Harryxun/stf_run huggingface dataset:
import sys
input = sys.stdin.readline

def main():
  n = int(input())
  F = [[] for _ in range(n)]
  for _ in range(n-1):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    F[a].append(b)
    F[b].append(a)
  seenB = [False]*n
  seenW = [False]*n
  seenB[n-1] = True
  seenW[0] = True
  def dfs(v, seen):
    seen[v] = True
    for nv in F[v]:
      if seen[nv]:
        continue
      dfs(nv, seen)
  dfs(0, seenB)
  dfs(n-1, seenW)
  print(seenB, seenW)
  aplusc = seenB.count(True) - 2
  bplusc = seenW.count(True) - 2
  print(aplusc, bplusc)
  c = aplusc + bplusc + 2 - n
  a = aplusc - c
  b = bplusc - c
  print(a, b, c)
  if c%2 == 0:
    if a > b:
      print("Fennec")
    else:
      print("Snuke")
  else:
    if a >= b:
      print("Fennec")
    else:
      print("Snuke")
      
if __name__ == '__main__':
  main()

### FIXED CODE ###

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

def main():
  n = int(input())
  F = [[] for _ in range(n)]
  for _ in range(n-1):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    F[a].append(b)
    F[b].append(a)
  seenB = [False]*n
  seenW = [False]*n
  distB = [0]*n
  distW = [0]*n
  def dfs(v, seen, dist):
    seen[v] = True
    for nv in F[v]:
      if seen[nv]:
        continue
      dist[nv] = dist[v] + 1
      dfs(nv, seen, dist)
  dfs(0, seenB, distB)
  dfs(n-1, seenW, distW)
  b, w = 0, 0
  for i in range(n):
    if distB[i] <= distW[i]:
      b += 1
    else:
      w += 1
  if b > w:
    print("Fennec")
  else:
    print("Snuke")
      
if __name__ == '__main__':
  main()
from collections import defaultdict, Counter
from itertools import product, groupby, count, permutations, combinations
from math import pi, sqrt
from collections import deque
from bisect import bisect, bisect_left, bisect_right
INF = float("inf")

from bisect import bisect, bisect_left, bisect_right



# Find rightmost value less than x
def find_lt(a, x):
    i = bisect_left(a, x)
    if i:
        return i
    raise ValueError



# Find leftmost value greater than x'
def find_gt(a, x):
    i = bisect_right(a, x)
    if i != len(a):
        return i
    raise ValueError




def main():
    N = int(input())
    A = list(sorted(list(map(int, input().split()))))
    B = list(sorted(list(map(int, input().split()))))
    C = list(sorted(list(map(int, input().split()))))

    ans = 0
    for b in B:
        a = find_lt(A, b)
        b = N - find_gt(C, b)
        ans += a * b
    print(ans)


if __name__ == '__main__':
    main()


### FIXED CODE ###

from collections import defaultdict, Counter
from itertools import product, groupby, count, permutations, combinations
from math import pi, sqrt
from collections import deque
from bisect import bisect, bisect_left, bisect_right
INF = float("inf")

from bisect import bisect, bisect_left, bisect_right



# Find rightmost value less than x
def find_lt(a, x):
    i = bisect_left(a, x)
    if i:
        return i
    return 0


# Find leftmost value greater than x'
def find_gt(a, x):
    i = bisect_right(a, x)
    if i != len(a):
        return i
    return len(a)


def main():
    N = int(input())
    A = list(sorted(list(map(int, input().split()))))
    B = list(sorted(list(map(int, input().split()))))
    C = list(sorted(list(map(int, input().split()))))

    ans = 0
    for b in B:
        a = find_lt(A, b)
        b = N - find_gt(C, b)
        ans += a * b
    print(ans)


if __name__ == '__main__':
    main()
N = int(input)
P = [int(x) for x in input().split()]
pmin = max(P)
cnt = 0
for p in P:
  if p <= pmin:
    cnt += 1
    pmin = p
print(cnt)

### FIXED CODE ###

N = int(input())
P = [int(x) for x in input().split()]
pmin = max(P)
cnt = 0
for p in P:
  if p <= pmin:
    cnt += 1
    pmin = p
print(cnt)
n,k=map(int,input().split())
arr=list(map(int,input().split()))
def isvalid(mid,k):
    ans=k
    for i in arr:
        if i>mid:
            ans-=i//mid
    return ans>=0


l=0
r=10**9
while(l<r):
    mid=(l+r)//2
    if isvalid(mid,k):
        r=mid
    else:
        l=mid+1
print(l)













### FIXED CODE ###

n,k=map(int,input().split())
arr=list(map(int,input().split()))
def isvalid(mid,k):
    if mid==0:
        return False
    ans=k
    for i in arr:
        if i>mid:
            ans-=i//mid
    return ans>=0


l=0
r=10**9
while(l<r):
    mid=(l+r)//2
    if isvalid(mid,k):
        r=mid
    else:
        l=mid+1
print(l)
print((int(input())-int(input()))%int(input())

### FIXED CODE ###

print((int(input())-int(input()))%int(input()))
X = int(input())
s = str(X)
n = int(s[0])
x = int(s[1:])
print(0 if x > 5*n else 1)


### FIXED CODE ###

X = int(input())
n = X//100
X -= 100*n
print(0 if X > 5*n else 1)
N, R = map(int, input().split())
if N >= 10:
    print(R)
else:
    print(R+100*(10-K))

### FIXED CODE ###

N,R=map(int,input().split())
print(R)if N>=10 else print(R+100*(10-N))
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
cnt=0


for i in range(n):
  if(b[i]<=a[i]):
    cnt+=b[i]
    a[i]-=b[i]
  if(b[i]>a[i] and a[i]+a[i+1]>b[i]):
    cnt+=a[i]
    cnt+=b[i]-a[i]
    a[i+1]-=b[i]-a[i]
    a[i]=0
  else:
    cnt+=a[i]+a[i+1]
    a[i]=0
    a[i+1]=0
    
  print(a)
    
print(cnt)

### FIXED CODE ###

n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
cnt=0


for i in range(n):
  if(b[i]<=a[i]):
    cnt+=b[i]
    a[i]-=b[i]
  elif(b[i]>a[i] and a[i]+a[i+1]>b[i]):
    cnt+=a[i]
    cnt+=b[i]-a[i]
    a[i+1]-=b[i]-a[i]
    a[i]=0
  else:
    cnt+=a[i]+a[i+1]
    a[i]=0
    a[i+1]=0
    
  #print(a)
    
print(cnt)
temp = input()
return print(temp.count('R'))


### FIXED CODE ###

weather = input()
rainyDay = weather.count('R')
if rainyDay < 2:
    print(rainyDay)
else:
    if weather[1] == 'R':
        print(rainyDay)
    else:
        print(1)
a, b, c = input().split()

if a[len(a)-1] == b[0] and b[(b)-1] == c[0]:
    print('YES')
else:
    print('NO')

### FIXED CODE ###

a, b, c = input().split()

if a[len(a)-1] == b[0] and b[len(b)-1] == c[0]:
    print('YES')
else:
    print('NO')
import itertools

def sign(num):
    if num < 0:
        return -1
    elif num > 0:
        return 1
    else:
        return 0

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

# a_sum = [a_i[0]]
# for i, a in enumerate(a_i[1:]):
#     i += 1
#     a_sum.append(a_sum[-1]+a)
#
# signs = [1, -1]
# changes = 0
#
# for i, sum_i in enumerate(a_sum):
#     if sum_i != 0:
#         signs[i%2] = sign(sum_i)
#         signs[i%2+1] = -sign(sum_i)
#         break

signs = [sign(a_i[0]), -sign(a_i[0])]

a_sum = 0
changes = 0
for i, a in enumerate(a_i):
    a_sum += a
    if sign(a_sum) != signs[i%2]:
        changes += abs(a_sum) + 1
        a_sum = signs[i%2]
print(changes)

#
# for i, sum_i in enumerate(a_sum):
#     if i == 0:
#         signs = [sign(sum_i), -sign(sum_i)]
#     elif sign(sum_i) != signs[i%2]:
#         a_sum[i:] = [num + (abs(sum_i) + 1) * signs[i%2] for num in a_sum[i:]]
#         changes += abs(sum_i) + 1
#     # print(a_sum)
# print(changes)


### FIXED CODE ###

S = input()
out = ""
for s in S.split():
    out += s[0].upper()
print(out)
import math

data = input().split()
val = [int(n) for n in data]

res = val[0] * val[1] / math.gcd(val[0], val[1])

print(res)


### FIXED CODE ###

import fractions
 
data = input().split()
val = [int(n) for n in data]
 
res = val[0] * val[1] / fractions.gcd(val[0], val[1])
 
print(int(res))
#coding:UTF-8

# ２つのボタンのコイン獲得枚数を取得
buttons = list(map(int, input().split()))

# 最大獲得コイン取得用領域
max_coin = 0

for _ in range(2):
  if buttons[0] > buttons[1]:
    max_coin += buttons[0]
    button[0] -= 1
  else:
    max_coin += button[1]
    buttons[1] -= 1
    
# 結果出力
print(max_coin)

### FIXED CODE ###

# coding:UTF-8

# ２つのボタンのコイン獲得枚数を取得
buttons = list(map(int, input().split()))

# 最大獲得コイン取得用領域
max_coin = 0

for _ in range(2):
    if buttons[0] > buttons[1]:
        max_coin += buttons[0]
        buttons[0] -= 1
    else:
        max_coin += buttons[1]
        buttons[1] -= 1

# 結果出力
print(max_coin)
N,D = map(int, input().split())
d = 2D+1
print(N//d+1)

### FIXED CODE ###

N,D = map(int, input().split())
count = 0
i = 0
while i < N:
  i += 2*D+1
  count +=1
print(count)
def main():
    import sys
    def input(): return sys.stdin.readline().rstrip()
    n , k = map(int, input().split())
    a = list(map(int, input().split()))
    l = 0
    r = max(a)
    while l < r:
        m = (l+r)//2
        cnt = 0
        for x in a:
            cnt += (x-1)//m
        if cnt > k: l = m
        else: r = m-1
    print(m)

    


if __name__ == '__main__':
    main()

### FIXED CODE ###

def main():
    import sys
    def input(): return sys.stdin.readline().rstrip()
    n , k = map(int, input().split())
    a = list(map(int, input().split()))
    l = 1
    r = max(a)
    while l < r:
        m = (l+r)//2
        cnt = 0
        for x in a:
            cnt += (x-1)//m
        if cnt > k: l = m+1
        else: r = m
    print(r)
    


if __name__ == '__main__':
    main()
while True:
    st=list(input())
    if len(st)==0:break
    print("".join(reversed(st)))

### FIXED CODE ###

st=list(input())
print("".join(reversed(st)))
N = int(input())
T, A = map(int, input().split())
H = list(map(int, input().split()))

ans = 1
ans_t = abs(A-(T-H[1]*0.006))
for i in range(N):
    if abs(A-(T-H[i]*0.006)) < ans_t:
        ans = i+1
        ans_t = abs(A-(T-H[i]*0.006))
print(ans)


### FIXED CODE ###

x,y = list(map(int,input().split()))
print(x+(y//2))
S = int(input())
h = int(S / (60*60))
m = int(S / 60) % 60
s = S % 60

print('{ }:{ }:{ }' .format(h,m,s))

### FIXED CODE ###

S = int(input())
h = int(S / (60 * 60))
m = int(S / 60) % 60
s = S % 60

print('{}:{}:{}'.format(h,m,s))
A = input()
print('A') if A.issuper() else print('a')
  

### FIXED CODE ###

A = input()
print('A') if A.isupper() else print('a')
n, k = map(int, input().split())
hlist = list(map(int, input().split()))

import math
# dp[i] stores the minimum cost to reach step i (starting from step 1) i: 1->N
dp = [math.inf]*(n+1)
dp[1] = 0

for i in range(2, n+1):
    for ss in range(1, k+1): # ss: step size
        if i-ss >= 1:
            dp[i] = min(dp[i], dp[i-ss] + abs(hlist[i-1] - hlist[i - ss - 1]))

print(dp[n])

### FIXED CODE ###

n, k = map(int, input().split())
heights = list(map(int, input().split()))
heights = [0] + heights
dp = [10**10]*(n+1)
dp[1] = 0

for i in range(1, n+1):
    for step in range(1, k+1):
        if (i + step) <= n:
            dp[i+step] = min(dp[i+step], abs(heights[i+step] - heights[i]) + dp[i])
print(dp[n])
N = input()
p = []
for i in range(N):
    p.append(int(input()))

print(sum(p)-max(p)//2)



### FIXED CODE ###

N = int(input())
p = []
for i in range(N):
    p.append(int(input()))

print(sum(p)-max(p)//2)
year,original = input().split()
if int(year) >= 13:
  print(int(original)
elif 6<=int(year)<=12:
  print(int(original)/2)
else:
  print(0)

### FIXED CODE ###

A,B = map(int,input().split())
print(B if A >= 13 else 0 if A  <= 5 else B//2)
li = list(map(int,input().split()))
li[0] = A
li[1] = B
li[2] = T
ans = int(T / A) * B
print(ans)

### FIXED CODE ###

li = list(map(int,input().split()))
A = li[0]
B = li[1]
T = li[2]
ans = int(T / A) * B
print(ans)
def insertionSort(_list, _length):
    for i in range(1, _length):
        ll = [str(_l) for _l in _list]
        print(' '.join(ll))
        val = _list[i]
        j = i - 1
        while j >= 0 and _list[j] > val:
            _list[j+1] = _list[j]
            j -= 1
        _list[j+1] = val
    ll = [str(_l) for _l in _list]
    print(' '.join(ll))

length = input()
eles = [ele for ele in input().rstrip().split(' ')]

insertionSort(eles, length)

### FIXED CODE ###

length = int(input())
eles = [int(i) for i in input().split()]

for i in range(length):
    val = eles[i]
    j = i - 1
    while j >= 0 and eles[j] > val:
        eles[j+1] = eles[j]
        j -= 1
    eles[j+1] = val
    print(*eles)
A,B,C,D=map(int,input().split())
for i in range(0,99):
    C=C-B
    if C<=0:
        print('Yes')
        break
    else:
        A=A-D
         if A<=0:
            print('No')
            break


### FIXED CODE ###

A,B,C,D=map(int,input().split())
for i in range(0,100):
    C=C-B
    if C<=0:
        print('Yes')
        break
    else:
        A=A-D
        if A<=0:
            print('No')
            break
n, m = map(int, input())
sa = set()
sb = set()
for i in range(m):
    a, b = map(int, input().split())
    if a == 1:
        sb.add(b)
    if b == n:
        sa.add(a)
print('IMPOSSIBLE', if len(sa & sb) == 0 else 'POSSIBLE')

### FIXED CODE ###

n, m = map(int, input().split())
sa = set()
sb = set()
for i in range(m):
    a, b = map(int, input().split())
    if a == 1:
        sb.add(b)
    if b == n:
        sa.add(a)
print('IMPOSSIBLE' if len(sa & sb) == 0 else 'POSSIBLE')
package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

func max(x, y int) int {
	if x > y {
		return x
	}
	return y
}

func main() {
	N := readInt()
	M := readInt()
	A := make([]int, N)
	for i := 0; i < N; i++ {
		A[i] = readInt()
	}

	sort.Sort(sort.Reverse(sort.IntSlice(A)))
	U := A[0] * 2
	L := A[N-1] * 2

	// cgs[i] は パワーがi以上のゲストの数
	cgs := make([]int, U+1)
	for _, a := range A {
		cgs[a]++
	}
	for i := U; i > 0; i-- {
		cgs[i-1] += cgs[i]
	}

	isOk := func(n int) bool {
		m := 0
		for _, a := range A {
			m += cgs[max(n-a, 0)]
		}
		return m >= M
	}

	ok := L
	ng := U + 1
	for ng-ok != 1 {
		m := ok + (ng-ok)/2
		if isOk(m) {
			ok = m
		} else {
			ng = m
		}
	}

	// cps[i] は A[0]～A[i] の累積和
	cps := make([]int, N)
	cps[0] = A[0]
	for i := 1; i < N; i++ {
		cps[i] = A[i] + cps[i-1]
	}

	result := 0
	for _, a := range A {
		guests := cgs[max(ok-a, 0)]
		if guests != 0 {
			result += a*guests + cps[guests-1]
			M -= guests
		}
	}
	result += ok * M
	fmt.Println(result)
}

const (
	ioBufferSize = 1 * 1024 * 1024 // 1 MB
)

var stdinScanner = func() *bufio.Scanner {
	result := bufio.NewScanner(os.Stdin)
	result.Buffer(make([]byte, ioBufferSize), ioBufferSize)
	result.Split(bufio.ScanWords)
	return result
}()

func readString() string {
	stdinScanner.Scan()
	return stdinScanner.Text()
}

func readInt() int {
	result, err := strconv.Atoi(readString())
	if err != nil {
		panic(err)
	}
	return result
}


### FIXED CODE ###

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

A.sort(reverse=True)
U = A[0] * 2

# cgs[i] は パワーがi以上のゲストの数
cgs = [0] * (U + 1)
for a in A:
    cgs[a] += 1
for i in range(U, 0, -1):
    cgs[i - 1] += cgs[i]


def is_ok(n):
    m = 0
    for a in A:
        m += cgs[max(n - a, 0)]
    return m >= M


ok = A[-1] * 2
ng = U + 1
while ng - ok > 1:
    m = (ok + ng) // 2
    if is_ok(m):
        ok = m
    else:
        ng = m

# cps[i] は A[0]～A[i] の累積和
cps = A[:]
for i in range(1, N):
    cps[i] += cps[i - 1]

result = 0
for a in A:
    t = cgs[max(ok - a, 0)]
    if t != 0:
        result += a * t + cps[t - 1]
        M -= t
result += ok * M
print(result)
n,m = map(int,input().split())

if n == 1 and m == 1:
    print(1)
elif n >= 2 and m >= 2:
    print((n-2)*(m-2))
elif n == 1:
    print(m-2)
else m == 1:
    print(n-2)


### FIXED CODE ###

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

if n == 1 and m == 1:
    print(1)
elif n >= 2 and m >= 2:
    print((n-2)*(m-2))
elif n == 1:
    print(m-2)
else :
    print(n-2)
# coding: utf-8
# Your code here!

n,y=map(int,input().split())
for i in range(n+1):
    for j in range(n-i+1):
        if 10000*i+5000*j+1000*(n-i-j)==y:
            print(i,j,(n-i-j))
            exit()
print("-1 -1 -1")

### FIXED CODE ###

s=list(input())
s[3]='8'
for i in range(len(s)):
    print(s[i],end='')
n = int(input())
x = input()

def popcount(ni):
    n_b = str(bin(ni))
    return n_b.count("1")

def ans(n,x):
    x_i = int(x, 2)
    x_orig = popcount(x_i)
    x_i_t = x_i % (x_orig+1)
    if x_orig > 0:
        x_i_b = x_i % (x_orig-1)
    solve = 0
    for i in range(n):
        x_count = x_orig
        if x[i] == "0":
            x_count += 1
            solve = x_i_t + pow(2,n-1-i,x_count)
        else:
            x_count -= 1
            solve = x_i_b - pow(2,n-1-i,x_count)
        count = 0

        if x_count != 0 :
            solve = solve % x_count
            count+=1

        while solve > 0:
            solve = solve % popcount(solve)
            count+=1

        print(count)

    
ans(n,x)


### FIXED CODE ###


n = int(input())
x = input()

def popcount(ni):
    n_b = str(bin(ni))
    return n_b.count("1")

def ans(n,x):
    x_i = int(x, 2)
    x_orig = popcount(x_i)
    x_i_t = x_i % (x_orig+1)
    if x_orig != 1:
        x_i_b = x_i % (x_orig-1)
    else:
        x_i_b = x_i
    solve = 0
    for i in range(n):
        x_count = x_orig
        if x[i] == "0":
            x_count += 1
            solve = x_i_t + pow(2,n-1-i,x_count)
        else:
            x_count -= 1
            if x_count != 0:
                solve = x_i_b - pow(2,n-1-i,x_count)
            else:
                print(0)
                continue
        count = 0

        if x_count != 0 :
            solve = solve % x_count
            count+=1

        while solve > 0:
            solve = solve % popcount(solve)
            count+=1

        print(count)

    
ans(n,x)
def checker():
    s = input()
    if s[0] != "A":
        return 0
    if "C" in s[2:-1]:
        s[2:-1].pop(s[2:-1].index("C"))
        if "C" in s[2:-1]:
            return 0
        else:
            return 1
    return 1

l = ["WA", "AC"]

print(l[checker()])

### FIXED CODE ###

def checker():
    s = input()
    if s[0] != "A":
        return 0
    if s[2:-1].count("C") != 1:
        return 0
    num = s.index("C")
    s = s[1:num] + s[num+1:]
    if s != s.lower():
        return 0
    return 1

l = ["WA", "AC"]

print(l[checker()])
o = input()
e = input()
ret = ""
for i in range(len(o) + len(e)):
    if i % 2 == 0:
        ret += o[i/2]
    else:
        ret += e[i/2]
print(ret)


### FIXED CODE ###

o = input()
e = input()
ret = ""
for i in range(len(o) + len(e)):
    if i % 2 == 0:
        ret += o[i//2]
    else:
        ret += e[i//2]
print(ret)
import numpy as np

n = int(raw_input())
v = map(int,raw_input().split())

seta= [0 for i in range(1,10**5 +1)]
setb= [0 for i in range(1,10**5 +1)]


for i in range(n/2):
    seta[v[2*i]]+=1
    setb[v[2*i+1]]+=1
seta = np.array(seta)
setb = np.array(setb)

argseta=seta.argsort()[::-1]
argsetb=setb.argsort()[::-1]

if argseta[0]!=argsetb[0]:
    print n - max(seta) - max(setb)
else:
    if setb[argseta[0]]-seta[argseta[1]]<setb[argsetb[0]]-setb[argsetb[1]]:
        print n - max(setb) - seta[argseta[1]]
    else:
        print n - max(seta) - setb[argsetb[1]]


### FIXED CODE ###

import numpy as np

n = int(raw_input())
v = map(int,raw_input().split())

seta= [0 for i in range(1,10**5 +1)]
setb= [0 for i in range(1,10**5 +1)]


for i in range(n/2):
    seta[v[2*i]-1]+=1
    setb[v[2*i+1]-1]+=1
seta = np.array(seta)
setb = np.array(setb)

argseta=seta.argsort()[::-1]
argsetb=setb.argsort()[::-1]


if argseta[0]!=argsetb[0]:
    print n - max(seta) - max(setb)
else:
    if setb[argseta[0]]-seta[argseta[1]]<setb[argsetb[0]]-setb[argsetb[1]]:
        print n - max(setb) - seta[argseta[1]]
    else:
        print n - max(seta) - setb[argsetb[1]]
import math

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

def lcm(x, y):
    return (x * y) // math.gcd(x, y)

gcd_cd = lcm(c,d)

a_c_numbers = a//c
if a % c == 0:
    a_c_numbers -= 1
a_d_numbers = a//d
if a % d == 0:
    a_d_numbers -= 1

a_numbers = a_c_numbers + a_d_numbers

b_c_numbers = b//c
b_d_numbers = b//d
b_numbers = b_c_numbers + b_d_numbers

gcd_cd_numbers = b//gcd_cd - a//gcd_cd

# print(a_c_numbers,a_d_numbers)
# print(b_c_numbers,b_d_numbers)
# print(gcd_cd_numbers)
# print(b_numbers - a_numbers - gcd_cd_numbers)
ans = b - a + 1 - (b_numbers - a_numbers - gcd_cd_numbers)

if ans > 0:
    print(ans)
else:
    print(0)

### FIXED CODE ###

import fractions

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

def lcm(x, y):
    return (x * y) // fractions.gcd(x, y)

gcd_cd = lcm(c,d)

a_c_numbers = a//c
if a % c == 0:
    a_c_numbers -= 1
a_d_numbers = a//d
if a % d == 0:
    a_d_numbers -= 1

a_numbers = a_c_numbers + a_d_numbers

b_c_numbers = b//c
b_d_numbers = b//d
b_numbers = b_c_numbers + b_d_numbers

if a % gcd_cd == 0:
    gcd_cd_numbers = b//gcd_cd - a//gcd_cd + 1
else:
    gcd_cd_numbers = b//gcd_cd - a//gcd_cd

# print(a_c_numbers,a_d_numbers)
# print(b_c_numbers,b_d_numbers)
# print(gcd_cd_numbers)
# print(b_numbers - a_numbers - gcd_cd_numbers)
ans = b - a + 1 - (b_numbers - a_numbers - gcd_cd_numbers)

if ans > 0:
    print(ans)
else:
    print(0)
l = list(map(int, input().split()))
K = int(input())

l.sort()
for i in range(K):
    l[0] = 2*l[0]
    
print(l[0] + l[1] + l[2])

### FIXED CODE ###

a, b = map(int, input().split())
if a <= b:
    print(a)
else:
    print(a-1)
import fractions
n = int(input())
mod = 10**9 + 7
a = list(map(int, input().split()))
ans = a[0]
for i in range(1, n):
    ans = ans * a[i] // fractions.gcd(ans, a[i])
b = []
for i in range(n):
    an = ans / a[i]
    b.append(an)

m = sum(b) % mod
print(int(m))

### FIXED CODE ###

import fractions
n = int(input())
a = list(map(int, input().split()))
ans = a[0]
for i in range(1, n):
    ans = ans * a[i] // fractions.gcd(ans, a[i])
b = []
b_sum = 0
mod = 10**9+7
for i in range(n):
    b_sum += (ans // a[i])

print(b_sum % mod)
import numpy as np
N,M,C = map(int,input().split())
B = [int(k) for k in input().split()]
A = [[int(j) for j in input().split()] for i in range(1,N+1)] 
b = np.array(B)
a = np.array(A)
cnt = 0
for i in range(1,N+1):
    if (np.dot(a[i],b) + C >0):
        cnt += 1
    else:
        cnt = cnt
        
print(cnt)




### FIXED CODE ###

import numpy as np
N,M,C = map(int,input().split())
B = [int(k) for k in input().split()]
A = [[int(j) for j in input().split()] for i in range(N)] 
b = np.array(B)
cnt = 0
for i in range(N):
    if (np.dot(np.array(A[i]),b) + C >0):
        cnt += 1
    else:
        cnt = cnt
        
print(cnt)