###

import math
k = int(input())
ans = k**3 - (k-1)**3
for a in range(2,k+1):
  for b in range(2,k+1):
    tmp = math.gcd(a,b)
    for c in range(2,k+1):
      ans += math.gcd(tmp, c)
print(ans)
import sys

sys.setrecursionlimit(10 ** 7)
f_inf = float('inf')
mod = 10 ** 9 + 7


def resolve():
    n, k = map(int, input().split())
    A = list(map(int, input().split()))

    tree = [[] for _ in range(n)]
    for idx, a in enumerate(A):
        tree[idx].append(a - 1)

    start = []
    depth = [0 for _ in range(n)]

    def dfs(v, p, d, cnt):
        depth[v] = d
        for u in tree[v]:
            if u == p:
                continue

            if visited[u]:
                start.append([u + 1, depth[u], cnt + 1])
                return
            else:
                visited[u] = True
                dfs(u, v, d + 1, cnt + 1)
        return

    visited = [False for _ in range(n)]
    visited[0] = True
    dfs(0, -1, 0, 0)

    if k <= start[0][1]:
        print(depth.index(k) + 1)
    else:
        cnt = (k - start[0][1]) % (start[0][2] - start[0][1])
        res = start[0][1] + cnt
        print(depth.index(res) + 1)


if __name__ == '__main__':
    resolve()


### FIXED CODE ###

import sys

sys.setrecursionlimit(10 ** 7)
f_inf = float('inf')
mod = 10 ** 9 + 7


def resolve():
    n, k = map(int, input().split())
    A = list(map(int, input().split()))

    tree = [[] for _ in range(n)]
    for idx, a in enumerate(A):
        tree[idx].append(a - 1)

    start = []
    depth = [0 for _ in range(n)]

    def dfs(v, p, d, cnt):
        depth[v] = d
        for u in tree[v]:
            if visited[u]:
                start.append([u + 1, depth[u], cnt + 1])
                return
            else:
                visited[u] = True
                dfs(u, v, d + 1, cnt + 1)
        return

    visited = [False for _ in range(n)]
    visited[0] = True
    dfs(0, -1, 0, 0)

    if k <= start[0][1]:
        print(depth.index(k) + 1)
    else:
        cnt = (k - start[0][1]) % (start[0][2] - start[0][1])
        res = start[0][1] + cnt
        print(depth.index(res) + 1)


if __name__ == '__main__':
    resolve()
c = []
for i in range(3):
  r = map(int, input().split())
  c.append(r)
  
d1 = set([])
d2 = set([])
d3 = set([])
d4 = set([])
for i in range(3):
  d1.append(c[i][1] - c[i][0])
  d2.append(c[i][2] - c[i][1])
  d3.append(c[1][i] - c[0][i])
  d4.append(c[2][i] - c[1][i])
if len(d1) == 1 and len(d2) == 1 and len(d3) == 1 and len(d4) == 1:
  print('Yes')
else:
  print('No')
  

### FIXED CODE ###

c = []
for i in range(3):
  r = list(map(int, input().split()))
  c.append(r)
  
d1 = set([])
d2 = set([])
d3 = set([])
d4 = set([])
for i in range(3):
  d1.add(c[i][1] - c[i][0])
  d2.add(c[i][2] - c[i][1])
  d3.add(c[1][i] - c[0][i])
  d4.add(c[2][i] - c[1][i])
if len(d1) == 1 and len(d2) == 1 and len(d3) == 1 and len(d4) == 1:
  print('Yes')
else:
  print('No')
N,M = map(int,input().split())
A = list(map(int,input().split()))

A.sort(reverse=True)
S = sum(A)
i = 0

while A[i] >= S/(M*4) and i < N:
    i += 1

if i >= M:
    print("Yes")
else:
    print("No")


### FIXED CODE ###

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

A.sort(reverse=True)
S = sum(A)

for i in range(M):
    if A[i] < S/(4*M):
        print('No')
        exit()

print('Yes')
n,m = map(int,input().split())
alis = list(map(int,input().split()))
lis = [list(map(int,input().split())) for x in range(m)]
clis = [x[1]*x[0] for x in lis]
clis = [x for y in clis for x in y]
clis.sort(reverse=True)
alis.sort()
print(p)
ans = 0
for x,y in zip(alis,clis):
    if x>=y:
        ans += x
    else:
        ans += y
if len(clis) < len(alis):
    ans__ = sum(alis[len(clis):])
    ans += ans__
    print(ans)
else:
    print(ans)


### FIXED CODE ###

n,m = map(int,input().split())
alis = list(map(int,input().split()))
lis = [list(map(int,input().split())) for x in range(m)]
for x in alis:
    lis.append([1,x])
lis.sort(reverse=True,key=lambda x:x[1])
ans = 0
for x in lis:
    (number,point) = x
    if number >= n:
        number = n
        ans += number * point
        #print(n)
        #print(ans,'+=',number,'*',point)
        break
    ans += number * point
    n -= number
    #print(n)
    #print(ans,'+=',number,'*',point)
print(ans)
#print(lis)
h,n = map(int,input())
a = list(map(int,input().split()))
ans = 0
for i in a:
  ans += a[i]
if(ans>=h):
  print("Yes")
else:
  print("No")

### FIXED CODE ###

h,n = map(int,input().split())
a = list(map(int,input().split()))
ans = 0
for i in range(n):
  ans += a[i]
if(ans>=h):
  print("Yes")
else:
  print("No")
N = int(input())
C = list(map(int, input().split()))
C.sort(reverse = True)
#print(C)
sosu = 10 ** 9 + 7
K = [1 for i in range(N+1)]
for i in range(1, N+1):
    a = K[i-1] * 2 % sosu
    K[i] = a
ans = 0
for i in range(N):
    #for j in range(1,circle):##j番目に大きい
    #    kkk = c(i, j-1) * 2 ** (N-i-1)###i+1番目に大きいものがj番目に大きくなるような選び方
    #    ans += C[i] * kake * j * kkk
    ans += C[i] * K[N] * (2 ** i + i * 2 ** (i-1)) * K[N-i-1]
    ans %= sosu
print(int(ans))







### FIXED CODE ###

N = int(input())
C = list(map(int, input().split()))
C.sort(reverse = True)
#print(C)
sosu = 10 ** 9 + 7
K = dict()
K[-1] = 1
K[0] = 1
for i in range(1, N+1):
    a = K[i-1] * 2 % sosu
    K[i] = a
ans = 0
for i in range(N):
    #for j in range(1,circle):##j番目に大きい
    #    kkk = c(i, j-1) * 2 ** (N-i-1)###i+1番目に大きいものがj番目に大きくなるような選び方
    #    ans += C[i] * kake * j * kkk
    ans += (C[i] * K[N] * (K[i] + i * K[i-1]) * K[N-i-1]) % sosu
    ans %= sosu
print(int(ans))