Harryxun/stf_run huggingface dataset:
import math

i = input().split()
n = int(i[1])
D = int(i[0])
num_list = []
count = 0
for i in range(n):
	num_list.append(list(map(int,input().split())))

for j in num_list:
    x = j[0]
    y = j[1]
    dist = math.sqrt(x ** 2 + y ** 2)
    if dist <= D:
        count += 1

print(count)

### FIXED CODE ###

import math
 
i = input().split()
n = int(i[0])
D = int(i[1])
num_list = []
count = 0
for i in range(n):
	num_list.append(list(map(int,input().split())))
 
for j in num_list:
    x = j[0]
    y = j[1]
    dist = math.sqrt(x ** 2 + y ** 2)
    if dist <= D:
        count += 1
 
print(count)
N,M = map(int, input().split())
def abc(n, m):
    if n<=abs(n-m):
        return n
    else:
        return abc(abs(n-m), m)
    p=abc(N,M)
print(p)

### FIXED CODE ###

N,M = map(int, input().split())
if N>=N%M:
    if N%M>=M-N%M:
        ans=M-N%M
    else:
        ans=N%M
else:
    ans=N
print(ans)
def main():
      a, v = map(int,input().split())
  b, w = map(int,input().split())
  t = int(input())
  ans = True

  a_can_plus = min(a + v * t, 10 ** 8)
  a_can_minus = max(a - v * t, -10 ** 8)
  b_can_plus = min(b + w * t, 10 ** 8)
  b_can_minus = max(b - w * t, -10 ** 8)

  if v - w < 0: 
    ans  = False
  elif a > b:
    if b_can_minus < a_can_minus:
      ans = False
    else:
      ans = True  
  elif a < b:
    if a_can_plus < b_can_plus:
      ans = False
    else:
      ans = True
      
  if ans:
    print("YES")
  else:
    print("NO")            


main()


### FIXED CODE ###

def main():
  a, v = map(int,input().split())
  b, w = map(int,input().split())
  t = int(input())
  ans = True

  if v - w < 0: 
    ans  = False
  elif (v - w) * t >= abs(a - b):
    ans = True
  else:
    ans = False
      
  if ans:
    print("YES")
  else:
    print("NO")            


main()
while(1):
	H, W = map(int, input().split())
	if H == 0 and W == 0:
		break
	for i in range(H):
		for j in range(W):
			print("#", end='')
			if j == W-1 and if i != H-1:
				print("")

### FIXED CODE ###

while(1):
	H, W = map(int, input().split())
	if H == 0 and W == 0:
		break
	for i in range(H):
		for j in range(W):
			print("#", end='')
		print("\n", end='')
	print("\n", end='')
A, B = list(map(int,input().split()))
result = A

diff = (B - A) // 2

if A % 2 == 0 and B % 2 == 0:
    if num_of_ones % 2 == 1:
         print(1 ^ B)
    else :
        print(0 ^ B)
elif A % 2 == 0 and B % 2 == 1:
    if num_of_ones % 2 == 1:
        print(1)
    else :
        print(0)
elif A % 2 == 1 and B % 2 == 0:
    if num_of_ones % 2 == 1:
        print(A ^ 1 ^ B)
    else :
        print(A ^ 0 ^ B)
else :
    if num_of_ones % 2 == 1:
        print(A ^ 1)
    else :
        print(A ^ 0)


### FIXED CODE ###

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

if A % 2 == 0 and B % 2 == 0:
    diff = (B - A + 1) // 2
    if diff % 2 == 1:
         print(1 ^ B)
    else :
        print(0 ^ B)
elif A % 2 == 0 and B % 2 == 1:
    diff = (B - A + 1) // 2
    if diff % 2 == 1:
        print(1)
    else :
        print(0)
elif A % 2 == 1 and B % 2 == 0:
    diff = (B - A) // 2
    if diff % 2 == 1:
        print(A ^ 1 ^ B)
    else :
        print(A ^ 0 ^ B)
else :
    diff = (B - A) // 2
    if diff % 2 == 1:
        print(A ^ 1)
    else :
        print(A ^ 0)
#include <stdio.h>
int main(void){
    // Your code here!
    int a,b,c;
    int i,cnt=0;
    scanf("%d%d%d",&a,&b,&c);
    if(a==5) cnt+=1;
    if(b==5) cnt+=1;
    if(c==5) cnt+=1;
    if(a+b+c==17 && cnt==2)
        printf("YES\n");
    else
        printf("NO\n");
}


### FIXED CODE ###

a = list(map(int,input().split()))
if sum(a)%17==0 and a.count(5)==2:
    print("YES")
else:
    print("NO")
n = int(input())
x = int(input(),2)

def popcount(x):
    x = x - ((x >> 1) & 0x5555555555555555)
    x = (x & 0x3333333333333333) + ((x >> 2) & 0x3333333333333333)

    x = (x + (x >> 4)) & 0x0f0f0f0f0f0f0f0f
    x = x + (x >> 8)
    x = x + (x >> 16)
    x = x + (x >> 32)
    return x & 0x0000007f
x_pop = popcount(x)
for i in reversed(range(0,n)):
    if x&(1<<i):
        tmp_pop = x_pop - 1
    else:
        tmp_pop = x_pop + 1
    tmp = (x^(1<<i)) % tmp_pop
    if tmp <= 0:
        print(1)
        continue
    cnt = 2
    tmp2 = tmp % popcount(tmp)
    while tmp2 > 0:
        tmp %= popcount(tmp)
        cnt += 1
        tmp2 %= popcount(tmp2)
    print(cnt)

### FIXED CODE ###

n = int(input())
s = input()
x = int(s, 2)
pcx = s.count("1")
pc1 = x % (pcx - 1) if pcx > 1 else 0
pc2 = x % (pcx + 1)

def f(j):
    cnt = 0
    while j:
        j %= bin(j).count("1")
        cnt += 1
    return cnt

for i, y in enumerate(s):
    k = n - 1 - i
    if y == "0":
        print(f((pc2 + pow(2, k, pcx + 1)) % (pcx + 1)) + 1)
    elif pcx > 1:
        print(f((pc1 - pow(2, k, pcx - 1)) % (pcx - 1)) + 1)
    else:
        print(0)
from math import sqrt
N, M = map(int, input().split())

import sys
sys.setrecursionlimit(10**6)

MOD = 10**9 + 7
F = [M]
for x in range(2, int(sqrt(M))+1):
    if M % x == 0:
        F.append(x)
        if x != M // x:
            F.append(M // x)
F.sort(reverse=1)
L = len(F)
FF = [1]*(L+1)
fact = [1]*100
rfact = [1]*100
for i in range(L):
    FF[i+1] = FF[i] * (N - i) % MOD
for i in range(99):
    fact[i+1] = r = fact[i] * (i+1)
    rfact[i+1] = pow(r, MOD-2, MOD)
memo = {}
def dfs(i, rest, k):
    key = (i, rest, k)
    if i == L:
        if rest > 1:
            return 0
        return FF[k]
    if key in memo:
        return memo[key]
    f = F[i]
    r = dfs(i+1, rest, k)
    c = 0
    while rest % f == 0:
        rest //= f
        c += 1
        r = (r + dfs(i+1, rest, k+c) * rfact[c]) % MOD
    memo[key] = r
    return r
print(dfs(0, M, 0))


### FIXED CODE ###

from math import sqrt
N, M = map(int, input().split())

import sys
sys.setrecursionlimit(10**6)

MOD = 10**9 + 7
F = [M]
for x in range(2, int(sqrt(M))+1):
    if M % x == 0:
        F.append(x)
        if x != M // x:
            F.append(M // x)
F.sort(reverse=1)
L = len(F)
FF = [1]*(L+1)
fact = [1]*100
rfact = [1]*100
for i in range(L):
    FF[i+1] = FF[i] * (N - i) % MOD
for i in range(99):
    fact[i+1] = r = fact[i] * (i+1)
    rfact[i+1] = pow(r, MOD-2, MOD)
memo = {}
def dfs(i, rest, k):
    key = (i, rest, k)
    if i == L:
        if rest > 1:
            return 0
        return FF[k]
    if key in memo:
        return memo[key]
    f = F[i]
    r = dfs(i+1, rest, k)
    c = 0
    while rest % f == 0:
        rest //= f
        c += 1
        r = (r + dfs(i+1, rest, k+c) * rfact[c]) % MOD
    memo[key] = r
    return r
if M == 1:
    print(1)
else:
    print(dfs(0, M, 0))
n, m = map(int, input().split())
x = [list(map(int, input().split())) for _ in range(m)]

t = [0] * n
for i in range(m):
   if(n > 1 and x[i][1] == 0):
      print(-1)
      exit()
   if(n > 1 and t[x[i][0]-1] > 0 and t[x[i][0]-1] != x[i][1]):
      print(-1)
      exit()

   t[x[i][0]-1] = x[i][1]

[print(t[i], end='') for i in range(m)]
print()


### FIXED CODE ###

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

t = [-1] * n
for _ in range(m):
   s, c = map(int, input().split())
   s -= 1

   if (t[s] != -1 and t[s] != c):
      print(-1)
      exit()
   t[s] = c

if (n > 1):
   if (t[0] == 0):
      print(-1)
      exit()

   if (t[0] == -1):
      t[0] = 1

   for i in range(1, n):
      if (t[i] == -1):
         t[i] = 0

else:
   if (t[0] == -1):
      t[0] = 0

print(''.join(map(str, t)))
N = int(raw_input().split()[0])
health = map(int, raw_input().split())


def gcd(a, b):
	while b:
		a, b = b, a%b
	return a

def gcd_driver(lst):
	if len(lst) > 2:
		lst[1] = gcd(lst[0], lst[1])
		return gcd_driver(lst[1:])
	else:
		return gcd(lst[0], lst[1])

print gcd_driver(health)

### FIXED CODE ###

N = int(raw_input())
health = map(int, raw_input().strip().split())

def gcd(a, b):
	while b:
		a, b = b, a % b
	return a

if len(health) == 1:
	print health[0]
else:
	g = gcd(health[0], health[1])
	for i in range(2, len(health)):
		g = gcd(g, health[i])
print g
n=int(input());print("No"if n%sum(map(int,str(s))) else"Yes")

### FIXED CODE ###

n=int(input());print("Yes"if n%sum([int(m)for m in str(n)])==0 else"No")
N=int(input())
l=list(map(int,input().split()))
l1=sorted(l)
ans=0
for i in range(N):
  if l[i]!=l1[i]:
    ans+=1
if ans==0 or ans==2:
  print('YES')
else:
  print('NO')

### FIXED CODE ###

x,y=map(int,input().split())
if (x+y)%2==0:
  print(int((x+y)/2))
else:
  print('IMPOSSIBLE')
n,t=map(int,input().split())
c,t=[list(map(int,input().split())) for _ in range(n)]
l=[]
for i in range(n):
  if t[i]<=t:
    l.append([c[i],t[i]])
    if len(l)==0:
      print('TLE')
    else:
      l.sort()
      print(l[0][0])
      

### FIXED CODE ###

n,T=map(int,input().split())
ans=1001
for i in range(n):
  c,t=map(int,input().split())
  if t<=T:
    ans=min(ans,c)
if ans==1001:
  print('TLE')
else:
  print(ans)
def edit_distance():
 s = raw_input()
 t = raw_input()
 a = len(s)
 b = len(t)
 x = [0 for i in range(b+1)]
 for i in range(a):
   q = s[i]
   x2 = x1+[]
   for j in range(b):
    if (q ==t[j]):
     x[j+1] =x2[j]+1
    elif (x[j+1]<x[j]):
     x[j+1] =x2[j]
 return x1[-1]
n = input()
for i2 in range(n):
 print edit_distance()

### FIXED CODE ###

def edit_distance():
 s = raw_input()
 t = raw_input()
 a = len(s)
 b = len(t)
 x = [0 for i in range(b+1)]
 for i in range(a):
   q = s[i]
   x2 = x+[]
   for j in range(b):
    if (q ==t[j]):
     x[j+1] =x2[j]+1
    elif (x[j+1]<x[j]):
     x[j+1] =x[j]
 return x[-1]

n = input()
for i2 in range(n):
 print edit_distance()
N = int(input())
A, B = [], []
for i in range(N):
    tm, p = map(int, input().split())
    A.append(tm), B.append(p)
A.sort(), B.sort()

a = A[N // 2] * 2 if N % 2 == 1 else A[N // 2] + A[N // 2 + 1]
b = B[N // 2] * 2 if N % 2 == 1 else B[N // 2] + B[N // 2 + 1]
print((b - a) // 2 + 1)


### FIXED CODE ###

N = int(input())
A, B = [], []
for i in range(N):
    tm, p = map(int, input().split())
    A.append(tm), B.append(p)
A.sort(), B.sort()

a = A[N // 2] * 2 if N % 2 == 1 else A[N // 2 - 1] + A[N // 2]
b = B[N // 2] * 2 if N % 2 == 1 else B[N // 2 - 1] + B[N // 2]

print((b - a) // 2 + 1 if N % 2 == 1 else b - a + 1)
n = int(input())
k = int(input())
s = list(str(n) for n input().split())

s = s[k]
s = s.lower()
print(s)


### FIXED CODE ###

N, K = (int(i) for i in input().split())
S = list(input())

S[K - 1] = S[K - 1].lower()
print(''.join(S))
def main():
    def DFS(v):
        if DP[v] != -1: return DP[v]

        res = 0
        for i in G[v]:
            res = max(res, DFS(i) + 1)

        DP[v] = res
        return res


    N, M = map(int, input().split())
    xy = [list(map(int, input().split())) for _ in range(M)]

    G = [[] for _ in range(N)]
    for i in range(M):
        G[xy[i][0] - 1].append(xy[i][1] - 1)

    DP = [-1] * N

    ans = 0
    for v in range(N):
        ans = max(ans, DFS(v))

    print(ans)


if __name__ == '__main__':
    main()

exit()


### FIXED CODE ###

from collections import deque


def main():
    N, M = map(int, input().split())
    xy = [list(map(int, input().split())) for _ in range(M)]

    G = [[] for _ in range(N)]
    ins = [0] * N
    for i in range(M):
        G[xy[i][0] - 1].append(xy[i][1] - 1)
        ins[xy[i][1] - 1] += 1

    DP = [0] * N
    queue = deque()
    for i in range(N):
        if ins[i] == 0:
            queue.append(i)

    while queue:
        v = queue.popleft()
        for i in G[v]:
            ins[i] -= 1
            if ins[i] == 0:
                DP[i] = max(DP[i], DP[v] + 1)
                queue.append(i)

    print(max(DP))


if __name__ == '__main__':
    main()

exit()
T  = int(input())
def gcd(a,b):
    if b==0: return a
    return gcd(b, a%b)
for _ in range(T):
    a,b,c,d =list( map(int, input().split()) )
    if a<b or d<b:
        print('No')
        continue
    a %= b
    d%=b
    d = gcd(d,b)
    if c>= b:
        print('Yes')
        continue
    x = (b-a)//d
    y = a+ x*d
    if y == b: y-=d
    if y>c:
        print('No')
    else:
        print('Yes')


### FIXED CODE ###

N  = int(input())
za = list( map(int, input().split()) )
res = 0
for i in range(1,N):
 if za[i]==za[i-1]:
  za[i] = -1
  res+=1

print(res)
import sys

n = input()
for i in range(1,n+1) :
	if i%3==0 :
		sys.stdout.write(??? ???)
		sys.stdout.write(str(i))
	elif(i%10==3):
		sys.stdout.write(??? ???)
		sys.stdout.wite(str(i))
print ??????

### FIXED CODE ###

import sys

n = input()
for i in range(1,n+1) :
	if i%3==0 :
		print(' '),
		sys.stdout.write(str(i))
	else:
		x = i
		while(x>0):
			if(x%10==3):
				print(' '),
				sys.stdout.write(str(i))
				break
			else :
				x/=10
print('')
import numpy as np

n, m = map(int, input().split())
h = np.array(list(map(int, input().split())))
nets = np.zeros((n,n))

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

ans = 0

for i in range(n):
    if (h[i] >max(h * nets[i])):
        ans += 1

print(ans)

### FIXED CODE ###

n, m = map(int, input().split())
h = list(map(int, input().split()))
nets = [0]*n

for _ in range(m):
    a,b = map(int, input().split())
    nets[a - 1] = max(nets[a-1], h[b-1])
    nets[b - 1] = max(nets[b-1], h[a-1])

ans = 0

#print(nets)

for i in range(n):
    if (h[i] >nets[i]):
        ans += 1

print(ans)
import sys
input = sys.stdin.readline

a, b = input().split()
"Odd" if (a*b) % 2 == 0 else "Even"

### FIXED CODE ###

import sys
input = sys.stdin.readline

a, b = map(int, input().split())
print("Even" if (a*b) % 2 == 0 else "Odd")
#!/usr/bin/env python3

#import
#import math
#import numpy as np
N = int(input())
A = list(map(int, input().split()))

dp = [[-1] * (N + 1) for _ in range(N + 1)]

# 半開区間A[r,l)における最大スコア
def calc(r, l):
    if dp[r][l] != -1:
        return dp[r][l]

    if l - r == 1:
        return A[r]

    elif l - r == 2:
        return max(A[r], A[r + 1]) - min(A[r], A[r + 1])

    res = max(A[r] - calc(r + 1, l), A[l - 1] - calc(r, l - 1))
    dp[r][l] = res
    return res

ans = calc(0, N)

print(ans)

### FIXED CODE ###

#!/usr/bin/env python3

import sys
sys.setrecursionlimit(10**9)
#import
#import math
#import numpy as np
N = int(input())
A = list(map(int, input().split()))

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


for w in range(1, N + 1):
    for l in range(N - w + 1):
        r = w + l
        dp[l][r] = A[l] - dp[l + 1][r]
        if r > 0:
            dp[l][r] = max(dp[l][r], A[r - 1] - dp[l][r - 1])

print(dp[0][N])
import requests
import math
import random

def quick_sort(arr):
    left = []
    right = []
    if len(arr) <= 1:
        return arr

    # データの状態に左右されないためにrandom.choice()を用いることもある。
    # ref = random.choice(arr)
    ref = arr[0]
    ref_count = 0

    for ele in arr:
        if ele < ref:
            left.append(ele)
        elif ele > ref:
            right.append(ele)
        else:
            ref_count += 1
    left = quick_sort(left)
    right = quick_sort(right)
    return left + [ref] * ref_count + right


if __name__ == "__main__":
    s = input()
    if s[2]==s[3] and s[4]==s[5]:
        print('Yes')
    else:
        print('No')
            



      
# for i in range(10):
#     print(i)
#     if i%5==4:
#         break

### FIXED CODE ###



def quick_sort(arr):
    left = []
    right = []
    if len(arr) <= 1:
        return arr

    # データの状態に左右されないためにrandom.choice()を用いることもある。
    # ref = random.choice(arr)
    ref = arr[0]
    ref_count = 0

    for ele in arr:
        if ele < ref:
            left.append(ele)
        elif ele > ref:
            right.append(ele)
        else:
            ref_count += 1
    left = quick_sort(left)
    right = quick_sort(right)
    return left + [ref] * ref_count + right


if __name__ == "__main__":
    s = input()
    if s[2]==s[3] and s[4]==s[5]:
        print('Yes')
    else:
        print('No')
            



      
# for i in range(10):
#     print(i)
#     if i%5==4:
#         break
import sys

def cheaperprice(item):
    rawprice=rawprices[item]
    if item in checkloop:
        return rawprice
    elif item not in menus 
        checkloop.append(item)
        return rawprice
    else:
        checkloop.append(item)
        indegrients=menus[item]
        combinedprice=0
        for i in indegrients:
            combinedprice+=cheaperprice(i)
        return min(combinedprice,rawprice)


n=0 #how many numbers of lists
flag=0
rawprices={}
menus={}
checkloop=[]
for line in sys.stdin:
    line=line.strip()
    if n==0:
        if flag==0 and line=='0':
            break
        elif flag!=2:
            n=int(line)
        else:
            print cheaperprice(line)
            rawprices={}
            menus={}
            checkloop=[]
        flag=(flag+1)%3
    else:
        line=line.split(' ')
        if flag==1: #rawprices
            rawprices[line[0]]=int(line[1])
        elif flag==2:
            menus[line[0]]=line[2:]
        n-=1

### FIXED CODE ###

while(1):
    n=int(raw_input())
    if n==0:
        break
    else:
        pricelist=[]
        recipedict={}
        costdict={}
        for i in range(n):
            [ii,p]=raw_input().split()
            pricelist.append([ii,int(p)])
            costdict[ii]=1000000000000
        pricelist.sort(key=lambda x:x[1])
        m=int(raw_input())
        for i in range(m):
            rec=raw_input().split()
            o=rec[0]
            k=int(rec[1])
            recipedict[o]=rec[2:]
        query=raw_input()
        while(1):
            cheapest=pricelist.pop(0)
            #if able to make
            if cheapest[0] in recipedict:
                priceifmade=0
                for reqitem in recipedict[cheapest[0]]:
                    priceifmade=priceifmade+costdict[reqitem]
                if priceifmade<cheapest[1]:
                    costdict[cheapest[0]]=priceifmade
                else:
                    costdict[cheapest[0]]=cheapest[1]
            else:
                costdict[cheapest[0]]=cheapest[1]
            for item in recipedict:
                priceifmade=0
                for reqitem in recipedict[item]:
                    priceifmade=priceifmade+costdict[reqitem]
                if priceifmade<costdict[item]:
                    costdict[item]=priceifmade
            if cheapest[0]==query:
                print costdict[cheapest[0]]
                break
#049_C
s = input()

def dfs(x):
    if x == s:
        return True
    if len(x) > len(s):
        return False

    if any (dfs(x + k) for k in ['dream', 'dreamer', 'erase', 'eraser']):
        return True
    
    return False

print('YES' if dfs('') else 'NO')

### FIXED CODE ###

#049_C
s = input()[::-1]
k = ['maerd', 'remaerd', 'esare', 'resare']

tmp = 0
flg = True
while tmp < len(s):
    check = False
    for x in k:
        if s[tmp: tmp + len(x)] == x:
            check = True
            tmp += len(x)
    if check == False:
        flg = False
        break
        
print('YES' if flg else 'NO')
s,t=map(input().split())
res=t+s
print(res)

### FIXED CODE ###

arr=list(input().split())
res=arr[1]+arr[0]
print(res)
# coding=utf-8
# Date: 2020-04-07 00:38

get = lambda: int(raw_input().strip())
getl = lambda: raw_input().strip()
gets = lambda: map(int, raw_input().strip().split())
getss = lambda n: [gets() for _ in xrange(n)]


n = get()
G = [[] for i in xrange(n + 1)]
for i in xrange(n - 1):
    i, j = gets()
    G[i].append(j)
    G[j].append(i)
mod = 10**9 + 7


def dfs(i, pre=0):
    black, white = 1, 1
    for j in G[i]:
        if j == pre: continue
        b, w = dfs(j, i)
        black = black * w % mod
        white = white * (b + w) % mod
    return [black, white]
print sum(dfs(1)) % mod


### FIXED CODE ###

# coding=utf-8
# Date: 2020-04-07 00:38

import sys
sys.setrecursionlimit(10**6)

get = lambda: int(raw_input().strip())
getl = lambda: raw_input().strip()
gets = lambda: map(int, raw_input().strip().split())
getss = lambda n: [gets() for _ in xrange(n)]

n = get()
G = [[] for i in xrange(n + 1)]
for i in xrange(n - 1):
    i, j = gets()
    G[i].append(j)
    G[j].append(i)
mod = 10**9 + 7


def dfs(i, pre=0):
    black, white = 1, 1
    for j in G[i]:
        if j == pre: continue
        b, w = dfs(j, i)
        black = black * w % mod
        white = white * (b + w) % mod
    return [black, white]
print sum(dfs(1)) % mod
print((int(input()))**3/27)

### FIXED CODE ###

n, m = list(map(int,input().strip().split()))
print(((n- 1)*(n))//2 + ((m-1)*(m))//2)
import math

r = int(input())

s = r*r*math.pi()
l = 2*r*math.pi()

print(str(s) + " " + str(l))

### FIXED CODE ###

r = float(input())

s = r * r * 3.14159265358979
l = 2 * r * 3.14159265358979
 
print(s, end = " ")
print(l)
a = int("".join(input.split()))
print("YES" if a % 4 == 0 else "NO")

### FIXED CODE ###

a = int("".join(input().split()))
print("YES" if a % 4 == 0 else "NO")
N = int(input())
P = list(map(int,input().split()))
cnt = 0
for i in range(1, N+1):
  if P[i-1] == i:
    tmp = P[i-1]
    P[i-1] = P[i]
    P[i] = tmp
    cnt += 1
print(cnt)

### FIXED CODE ###

N = int(input())
P = list(map(int,input().split()))
cnt = 0
for i in range(1, N):
  if P[i-1] == i:
    tmp = P[i-1]
    P[i-1] = P[i]
    P[i] = tmp
    cnt += 1
if P[N-1] == N:
  tmp = P[N-1]
  P[N-1] = P[N-2]
  P[N-2] = tmp
  cnt += 1
print(cnt)
a.b = map(int,input().split(" "))
if (a * b) % 2 == 1 or (a * b * 3) % 2 == 1:
  print("Yes")
else:
  print("No")

### FIXED CODE ###

a,b = map(int,input().split(" "))
if (a * b) % 2 == 1 or (a * b * 3) % 2 == 1:
  print("Yes")
else:
  print("No")
n = int(input())
aaa = map(int, input().split())

length = 0
lengths = []
for a in aaa:
  length += a
  lengths.append(length)
  
diff = 200000 * 2020202020
for l in lengths:
  if abs(l - (length - l)) < diff:
    diff = abs(l - (length - l))
  else:
    break
    
print(diff)

### FIXED CODE ###

x, y = map(int, input().split())

score = 0

for z in [x, y]:
  if z == 1:
    score += 300000
  elif z == 2:
    score += 200000
  elif z == 3:
    score += 100000

if (x == 1) and (y == 1):
  score += 400000
  
print(score)
n,s = input().split()
s = list(s)

count = 0

for i in range(0,len(s)):
    for j in range(i,len(s)):
        for k in range(j,len(s)):
            if(j-i != k-j) and (s[i] != s[j] and s[i] != s[k] and s[j] != s[k]):
                count += 1


print(count)


### FIXED CODE ###

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

s = list(s)

k = r = b = g = count = 0

for i in range(len(s)):
    for j in range(i+1,len(s)):
        k = 2*j-i
        if k < n and s[i] != s[j] and s[i] != s[k] and s[j] != s[k]:
            count += 1    

rbg = s.count("R")*s.count("B")*s.count("G")

print(rbg-count)
import collections

# N, K = map(int, input().split())
# A = list(map(int, input().split()))
N = int(input())
K = int(input())
X = int(input())
Y = int(input())

ans = 0
for i in range(N):
  if i < K:
    ans += X
    else:
      ans += Y
print(ans)

### FIXED CODE ###

# N, K = map(int, input().split())
# A = list(map(int, input().split()))
N = int(input())
K = int(input())
X = int(input())
Y = int(input())

ans = 0
for i in range(N):
  if i < K:
    ans += X
  else:
    ans += Y
print(ans)
def two_int():
    N, K = map(int, input().split())
    return N,K

def one_int():
    return int(input())

def one_str():
    return input()

def many_int():
    return list(map(int, input().split()))
# import sys
# input = sys.stdin.readline

N=one_int()
S=one_str()

first_start_index=S.index("(")

count=0
for i in range(first_start_index, N):
    if S[i]=="(":
        count += 1
    else:
        count -= 1

#count　がプラス   => その分閉じカッコが後ろにつく
#count  がマイナス => その分開始カッコが銭湯に付く
ans=S
if count >0:
    ans+= ")"*count
else:
    ans = "("*int(abs(count)) +ans

ans = first_start_index*"(" + ans

print(ans)

### FIXED CODE ###

def two_int():
    N, K = map(int, input().split())
    return N,K

def one_int():
    return int(input())

def one_str():
    return input()

def many_int():
    return list(map(int, input().split()))
# import sys
# input = sys.stdin.readline

N=one_int()
S=one_str()

head = 0
tail = 0

point=0
for a in S:
    if a =="(":
        point+=1
    else:
        point -=1
    if point<0:
        head += 1
        
        #ここで先頭にカッコをつけるのでその分のポイントは差し引き０
        point += 1


print("("*head + S + abs(point)*")")