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

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

mod = 7 + 10**9
s = 0

for i in range(N-1): 
	for	j in range(i+1, N):
		t = A[i] * A[j] % mod
		s += t

ans = s % mod
print(ans)

### FIXED CODE ###

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

ans = 0
mod = 7 + 10**9

s = sum(A)
for i in range(N):
	s -= A[i]
	ans += s * A[i]
	ans %= mod

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

s = input()
q = int(input())

ok = True
for i in range(q):
    query = input()
    if query[0] == '1':
        if ok:
            ok = False
        else:
            ok = True
    else:
        query = query.split()
        if ok:
            if query[1] == '1':
                s = query[2] + s
            else:
                s = s + query[2]
        else:
            if query[1] == '1':
                s = s + query[2]
            else:
                s = query[2] + s
if not ok:
    s = s[::-1]
print(s)

### FIXED CODE ###

from collections import deque
s = deque(input())
q = int(input())

ok = True
for i in range(q):
    query = input()
    if query[0] == '1':
        if ok:
            ok = False
        else:
            ok = True
    else:
        query = query.split()
        if ok:
            if query[1] == '1':
                s.appendleft(query[2])
            else:
                s.append(query[2])
        else:
            if query[1] == '1':
                s.append(query[2])
            else:
                s.appendleft(query[2])
if not ok:
    s.reverse()
print(''.join(list(s)))
### BUGGY CODE ###

import sys
sys.setrecursionlimit(10**6)

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

l=[list() for i in range(n)]
s=[0]*(n+1)

def dfs(t,p):
  for c in l[t]:
    if c==p:
      continue
    s[c]+=s[t]
    dfs(c,t)

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

for i in range(q):
  p,q=map(int,input().split())
  s[p-1]+=q

dfs(0,n)

for i in range(n):
  print(s[i],' ',end="")
print()


### FIXED CODE ###

import sys
sys.setrecursionlimit(10**7)
input=sys.stdin.readline

n,q=map(int,input().split())
t=[[] for _ in range(n)]
c=[0 for _ in range(n)]

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

for i in range(q):
  p,x=map(int,input().split())
  c[p-1]+=x

def dsf(ci,pi):
  for i in t[ci]:
    if i != pi:
      c[i] += c[ci]
      dsf(i, ci)

dsf(0,-1)

print(*c)
### BUGGY CODE ###

div = 10**9 + 7

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

dp = [[0] * (n+1) for _ in range(k+1)]
dp[0] = [1]*(n+1)

for i in range(1,k+1):
    for j in range(1, n+1):
        if(i <= a[j-1]):
            dp[i][j] = dp[i-1][j] + dp[i][j-1]
        else:
            dp[i][j] = dp[i-1][j] + dp[i][j-1] - dp[i - a[j-1] - 1][j -1]

print(dp[k][n] % div)

### FIXED CODE ###

div = 10**9 + 7

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

dp = [[0] * (n+1) for _ in range(k+1)]
dp[0] = [1]*(n+1)

for i in range(1,k+1):
    for j in range(1, n+1):
        if(i <= a[j-1]):
            dp[i][j] = (dp[i-1][j] + dp[i][j-1])%div
        else:
            dp[i][j] = (dp[i-1][j] + dp[i][j-1] - dp[i - a[j-1] - 1][j -1])%div

print(dp[k][n] % div)
### BUGGY CODE ###

n, k = map(int, raw_input().split())
plist = map(int, raw_input().split())

exp_list = [(p + 1) / 2.0 for p in plist]
print max(sum(exp_list[i:i+k]) for i in xrange(n-k+1))


### FIXED CODE ###

n, k = map(int, raw_input().split())
plist = map(int, raw_input().split())

exp_list = [(p + 1) / 2.0 for p in plist]
ans = s = sum(exp_list[:k])
for i in xrange(n - k):
    s = s - exp_list[i] + exp_list[i + k]
    ans = max(ans, s)

print ans
### BUGGY CODE ###

import itertools
H, W, M = map(int, input().split())
row=[0]*H
col=[0]*W

mat=[[0 for i in range(W)] for j in range(H)]

for i in range(M):
  h, w = map(int, input().split())
  h-=1
  w-=1
  row[h]+=1
  col[w]+=1
  mat[h][w]+=1

r=max(row)
c=max(col)

rr=[i for i in range(H) if row[i]==r]
cc=[i for i in range(W) if col[i]==c]

x=min(list(itertools.chain.from_iterable([[mat[i][j] for j in cc] for i in rr])))

if x==0:
  print(r+c)
else:
  print(r+c-1)

### FIXED CODE ###

H, W, M = map(int, input().split())
row=[0]*H
col=[0]*W

mat=[]

for i in range(M):
  h, w = map(int, input().split())
  row[h-1]+=1
  col[w-1]+=1
  mat.append((h-1,w-1))
  
r=max(row)
c=max(col)

rr=[1 if row[i]==r else 0 for i in range(H)]
cc=[1 if col[i]==c else 0 for i in range(W)]

x=0
for k in mat:
  if rr[k[0]]==1 and cc[k[1]]==1:
    x+=1

if sum(rr)*sum(cc)==x:
  print(r+c-1)
else:
  print(r+c)
### BUGGY CODE ###

N = int(input())
A = [int(i) for i in input().split()]
ans = 1

for i in range(N):
    ans = ans * A[i]

if ans > 10 ** 18:
    print(-1)
else:
    print(ans)


### FIXED CODE ###

import sys
import math
import itertools
import bisect
from copy import copy
from collections import deque,Counter
from decimal import Decimal
import functools
def s(): return input()
def k(): return int(input())
def S(): return input().split()
def I(): return map(int,input().split())
def X(): return list(input())
def L(): return list(input().split())
def l(): return list(map(int,input().split()))
def lcm(a,b): return a*b//math.gcd(a,b)
sys.setrecursionlimit(10 ** 9)
mod = 10**9+7
cnt = 0
ans = 0
inf = float("inf")

a = k()
b = l()
b.sort()
ans = 1
for i in b:
    if i == 0:
        print(0)
        sys.exit()
    else:
        ans *= i
    if ans > 10**18:
        print(-1)
        sys.exit()

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

from functools import reduce
import fractions

def lcm_base(a, b):
    return a * b / fractions.gcd(a, b)


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

N = int(input())
A = [int(i) for i in input().split()]
mod = 10**9+7

ll = lcm_list(A)
ans = 0
for i in A:
    ans += ll // i
print(int(ans%mod))


### FIXED CODE ###

from fractions import gcd

def lcm(c,d):
    return c//gcd(c,d)*d
mod=10**9+7
n=int(input())
a=[int(i) for i in input().split()]
l=a[0]
for i in range(1,n):
    l=lcm(l,a[i])
ans=0
for i in range(n):
    ans+=l//a[i]
    #ans%=mod
print(ans%mod)
### BUGGY CODE ###

n = int(input())
ans=n
for i in range(n+1):
  cnt=0
  t=i
  while t>0:
    t//=6
    cnt+=t%6
  s=n-i
  while s>0:
    s//9
    cnt+=s%9
  min(ans,cnt)
print(ans)

### FIXED CODE ###

n = int(input())
ans=n
for i in range(n+1):
  cnt=0
  t=i
  while t>0:
    cnt+=t%6
    t//=6
  s=n-i
  while s>0:
    cnt+=s%9
    s//=9
  ans = min(ans,cnt)
print(ans)
### BUGGY CODE ###

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

e_p = []
for i in range(n):
    e_p.append(sum(range(1,p[i]+1)) / p[i])

max = 0
for i in range(n-k+1):
    s = sum(e_p[i:i+k])
    if s > max:
        max = s

print(max)


### FIXED CODE ###

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

e_p = []
for i in range(n):
    e_p.append(0.5*p[i]+0.5)


ans = []
s = sum(e_p[:k])
ans.append(s)
for i in range(1,n-k+1):
    s -= e_p[i-1]
    s += e_p[i+k-1]
    ans.append(s)
print(max(ans))
### BUGGY CODE ###

import numpy as np

N, K = map(int, input().split())
h = np.array(list(map(int, input().split())))

dp = np.array([-1 for _ in range(N)])

dp[0] = 0

for i in range(1, N):
    start = max(0, i-K)
    dp[i] = min(dp[start:i] + np.abs(h[i] - h[start:i]))

print(dp[-1])


### FIXED CODE ###

import numpy as np

N, K = map(int, input().split())
h = np.array(list(map(int, input().split())))

# dp = np.array([-1 for _ in range(N)])
dp = np.zeros(N, dtype=int)

dp[0] = 0

for i in range(1, N):
    start = max(0, i-K)
    dp[i] = min(dp[start: i] + np.abs(h[i] - h[start: i]))

print(dp[-1])
### BUGGY CODE ###

n = int(input())
a = list(map(int, input().split()))

b = []

front = False
for i in a:
    if front:
        b.insert(0, i)
        front = False
    else:
        b.append(i)
        front = True

if front:
    b.reverse()


b = list(map(str, b))
b = " ".join(b)
print(b)

### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
'''
b = []

front = False
for i in a:
    if front:
        b.insert(0, i)
        front = False
    else:
        b.append(i)
        front = True




if front:
    b.reverse()


b = list(map(str, b))
b = " ".join(b)
print(b)
'''


first = a[0:n:2]
last = a[1:n:2]
last = last[::-1]
answer = last + first
if n%2 != 0:
    answer = answer[::-1]

print(*answer, sep=" ")
### BUGGY CODE ###

N = int(input())

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

ans = 1
for x in A:
  ans *= x

if ans > 1000000000000000000:
  print(-1)
  exit()

if ans < 0:
  print(-1)
  exit()

print(ans)


### FIXED CODE ###

N = int(input())

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

ans = 1
keta = 0
if 0 in A:
  print(0)
  exit()

for x in A:
  ans *= x
  keta += len(str(x))
  if ans > 1000000000000000000:
    print(-1)
    exit()

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

#dt = {} for i in x: dt[i] = dt.get(i,0)+1
ipnl = lambda n: [int(input()) for _ in range(n)]
inp = lambda :int(input())
ip = lambda :[int(w) for w in input().split()]

n = inp()
x = ip()
ele = 10**18
prod = 1
for i in x:
    prod *= i
    if prod == 0:
        print(0)
        exit()
if prod > ele:
    print(-1)
    exit()
print(prod)

### FIXED CODE ###

#dt = {} for i in x: dt[i] = dt.get(i,0)+1
ipnl = lambda n: [int(input()) for _ in range(n)]
inp = lambda :int(input())
ip = lambda :[int(w) for w in input().split()]

n = inp()
x = ip()
ele = 10**18
prod = 1
if 0 in x:
    print(0)
    exit()
for i in x:
    prod *= i
    if prod > ele:
        print(-1)
        exit()
print(prod)
### BUGGY CODE ###

N = int(input())
A = list(map(int, input().split()))
num_sum = 0

for i in range(N - 1):
    a = A[i]
    temp_A = A[i + 1:N]
    temp_A = list(map(lambda x: x * a, temp_A))
    num_sum += sum(temp_A)


num_sum = num_sum % (10 ** 9 + 7)

print(num_sum)


### FIXED CODE ###

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

num_sum = 0
temp_sum_num = sum(A)

for i in range(N - 1):
    temp_sum_num -= A[i]
    num_sum += A[i] * temp_sum_num


num_sum = num_sum % (10 ** 9 + 7)

print(num_sum)
### BUGGY CODE ###

from collections import defaultdict

N = int(input())
S = input()

d = defaultdict(list)
for i in range(N):
    for j in range(i+1, N):
        s = S[i:j+1]
        d[s].append([i, j])
ans = 0
for k in d.keys():
    if len(k) <= ans:
        continue
    l = len(d[k])
    for i in range(l):
        for j in range(i+1, l):
            if d[k][i][1] >= d[k][j][0]:
                continue
            else:
                ans = len(k)
print(ans)

### FIXED CODE ###

N = int(input())
S = input()

dp = [[0 for _ in range(N+1)] for _ in range(N+1)]
for i in range(N-1, -1, -1):
    for j in range(N-1, -1, -1):
        if S[i] == S[j]:
            dp[i][j] = dp[i+1][j+1] + 1
        else:
            dp[i][j] = 0

ans = 0
for i in range(N):
    for j in range(N):
        ans = max(ans, min(dp[i][j], j-i))
print(ans)
### BUGGY CODE ###

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

n = int(input())
s = input()

cnt = 0
for i in range(n-2):
    for j in range(i+1, n-1):
        if s[i] == s[j]:
            continue
        c = Counter(s[j:])
        total = sum(c.values()) - 1
        cnt += total - c[s[i]] - c[s[j]]
        w = j - i
        if j+w < n and (s[j+w] != s[j] and s[j+w] != s[i]):
            cnt -= 1

print(cnt)


### FIXED CODE ###

from collections import Counter

n = int(input())
s = input()
c = Counter(s)
cnt = c['R'] * c['G'] * c['B']

for i in range(n-2):
    for j in range(i+1, n-1):
        w = j - i
        if j+w >= n:
            continue
        if s[i] != s[j] and s[j+w] != s[j] and s[j+w] != s[i]:
            cnt -= 1

print(cnt)
### BUGGY CODE ###

N,M = map(int, input().split())
A = [int(a) for a in input().split()]

A.sort(reverse=True)

for i in range(M):
    if i == 0:
        A[0] = A[0]//2
    else:
        temp = A[0]
        idx = 0
        j = 0
        while j < N and j <= i:
            if temp < A[j]:
                temp = A[j]
                idx = j
            j += 1
        A[idx] = A[idx]//2
        
print(sum(A))

### FIXED CODE ###

N,M = map(int, input().split())
A = [int(a) for a in input().split()]

import heapq

h = []
for i in range(N):
    heapq.heappush(h, A[i]*(-1))
    
for i in range(M):
    temp = heapq.heappop(h)
    temp *= (-1)
    temp //= 2
    temp *= (-1)
    heapq.heappush(h, temp)
    
print(sum(h)*(-1))
### BUGGY CODE ###

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

N = 1000000007

def fac(n,r,N):
    ans=1
    for i in range(r):
        ans=ans*(n-i)%N
    return ans

def combi(n,r,N):
    if n<r or n<0 or r<0:
        ans = 0
        return ans
    if n==r:
        ans = 1
        return ans
    r= min(r, n-r)
    ans = f[n]*rf[r]*rf[n-r]%N
    return ans

f = [0]*(n+1)

for i in range(1,n+1):
    f[i] = fac(i,i,N)

rf = [0]*(n+1)

for i in range(1,n+1):
    rf[i] = pow(f[i],N-2,N)

max_sum=0
min_sum=0

for i in range(k-1,n):
    max_sum+=a[i]*combi(i,k-1,N)
    max_sum%=N
for i in range(n-k+1):
    min_sum+=a[i]*combi(n-i-1,k-1,N)
    min_sum%=N
if max_sum-min_sum<0:
    max_sum+=N
print(max_sum-min_sum)


### FIXED CODE ###

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

MOD = 1000000007

factorial = [1]
inverse = [1]
for i in range(1, n+2):
    factorial.append(factorial[-1] * i % MOD)
    inverse.append(pow(factorial[-1], MOD - 2, MOD))

def combi(n, r):
    if n < r or r < 0:
        return 0
    elif r == 0:
        return 1
    return factorial[n] * inverse[r] * inverse[n - r] % MOD

max_sum=0
min_sum=0

for i in range(k-1,n):
    t = combi(i,k-1)
    max_sum+=a[i]*t
    max_sum%=MOD
    min_sum+=a[n-i-1]*t
    min_sum%=MOD
if max_sum-min_sum<0:
    max_sum+=MOD
print(max_sum-min_sum)
### BUGGY CODE ###

import numpy as np

N, Q=map(int, input().split())
S=input()
indexs=[]
for i in range(N-1):
  if S[i:i+2]=='AC':
    indexs.append(i+1)
    
indexs=np.array(indexs)
    
for i in range(Q):
  l, r=map(int, input().split())
  r-=1
  
  print(np.sum((indexs-l)*(indexs-r)<=0))
  

### FIXED CODE ###

N, Q=map(int, input().split())
S=input()
counter=[0]*N
for i in range(N-1):
  if S[i:i+2]=='AC':
    counter[i]+=1
    
  counter[i+1]=counter[i]

counter=[0]+counter
for i in range(Q):
  l, r=map(int, input().split())
  print(counter[r-1]-counter[l-1])
### BUGGY CODE ###

n = int(input())
l = list(map(int, input().split()))
l.sort()
s = 0
for i in range(n-2):
  for j in range(i+1,n-1):
    for k in range(j+1,n):
      ab = abs(l[i]-l[j])
      if l[k] >= l[i] + l[j]:
        break
      if ab < l[k]:
        s += 1
print(s)

### FIXED CODE ###

n = int(input())
l = list(map(int, input().split()))
l.sort()
s = 0
for i in range(n-2):
  for j in range(i+1,n-1):
    high = n-1
    low = j+1
    ab = l[i] + l[j]
    if l[j+1] >= ab:
      continue
    while high - low > 1:
      mid = (high+low)//2
      if l[mid] < ab:
        low = mid
      else:
        high = mid
    if l[high] < ab:
      s += high - j
    else:
      s += low - j
print(s)
### BUGGY CODE ###

k = int(input())
import fractions

sum = 0
for i in range(1,k+1):
    for j in range(1,k+1):
        for m in range(1,k+1,):
           sum += (fractions.gcd(fractions.gcd(i,j),m))
print(sum)

### FIXED CODE ###

n = int(input())
import math

ans = 0
for i in range(1,n+1):
    for j in range(i, n+1):
        for k in range(j, n+1):
            if i == j and j == k:
                ans += i
            
            elif len({i,j,k}) == 2:
                ans += math.gcd(math.gcd(i,j),k)*3
            
            elif len({i,j,k}) == 3:
                ans += math.gcd(math.gcd(i,j),k)*6
        
print(ans)
### BUGGY CODE ###

N = int(input())
S = []
for n in range(N):
    S.append(input())

Y=[]
for s in S:
    X = []
    for w in s:
        X.append(w)
        X.sort()
    Y.append(X)

ans_d = 0

for n in range(N):
    for i in range(N):
        if i == n:
            pass
        else:
            if Y[n] == Y[i]:
                ans_d += 1
            else:
                pass

ans = ans_d / 2
print(round(ans))

### FIXED CODE ###

import collections
import math

def combination(n, m):
    return math.factorial(n) / (math.factorial(n - m) * math.factorial(m))

N = int(input())
S = []
for n in range(N):
    S.append(str(input()))

ans = 0
Y=[]
for s in S:
    X = []
    for w in s:
        X.append(w)
        X.sort()
        y = ''.join(X)
    Y.append(y)

c = collections.Counter(Y)
C = c.most_common()
len_C = len(C)

for n in range(len_C):
    if C[n][1] > 1:
        ans += combination(C[n][1], 2)
    else:
        pass

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

N = int(input())
ans = 0
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]
for i in range(1,N):
    n = N - i
    m = len(make_divisors(n))
    ans += m
print(ans)


### FIXED CODE ###

N = int(input())
ans = 0
for i in range(1,N):
    x = (N-1)//i
    ans += x
print(ans)
### BUGGY CODE ###

def main():
    import collections

    S = input()

    mod_list = [0]+[False for i in range(len(S))]

    for i in range(len(S)):
        index = len(S) - i - 1
        
        num = int(S[index:])
        mod_list[i+1] = num % 2019


    CTR_mod_list = collections.Counter(mod_list).most_common()
    cnt = 0

    for i in range(len(CTR_mod_list)):
        n = CTR_mod_list[i][1]
        cnt += n * (n - 1) // 2

    print(cnt)

if __name__ == '__main__':
    main()

### FIXED CODE ###

def main():
    import collections

    S = input()

    mod_list = [0]

    for i in range(len(S)):
        index = len(S) - i - 1
        num = int(S[index])

        mod_list.append((mod_list[-1] + num * pow(10, i, 2019)) % 2019)

    CTR_mod_list = collections.Counter(mod_list).most_common()
    cnt = 0

    for i in range(len(CTR_mod_list)):
        n = CTR_mod_list[i][1]

        if (n == 1):
            break

        cnt += n * (n - 1) // 2

    print(cnt)

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

N=int(input())
L=[]
A=0

for i in range(N):
  d=''.join(sorted(str(input())))
  if d in L:
    A+=L.count(d)
  L.append(d)

print(A)

### FIXED CODE ###

n = int(input())
s = [''.join(sorted(input())) for _ in range(n)]
d = {}
ans = 0
for string in s:
    if string in d:
        ans += d[string]
        d[string]+=1
    else:
        d[string]=1
print(ans)
### BUGGY CODE ###

def main():
    N = int(input())
    l = []
    for i in range(N):
        a = list(map(int, input().split()))
        l.append(a)
    ans = 0
    for i in range(N):
        for j in range(i+1, N):
            if i == j:
                continue
            for k in range(N):
                if k == i or k == j:
                    continue
                if l[i][j] == l[i][k] + l[k][j]:
                    break
                if l[i][j] > l[i][k] + l[k][j]:
                    return -1
            else:
                ans += l[i][j]
    return ans
print(main())


### FIXED CODE ###

def main():
    N = int(input())
    l = []
    for i in range(N):
        a = list(map(int, input().split()))
        l.append(a)
    ans = 0
    for i in range(N):
        for j in range(i+1, N):
            if i == j:
                continue
            for k in range(N):
                if k == i or k == j:
                    continue
                if l[i][j] == l[i][k] + l[k][j]:
                    break
                if l[i][j] > l[i][k] + l[k][j]:
                    return -1
            else:
                ans += l[i][j]
    return ans
print(main())
### BUGGY CODE ###

import numpy as np
N = int(input())
h_array = np.array(list(map(int, input().split()))).reshape(-1)


def cost_diff(num, span, given_array):
    diff_val = np.abs(given_array[num] - given_array[num - span])
    return diff_val


dp = [[] for i in range(N)]
diff_ini = cost_diff(1, 1, h_array)

for i in range(N):
    if i == 0:
        dp[0].append(0)
    elif i == 1:
        dp[1].append(min(dp[0] + diff_ini))
    else:
        tmp_1 = list(dp[i - 1] + cost_diff(i, 1, h_array))
        tmp_2 = list(dp[i - 2] + cost_diff(i, 2, h_array))
        tmp = tmp_1 + tmp_2
        dp[i].append(min(tmp))
print(dp[N - 1][0])

### FIXED CODE ###

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

dp = [10 ** 5 for i in range(N)]

for i in range(N):
    if i == 0:
        dp[0] = 0
    elif i == 1:
        dp[1] = dp[0] + abs(h_array[1] - h_array[0])
    else:
        dp[i] = min(dp[i - 1] + abs(h_array[i] - h_array[i - 1]), dp[i - 2] + abs(h_array[i] - h_array[i - 2]))
print(dp[N - 1])
### BUGGY CODE ###

import math
k = int(input())
ans=0
for x in range(1,k+1):
    for y in range(1,k+1):
        for z in range(1,k+1):
            ans += math.gcd(math.gcd(x, y),z)
print(ans)

### FIXED CODE ###

from math import gcd
k = int(input())
ans = 0
for x in range(1, k + 1):
    for y in range(1, k + 1):
        a = gcd(x, y)
        for z in range(1, k + 1):
            ans += gcd(a, z)
print(ans)
### BUGGY CODE ###

import math

k = int(input())
ans = 0
for l in range(1,k+1):
  for m in range(1,k+1):
    for n in range(1,k+1):
      ans += math.gcd(math.gcd(l,m),n)

print(ans)

### FIXED CODE ###

import math
import itertools
def gcd(lst):
  return math.gcd(math.gcd(lst[0],lst[1]), lst[2])

k = int(input())
lst = [i for i in range(1,k+1)]
itr = itertools.combinations_with_replacement(lst, 3)
ans = 0

for i in itr:
  st = set(i)
  num = len(st)
  if num == 1:
    ans += i[0]
  elif num == 2:
    a,b = st
    ans += math.gcd(a,b) * 3
  else:
    ans += math.gcd(math.gcd(i[0],i[1]), i[2]) * 6

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

import sys
N,D,A=[int(i) for i in input().split(" ")]
enemies=[]
for i in range(N):
    X,H=[int(j) for j in input().split(" ")]
    enemies.append([X,H])

enemies=sorted(enemies,key=lambda w:w[0])

if enemies[-1][0]-enemies[0][0]<=2*D:
    hpmax=sorted(enemies,key=lambda  w:w[1])[-1][1]
    if hpmax%A==0:
        print(hpmax//A)
    else:
        print(hpmax//A+1)
    sys.exit()


retval=0
for i in range(N):
    hp=enemies[i][1]
    place=enemies[i][0]
    if hp<=0:
        continue
    if hp%A==0:
        bomb=hp//A
    else:
        bomb=hp//A+1
    retval+=bomb

    for j in range(i,N):
        if enemies[j][0]-place>2*D:
            break
        enemies[j][1]-=bomb*A



print(retval)


### FIXED CODE ###

import sys
N,D,A=[int(i) for i in input().split(" ")]
enemies=[]
for i in range(N):
    X,H=[int(j) for j in input().split(" ")]
    enemies.append([X,H])

enemies=sorted(enemies,key=lambda w:w[0])

if enemies[-1][0]-enemies[0][0]<=2*D:
    hpmax=sorted(enemies,key=lambda  w:w[1])[-1][1]
    if hpmax%A==0:
        print(hpmax//A)
    else:
        print(hpmax//A+1)
    sys.exit()


retval=0
for i in range(N):
    hp=enemies[i][1]
    place=enemies[i][0]
    if hp<=0:
        continue
    if hp%A==0:
        bomb=hp//A
    else:
        bomb=hp//A+1
    retval+=bomb

    for j in range(i,N):
        if enemies[j][0]-place>2*D:
            break
        enemies[j][1]-=bomb*A



print(retval)
### BUGGY CODE ###

n = int(input())
a = list(map(int, input().split()))
mod = 1000000007
ans = 0
for i in range(len(bin(max(a)))-2):
  x = 0
  for j in range(n):
    if (a[j] >> i) & 1:
      x += 1
  ans += x*(n-x)*(2**i)
  ans %= mod
print(ans)

### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
mod = 1000000007
ml = len(bin(max(a)))-2
ans = 0
for i in range(ml):
  x = sum([1 for j in a if ((j>>i) & 1)])
  ans += x*(n-x)*(2**i)
  ans %= mod
print(ans)