Harryxun/stf_run huggingface dataset:
import numpy as np
n = int(input())
A = np.array(list(map(int, input().split())))
mod = 10 ** 9 + 7
ans = 0
for i in range(60):
    tmp = A & 1
    A >>= 1
    x = np.count_nonzero(tmp)
    x *= n - x
    ans = (ans + pow(2, i, mod) * x) % mod
print(ans)

### FIXED CODE ###

import numpy as np
n = int(input())
A = np.array(list(map(int, input().split())))
mod = 10 ** 9 + 7
ans = 0
for i in range(60):
    tmp = (A >> i) & 1
    x = np.count_nonzero(tmp)
    x *= n - x
    ans = (ans + pow(2, i, mod) * x) % mod
print(ans)
import math
x,y,r = 0,0,90
while True:
  m,n = map(int,raw_input().split(','))
  if (m,n) == (0,0):
    break
  y += m * math.sin(math.radians(r))
  y
  x+= m * math.cos(math.radians(r))
  r -= n
print(int(x))
print(int(y))

### FIXED CODE ###

import math
x,y,r = 0,0,90
while True:
  m,n = map(int,input().split(','))
  if (m,n) == (0,0):
    break
  y += m * math.sin(math.radians(r))
  x += m * math.cos(math.radians(r))
  r -= n
print(int(x))
print(int(y))
a,b = (int(i) for i in input.split())
print(a * b , a * 2 + b * 2) 

### FIXED CODE ###

a,b = [int(i) for i in input().split()]
print(a * b , a * 2 + b * 2)
n = int(input())
xyh = [tuple(map(int,input().split())) for i in range(n)]

for cx in range(101):
    for cy in range(101):
        ch = None
        okflag = True
        for x,y,h in xyh:
            if h == 0:
                if ch > abs(x-cx) + abs(y-cy):
                    okflag = False
                    break
                continue
            if ch == None:
                ch = h + abs(x-cx) + abs(y-cy)
                continue

            if ch != h + abs(x-cx) + abs(y-cy):
                okflag = False
                break

        if okflag == True:
            print(cx, cy, ch)
            exit()
            

### FIXED CODE ###

n = int(input())
xyh = [tuple(map(int,input().split())) for i in range(n)]

candidates =[]

for cx in range(101):
    for cy in range(101):
        ch = None
        for x,y,h in xyh:
            if h == 0:

                continue
            if ch == None:
                ch = h + abs(x-cx) + abs(y-cy)
                continue

            if ch != h + abs(x-cx) + abs(y-cy):
                break

        else:
            xyh_c = (cx, cy, ch)
            candidates.append(xyh_c)

for xyh_c in candidates:
    cx, cy, ch = xyh_c
    for x,y,h in xyh:
        if h != max(ch - abs(x-cx) - abs(y-cy) ,0):
            break
    else:
        print(cx, cy, ch)
        exit()
n = int(input())
a_list = [int(x) for x in input().split()]

node = 1
sum_node = 1
flg = False
node_list = [node]

for i in range(len(a_list)-1):
  num = a_list[i]
  next = node-num
  if next < 0:
    flg = True
    break
  node = next*2
  node_list.append(node)
  sum_node += node
  
diff = node - a_list[-1]
if diff < 0:
  flg = True

diff = a_list[-1]
res_list = [a_list[-1]]
for i in range(len(a_list)-2,-1,-1):
  v = node_list[i] - a_list[i] # 枝の数
  diff = min(diff,v) 
  res_list.append(diff+a_list[i])
  diff = diff + a_list[i]

if flg:
  print(-1)
else:
  print(sum(res_list))

### FIXED CODE ###

n = int(input())
a_list = [int(x) for x in input().split()]

node = 1
flg = False
node_list = [node]

for i in range(len(a_list)-1):
  num = a_list[i]
  next = node-num
  if next < 0:
    flg = True
    break
  node = next*2
  node_list.append(node)

if node - a_list[-1] < 0:
  flg = True
else:
  diff = a_list[-1]
  res_list = [a_list[-1]]
  for i in range(len(a_list)-2,-1,-1):
    v = node_list[i] - a_list[i] # 枝の数
    diff = min(diff,v) + a_list[i]
    res_list.append(diff)

if flg:
  print(-1)
else:
  print(sum(res_list))
N,M=map(int,input().split())
N=[[0,0]]*(N+1)
L=list(list(map(input().split())) for j in range(M))
win=0
penalty=0
if M==0:
  print(0,0)
else:
  for i in range(M):
    m=int(L[i][0])
    eff=str(L[i][1])
    if eff=="WA":
      if N[m][0]!=1:
        N[m][1]+=1
      else:
        continue
    else:
      if N[m][0]!=1:
        N[m][0]=1
        win+=1
        penalty+=N[m][1]
      else:
        continue
  print(win,penalty)
      


### FIXED CODE ###

n,m=map(int,input().split())
ps=[list(input().split()) for i in range(m)]
pen=[0]*n
rig=[0]*n

for i in range(m):
  if ps[i][1] == "AC":
    rig[int(ps[i][0])-1]=1
  else:
    if rig[int(ps[i][0])-1] == 0:
      pen[int(ps[i][0])-1]+=1

cnt1,cnt2=0,0
for i in range(n):
  if rig[i]==1:
    cnt1+=rig[i]
    cnt2+=pen[i]
    
print(str(cnt1)+" "+str(cnt2))
def solve():
    hm = {}
    steps = k
    curr = 0
    loopsize = 0
    pre = 0
    while not str(curr) in hm and steps > 0:
        hm[str(curr)] = pre
        pre+=1
        curr = a[curr] - 1
        steps -= 1
        loopsize += 1
    loopsize -= hm[str(curr)]
    steps %= loopsize
    while steps > 0:
        curr = a[curr] - 1
        steps -= 1
    print(curr + 1)
    return



n, k = [int(i) for i in input().split(" ")]
a = [int(i) for i in input().split(" ")]
solve()


### FIXED CODE ###



def solve():
    hm = {}
    steps = k
    curr = 0
    loopsize = 0
    pre = 0
    while not str(curr) in hm and steps > 0:
        hm[str(curr)] = pre
        pre+=1
        curr = a[curr] - 1
        steps -= 1
        loopsize += 1
    if str(curr) in hm:
        loopsize -= hm[str(curr)]
    steps %= loopsize
    while steps > 0:
        curr = a[curr] - 1
        steps -= 1
    print(curr + 1)
    return



n, k = [int(i) for i in input().split(" ")]
a = [int(i) for i in input().split(" ")]
solve()
n, k = map(int, input().split())
L = list(map(int, input().split()))
L.sort()
L.reverse()
print(L[0] + L[1] + L[2])

### FIXED CODE ###

n, k = map(int, input().split())
L = list(map(int, input().split()))
new_list = sorted(L, reverse=True)
ans = 0
for i in range(k):
    ans += new_list[i]
print(ans)
n = int(input())
t,a = map(int,input().split())
l = []
ans = []

l = list(map(int,input().split()))
    
for i in range(n):
    ans.append(a - t - (l[i] * 0.006))

print(ans.index(min(ans,key=abs))+1)

### FIXED CODE ###

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

print(x+ y // 2)
a,b=map(int,input().split());print("{:d} {:d} {:.10f}".format(a//d,a%b,a/b))


### FIXED CODE ###

a,b=map(int,input().split());print(a//b,a%b,"{:.10f}".format(a/b))
t="qwertyuioplkjhgfdsazxcvbnm"
T="QWERTYUIOPLKJHGFDSAZXCVBNM"
a=str(input())
if a in t:
  print(a)
else:
  print(A)

### FIXED CODE ###

t="qwertyuioplkjhgfdsazxcvbnm"
T="QWERTYUIOPLKJHGFDSAZXCVBNM"
a=str(input())
if a in t:
  print('a')
else:
  print('A')
n,m = map(int,input().split())
h = list(map(int,input().split()))
l = [tuple(map(int,input().split())) for i in range(m)]
x = ["B"]*n
for t in l:
    if h[t[0]-1] <= h[t[1]-1]:
        x[t[1]-1]="G"
        x[t[0]-1]="B"
    elif h[t[0]-1] >= h[t[1]-1]:
        x[t[1]-1]="B"
        x[t[0]-1]="G"
    print(x)
print(x.count("G"))

### FIXED CODE ###

n,m = map(int,input().split())
h = tuple(map(int,input().split()))
l = set([tuple(map(int,input().split())) for i in range(m)])
x = [[] for i in range(n)]
ans=0
for t in l:
    x[t[0]-1].append(h[t[1]-1])
    x[t[1]-1].append(h[t[0]-1])
for k,li in enumerate(x):
    a = h[k]
    if li == []:
        ans+=1
    else:
        if a>max(li):
            ans+=1
print(ans)
#coding utf-8
A,B,K= map(int,input().split())
y = list(range(A,B + 1))
for i in y[0:K]:
    print(i)

for i in y[-1:-K-1:-1]:
    print(i)

### FIXED CODE ###

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

if (b-a+1) > 2*k:
    for i in range(a,a+k):
        print(i)
    for i in range(b-k+1,b+1):
        print(i)
else:
    for i in range(a,b+1):
        print(i)
h,w = map(int, input().split())
k = [list(input()) for i in range(h)]

ans = True
for i in range(h):
    for j in range(w):
        if k[i][j] == "#" and k[i-1][j] =="." and k[i][j-1] =="." and k[i+1][j] =="." and k[i][j+1] =="." :
            ans = True

if ans:
    print('Yes')

else:
    print('No')

### FIXED CODE ###

h,w = map(int, input().split())
k = [list(input()) for i in range(h)]

ans = True
for i in range(1,h-2):
    for j in range(1,w-2):
        if k[i][j] == "#" and k[i-1][j] =="." and k[i][j-1] =="." and k[i+1][j] =="." and k[i][j+1] =="." :
            ans = False

if ans:
    print('Yes')

else:
    print('No')
import math
r=int(input())
m=float('%03.7f'%math.pi)
s=m*(r**2)
l=(2*r)*m
print(s,l)

### FIXED CODE ###

import math
r=float(input())
m=float(math.pi)
s=r*r*m
l=2*r*m
print(s,l)
def main():
  r,D,X_2000=map(int,input().split())
  x=[]
  x.append(X_2000)
  for i in range(1:11):
    x.append(r*x[i-1]-D)
    print(x[i])
main()

### FIXED CODE ###

def main():
  r,D,X_2000=map(int,input().split())
  x=[]
  x.append(X_2000)
  for i in range(1,11):
    x.append(r*x[i-1]-D)
    print(x[i])
main()
N, K=map(int, input().split())
A=list(map(int, input().split()))
A.sort()
for _ in range(K):
    print(A)
    l=A.pop(len(A)-1)/2
    print(A)
    i=-1
    j=len(A)-1
    while i<=j:
        print(i,j)
        k=(i+j)//2
        print(k)
        if k==-1:
            A.insert(0, l)
            break
        elif k==len(A)-1:
            A.insert(l)
            break
        elif A[k]<=l and A[k+1]>=l:
            A.insert(k, l)
            A.insert(k, l)
            break
        elif A[k]>l:
            j=k-1
        else:
            i=k+1
print(math.ceil(A[len(A-1)]))



### FIXED CODE ###

import math
N, K=map(int, input().split())
A=list(map(int, input().split()))
i=1
j=10**9
while True:
    k=(i+j)//2
    if k>0 and sum([math.ceil(a/k)-1 for a in A])<=K:
        if k==1 or sum([math.ceil(a/(k-1))-1 for a in A])>K:
            print(k)
            break
        else:
            j=k-1
    else:
        i=k+1
N = int(input())
A = [i for i in range(N) input()]
k = 0
c = [ 0,0,0,0,0]
for i in A:
  if i[0] == m:
    c[0] += 1
  if i[0] == a:
    c[1] += 1
  if i[0] == r:
    c[2] += 1
  if i[0] == c:
    c[3] += 1
  if i[0] == h:
    c[4] += 1

if c.count(0) >= 3:
  k += c[0] * c[1] * c[2] + c[0] * c[1] * c[3] + c[0] * c[1] * c[4] + c[0] * c[2] * c[3] + c[0] * c[2] * c[4] + c[0] * c[3] * c[4] + c[1] * c[2] * c[3] + c[1] * c[2] * c[4] + c[1] * c[3] * c[4] + c[2] * c[3] * c[4] 

print(k)

### FIXED CODE ###

N = int(input())
A = []
for i in range(N):
    A.append(input())
k = 0
c = [ 0,0,0,0,0]
for i in A:
  if i[0] == 'M':
    c[0] += 1
  if i[0] == 'A':
    c[1] += 1
  if i[0] == 'R':
    c[2] += 1
  if i[0] == 'C':
    c[3] += 1
  if i[0] == 'H':
    c[4] += 1


if not c.count(0) >= 3:
  k += c[0] * c[1] * c[2] + c[0] * c[1] * c[3] + c[0] * c[1] * c[4] + c[0] * c[2] * c[3] + c[0] * c[2] * c[4] + c[0] * c[3] * c[4] + c[1] * c[2] * c[3] + c[1] * c[2] * c[4] + c[1] * c[3] * c[4] + c[2] * c[3] * c[4] 

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

sum=0
for i in range(n):
  sum=sum+b[a[i]]
  if i>0 | a[i-1] == a[i]+1:
    sum=sum+c[a[i-1]]
print(sum)

### FIXED CODE ###

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

sum=0
for i in range(n):
    sum=sum+b[i]
    if i>0 and a[i-1] == a[i]-1:
        sum=sum+c[a[i]-2]
print(sum)
if A[0] == "A" and  big == 2 and CNUM == 1 and A[-1] != "C":  
    print("AC")
else:
    print("WA")

### FIXED CODE ###

R = int(input())

if R < 1200:
    print("ABC")
elif  R < 2800:
    print("ARC")
else:
    print("AGC")
from scipy.sparse.csgraph import bellman_ford, csgraph_from_dense, NegativeCycleError
import numpy as np

n, m = map(int, input().split())
abc = [list(map(int, input().split())) for _ in range(m)]

adj = [[] for _ in range(n)]
for a, b, c in abc:
	a -= 1
	b -= 1
	adj[a].append([b, -c])

g = [[np.inf] * n for _ in range(n)]


def dfs(s):
	stack = [s]
	passed = [0] * n
	passed[s] = 1

	while stack:
		u = stack.pop()
		for v, c in adj[u]:
			if passed[v] == 0:
				passed[v] = 1
				stack.append(v)
			g[u][v] = c

	return passed


connected = dfs(0)
connected_nodes = [i for i, e in enumerate(connected) if e]
new = [-1] * n
for i, e in enumerate(connected_nodes):
	new[e] = i
l = len(connected_nodes)

g2 = [[np.inf] * l for _ in range(l)]
for i, e in enumerate(connected_nodes):
	for j, c in enumerate(g[e]):
		if new[j] != -1 and c != np.inf:
			g2[i][new[j]] = c

try:
	graph = csgraph_from_dense(g2, null_value=np.inf)
	dist = bellman_ford(graph, indices=0)
	ans = -int(dist[l-1])
	print(ans)

except NegativeCycleError:
	print("inf")



### FIXED CODE ###

n, m = map(int, input().split())
abc = [list(map(int, input().split())) for _ in range(m)]


def bellman_ford(s, g):
	dist = [float("inf")] * n
	dist[s] = 0
	negative = [False] * n
	for i in range(2 * n):
		for a, b, c in abc:
			a -= 1
			b -= 1
			c = -c

			if dist[b] > dist[a] + c:
				dist[b] = dist[a] + c
				if i >= n:
					negative[b] = True

	if negative[g]:
		ret = "inf"

	else:
		ret = -dist[g]

	return ret


ans = bellman_ford(0, n - 1)
print(ans)
s = input()
h = 0
for i in range(len(s)//2):
  if s[i] != s[s-i-1]:
    h += 1
print(h)

### FIXED CODE ###

s = input()
h = 0
for i in range(len(s)//2):
  if s[i] != s[len(s)-i-1]:
    h += 1
print(h)
#B
from functools import reduce
n = int(input())
a = tuple(map(int,input().split()))
flg = True
MAX = 10 ** 18
cnt = 1
a.sort()
result = reduce(lambda ans, x:ans * x, a)
if result > MAX:
    flg = False
    break
        
if flg:
    print(result)
else:
    print(-1)

### FIXED CODE ###

def main():
    N = int(input())
    A = list(map(int,input(). split ()))
    if 0 in A:
        print(0)
        return
    prod = 1
    for a in A:
        prod *= a
        if prod > 1000000000000000000:
            print(-1)
            return
    print(prod)
    
main()
# D
N, K = map(int, input().split())
A = list(map(int, input().split()))
dct = {i+1:a for i,a in enumerate(A)}
visited = [0] * N
visited[0] = 1
cnt = 0
if (K <= 2 * 10**5):
    nex = 1
    for _ in range(K):
        nex = dct[nex]
else:
    nex = 1
    for _ in range(N):
        cnt += 1
        nex = dct[nex]
        visited[nex-1] += 1
        if visited[nex-1] > 1:
            break
    cnt1 = 0
    nex1 = 1
    for _ in A:
        cnt1 += 1
        nex1 = dct[nex1]
        if nex1 == nex:
            break
    l = (K - cnt1) % (cnt - cnt1)
    for i in range(l):
        nex = dct[nex]
print(nex)

### FIXED CODE ###

# D
N, K = map(int, input().split())
A = list(map(int, input().split()))
dct = {i+1:a for i,a in enumerate(A)}
visited = [0] * N
visited[0] = 1
if (K <= 2 * 10**5):
    nex = 1
    for _ in range(K):
        nex = dct[nex]
    print(nex)
else:
    cnt = 0
    nex = 1
    for _ in range(N):
        cnt += 1
        nex = dct[nex]
        visited[nex-1] += 1
        if visited[nex-1] > 1:
            break
    cnt1 = 0
    nex1 = 1
    for _ in range(N):
        cnt1 += 1
        nex1 = dct[nex1]
        if nex1 == nex:
            break
    if (cnt - cnt1) == 0:
        print(1)
    else:
        l = (K - cnt1) % (cnt - cnt1)
        for i in range(l):
            nex = dct[nex]
        print(nex)
import math
n, X = map(int, input().split())

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

x.append(X)

sorted_x = sorted(x)
sorted_aaa = []

aaa = []

for (i, item) in enumerate(sorted_x):
    if i == 0:
        continue
    aaa.append(int(sorted_x[i] - sorted_x[i - 1]))

sorted_aaa = sorted(aaa)
res = 1 << 99

for (k, elm) in enumerate(sorted_aaa):
    # if elm % sorted_aaa[0] != 0:
    #     res = 1
    if len(sorted_aaa) == 1:
        res = sorted_aaa[k]
        break
    if k == 0:
        continue
    g = math.gcd(sorted_aaa[k - 1], sorted_aaa[k])
    if g < res:
        res = g

print(res)

### FIXED CODE ###

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

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

def gcd(a, b):
    """Calculate the Greatest Common Divisor of a and b.

    Unless b==0, the result will have the same sign as b (so that when
    b is divided by it, the result comes out positive).
    """
    while b:
        a, b = b, a%b
    return a

def solve():
    x.append(X)

    sorted_x = sorted(x)
    sorted_aaa = []

    aaa = []

    for (i, item) in enumerate(sorted_x):
        if i == 0:
            continue
        aaa.append(int(sorted_x[i] - sorted_x[i - 1]))

    sorted_aaa = sorted(aaa)
    res = 100000000
    # from math import gcd
    for (k, elm) in enumerate(sorted_aaa):
        if len(sorted_aaa) == 1:
            res = sorted_aaa[k]
            break
        if k == 0:
            continue
        g = gcd(sorted_aaa[k - 1], sorted_aaa[k])
        if g < res:
            res = g
    print(res)


if __name__ == '__main__':
    solve()
print(['Four','Three'][len(set(list(input().split())))-4])

### FIXED CODE ###

input();print(['Four','Three'][len(set(list(input().split())))-4])
import sys
input = sys.stdin.readline
N,K=map(int,input().rstrip().split())
h=list(map(int,input().rstrip().split()))

inf=10**9+7
dp=[inf]*N
 for i in range(N):
     dp[i]=1000000000000
dp[0]=0

for i in range(1,N,1):
    for k in range(1,K+1,1):
        if(i-k<0):
            continue
        dp[i]=min(dp[i],dp[i-k]+abs(h[i]-h[i-k]))
print(dp[N-1])

### FIXED CODE ###

import sys
input = sys.stdin.readline
N,K=map(int,input().rstrip().split())
h=list(map(int,input().rstrip().split()))

inf=10**9+7
dp=[inf]*N
dp[0]=0

for i in range(1,N,1):
    for k in range(1,K+1,1):
        if(i-k<0):
            continue
        dp[i]=min(dp[i],dp[i-k]+abs(h[i]-h[i-k]))
print(dp[N-1])
N = int(input())
n, p, score = N, 2, 0
while p ** 2 <= N:
  e = 1
  while n >= (p ** e) and n % (p ** e) == 0:
    n = n // (p ** e)
    score += 1
    e += 1
  else:
    p = p + 1 if p == 2 else p + 2
else:
  if sum([n % (i + 1) == 0 for i in range(p+1, n)]) == 1:
    score += 1
print(score)

### FIXED CODE ###

a, b = map(int, input().split())
print(a * b)
def compare_cards(a, b):
    return a[1] < b[1]
 
def bubble(C):
    for i in range(len(C)):
        for j in range(len(C) - 1, i, -1):
            if compare_cards(C[j], C[j - 1]):
                C[j], C[j - 1] = C[j -1], C[j]
                
def selection(C):
    for i in range(len(C)):
        mini = i
        for j in range(i, len(C)):
            if compare_cards(C[j], C[mini]):
                mini = j
        C[i], C[mini] = C[mini], C[i]
        
def check_stable(originC, sortedC):
    for i in range(len(originC) - 1):
        if not compare_cards(sortedC[i], sortedC[i + 1]):
            if originC.index(sortedC[i]) > originC.index(sortedC[i + 1]):
                return 'Not stable'
    return 'Stable'
 
         
N = int(input())
C = input().split()

bubbleC = C.copy()
selectionC = C.copy()

bubble(bubbleC)
#selection(selectionC)
print(*C)

### FIXED CODE ###

def compare_cards(a, b):
    return a[1] < b[1]

def bubble(C):
    for i in range(len(C)):
        for j in range(len(C) - 1, i, -1):
            if compare_cards(C[j], C[j - 1]):
                C[j], C[j - 1] = C[j -1], C[j]

def selection(C):
    for i in range(len(C)):
        mini = i
        for j in range(i, len(C)):
            if compare_cards(C[j], C[mini]):
                mini = j
        C[i], C[mini] = C[mini], C[i]

def check_stable(originC, sortedC):
    for i in range(len(originC) - 1):
        if not compare_cards(sortedC[i], sortedC[i + 1]):
            if originC.index(sortedC[i]) > originC.index(sortedC[i + 1]):
                return 'Not stable'
    return 'Stable'

        
N = int(input())
C = input().split()

bubbleC = list(C)
selectionC = list(C)

bubble(bubbleC)
selection(selectionC)

print(*bubbleC)
print(check_stable(C, bubbleC))
print(*selectionC)
print(check_stable(C, selectionC))
n = int(input())
if n % 2 == 1:
    print(0)
else:
    ans = 0
    n //= 2
    frac = 1
    for i in range(1, 26):
        frac *= 5
        ans += n // frac
print(ans)

### FIXED CODE ###

n = int(input())
if n % 2 == 1:
    print(0)
else:
    ans = 0
    n //= 2
    frac = 1
    for i in range(1, 26):
        frac *= 5
        ans += n // frac
    print(ans)
n = int(input())
dat = []
for i in range(n):
  a = int(input())
  if (a in dat)!:
    dat.append(a)
print(len(dat))

### FIXED CODE ###

n = int(input())
dat = []
for i in range(n):
  a = int(input())
  if dat.count(a)==0:
    dat.append(a)
print(len(dat))
import bisect
n,q=map(int,input().split())
s=input()
ac=[]
for i in range(n-1):
  if s[i]=="A" and s[i+1]=="C":
    ac.append(i+1)
for i in range(q):
  a,b=map(int,input().split())
  print(bisect.bisect_right(b-1)-bisect.bisect_left(a))

### FIXED CODE ###

import bisect
n,q=map(int,input().split())
s=input()
ac=[]
for i in range(n-1):
  if s[i]=="A" and s[i+1]=="C":
    ac.append(i+1)
for i in range(q):
  a,b=map(int,input().split())
  print(bisect.bisect_right(ac,b-1)-bisect.bisect_left(ac,a))
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 7)

S = list(input().strip())
K = int(input())

L = [i for i in S]


if len(S) == 1:
    if K == 1:
        print(0)
    else:
        print(S[2])
    sys.exit()

count = 0
tmp = S[0]
for i in range(1, len(S)):
    if S[i] == tmp:
        count += 1
        S[i] = "A"
        tmp = S[i]
    else:
        tmp = S[i]

count2 = 0
if S[0] == S[-1]:
    L[0] = "A"
    count2 += 1
    tmp = L[0]
    for i in range(1, len(L)):
        if L[i] == tmp:
            count2 += 1
            L[i] = "A"
            tmp = L[i]
        else:
            tmp = L[i]
    print((K//2)*count2 + (K//2+K%2)*count)
else:
    print(count * K)

### FIXED CODE ###

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

S = list(input().strip())
K = int(input())

L = [i for i in S]


if len(S) == 1:
    if K == 1:
        print(0)
    else:
        print(K//2)
    sys.exit()

count = 0
tmp = S[0]
for i in range(1, len(S)):
    if S[i] == tmp:
        count += 1
        S[i] = "A"
        tmp = S[i]
    else:
        tmp = S[i]

count2 = 0
if S[0] == S[-1]:
    L[0] = "A"
    count2 += 1
    tmp = L[0]
    for i in range(1, len(L)):
        if L[i] == tmp:
            count2 += 1
            L[i] = "A"
            tmp = L[i]
        else:
            tmp = L[i]
    if L[-1] == "A":
        print((K//2)*count2 + (K//2+K%2)*count)
    else:
        print(count + (K-1)*count2)
else:
    print(count * K)
a = int(input())
print(a.replace("?","D")

### FIXED CODE ###

a = input()
print(a.replace("?","D"))
N,X = map(int, input().split())
List = [int(x) for x in input().split()]
 
import math
List.append(X)
List.sort()
 
distance = []
for i in range(N):
    distance.append(List[i+1]-List[i])
 
d_min = min(distance)
 
num_list = []
 
c = 1
while c <= math.sqrt(d_min):
    if d_min%c == 0:
        num_list.append(c)
    c += 1
 
num_list2 = [0]*len(num_list)
for i in range(len(num_list)):
    num_list2[len(num_list)-i-1] = int(d_min/num_list[i])
 
num_list = num_list + num_list2
 
j = len(num_list)-1
c2 = 0
while j >= 0:
    for k in range(len(distance)):
        if distance[k]%num_list[j] == 0:
            c2 += 1
    if c2 == len(distance):
        ans = num_list[j]
        j = 0
    j -= 1
 
print(ans)

### FIXED CODE ###

A,B = map(int, input().split())
if (A*B)%2 == 0:
    print("No")
else:
    print("Yes")
L, R = map(int, input().split())

if R - L > 2019:
  print(0)
else:
  ans = 2018
  for i in range(L, R):
    for j in range(i + 1, R + 1):
      ans = min(ans, (i * j) % 2019)
print(ans)

### FIXED CODE ###

L, R = map(int, input().split())

if R - L >= 2019:
  print(0)
else:
  ans = 2018
  for i in range(L, R):
    for j in range(i + 1, R + 1):
      ans = min(ans, (i * j) % 2019)
  print(ans)
n, m = int(input()).split()
print('Yes') if n==m else print('No')

### FIXED CODE ###

n, m = input().split()
print('Yes') if n==m else print('No')