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

a, b, c, d = map(int, input().split())
MOD = 998244353

dp = [[0] * (d - b + 1) for _ in range(c - a + 1)]

dp[0][0] = 1

for x in range(1, d - b + 1):
    dp[0][x] = dp[0][x - 1] * a % MOD
for y in range(1, c - a + 1):
    dp[y][0] = dp[y - 1][0] * b % MOD

for x in range(1, c - a + 1):
    for y in range(1, d - b + 1):
        dp[x][y] = (dp[x - 1][y] * (b + y) + dp[x][y - 1] * (a + x) - dp[x - 1][y - 1] * (a + x - 1) * (b + y - 1)) % MOD

print(dp[-1][-1])

### FIXED CODE ###

a, b, c, d = map(int, input().split())
MOD = 998244353

dp = [[0] * (d - b + 1) for _ in range(c - a + 1)]

dp[0][0] = 1

for x in range(1, d - b + 1):
    dp[0][x] = dp[0][x - 1] * a % MOD
for y in range(1, c - a + 1):
    dp[y][0] = dp[y - 1][0] * b % MOD

for x in range(1, c - a + 1):
    for y in range(1, d - b + 1):
        dp[x][y] = (dp[x - 1][y] * (b + y) + dp[x][y - 1] * (a + x) - dp[x - 1][y - 1] * (a + x - 1) * (b + y - 1)) % MOD

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

def main():
    N, K = map(int, input().split())
    A = [0] + list(map(int, input().split()))

    for i in range(N):
        A[i + 1] += A[i]

    B = [A[j] - A[i] for i in range(N) for j in range(i + 1, N + 1)]

    ans = 0
    t = 40
    while t:
        count = 0
        tmp = pow(2, t -1)
        for b in B:
            if ((b & (tmp + ans)) == (tmp + ans)):
                count += 1
            if count >= K:
                ans += tmp
                break
        t -= 1

    print (ans)

if __name__ == '__main__':
    main()

### FIXED CODE ###

N, K = map(int, input().split())
A = [0] + list(map(int, input().split()))

for i in range(N):
    A[i + 1] += A[i]

B = [A[j] - A[i] for i in range(N) for j in range(i + 1, N + 1)]

ans = 0
t = 40
while t:
    count = 0
    tmp = pow(2, t -1)
    for b in B:
        if ((b & (tmp + ans)) == (tmp + ans)):
            count += 1
    if count >= K:
        ans += tmp
    t -= 1

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

import sys
N, K = map(int, input().split())
A = list(map(int, input().split()))
c = 0

while(True):
    p = 0
    T = [0]*N
    for i in range(N):
        for j in range(max(i-A[i], 0), min(i+A[i]+1, N)):
            T[j] += 1
    c += 1
    if c == K:
        for i in range(N):
            print(T[i], end=" ")
        sys.exit()
    for i in range(N):
        if T[i] < N:
            p = 1
            break
    if p == 0:
        for i in range(N):
            print(N, end= " ")
        sys.exit()
    A = T[:]

### FIXED CODE ###

import sys
N, K = map(int, input().split())
A = list(map(int, input().split()))
c = 0

while(True):
    p = 0
    T = [0]*N
    for i in range(N):
        T[max(i-A[i], 0)] += 1
        if i+A[i]+1 > N - 1:
            pass
        else:
            T[i+A[i]+1] -= 1
    for i in range(1,N):
        T[i] += T[i-1]
    c += 1
    if c == K:
        for i in range(N):
            print(T[i], end=" ")
        sys.exit()
    for i in range(N):
        if T[i] < N:
            p = 1
            break
    if p == 0:
        for i in range(N):
            print(N, end= " ")
        sys.exit()
    A = T[:]
### BUGGY CODE ###

N = int(input())
a = list(map(int,input().split()))
SUM = sum(a)
MIN = 10**10
for i in range(N-1):
    suma = sum(a[:i+1])
    kari = abs(SUM-2*suma)
    MIN = min(MIN,kari)
print(MIN)

### FIXED CODE ###

def solve(N,a):
    suma = 0
    SUM = sum(a)
    MIN = 10**15
    for i in a[:(N-1)]:
        suma+=i
        MIN = min(MIN,abs(2*suma-SUM))
    return abs(MIN)

if __name__ == "__main__":
    N = int(input())
    a = list(map(int,input().split()))
    print(solve(N,a))
### BUGGY CODE ###

n=int(input())
a=[]

for i in range(n):
    a.append(int(input()))

Max=max(a)
for i in range(n):
    b=a[:]
    if(b[i]==Max):
        del b[i]
        print(max(b))
    else:
        print(Max)

### FIXED CODE ###

n = int(input())
a = []

for i in range(n):
    a.append(int(input()))

Max = max(a)
if(a.count(Max)>1):
    for _ in range(n):
        print(Max)
else:
    for i in range(n):
        if(a[i]==Max):
            a[i]=0
            print(max(a))
        else:
            print(Max)
### BUGGY CODE ###

import sys

if sys.platform in ['ios','win32','darwin']:
	sys.stdin=open('Untitled.txt')
input = sys.stdin.readline
def INT(): return int(input())
def MAP(): return [int(s) for s in input().split()]

H, W = MAP()
M = [input().rstrip() for _ in range(H)]
# for m in M:
# 	print(m)

O = []
for i in range(H):
	for j in range(W):
		if M[i][j] == '#': O.append([i, j])

# print(O)

MOVE = [[-1,0],[1,0],[0,-1],[0,1]]

memo = [[-1]*W for _ in range(H)]
ans = 0
for i in range(H):
	for j in range(W):
		if M[i][j] == '#': continue
		tmp = [0,0,0,0]
		skip = []
		if memo[i-1][j] != -1:
			tmp[0] = memo[i-1][j][0]
			tmp[1] = memo[i-1][j][1]
			skip.extend([0, 1])
		if memo[i][j-1] != -1:
			tmp[2] = memo[i][j-1][2]
			tmp[3] = memo[i][j-1][3]
			skip.extend([2, 3])
		for idx,move in enumerate(MOVE):
			if idx in skip:
				# print('skipping')
				continue
			cnt = 0
			nh, nw = i, j
			dh, dw = move
			while True:
				nh += dh
				nw += dw
				# print(i, j, nh, nw)
				if nh>H-1 or nh<0 or nw>W-1 or nw<0: break
				if M[nh][nw] == '#': break
				cnt += 1
			tmp[idx] = cnt
		memo[i][j] = tmp
		ans = max(ans, sum(tmp)+1)
	
print(ans)
# print(memo)

### FIXED CODE ###

import sys

if sys.platform in ['ios','win32','darwin']:
	sys.stdin=open('Untitled.txt')
input = sys.stdin.readline
def INT(): return int(input())
def MAP(): return [int(s) for s in input().split()]

def main():
	H, W = MAP()
	M = [input().rstrip() for _ in range(H)]

	DU = tuple([-1,1])
	LR = tuple([-1,1])
	memo = [[-1]*W for _ in range(H)]
	ans = 0
	for i in range(H):
		for j in range(W):
			if M[i][j] == '#': continue
			tmp = [0,0]
			
			skip = -1
			if memo[i-1][j] != -1:
				tmp[0] = memo[i-1][j][0]
				skip = 1
			if memo[i][j-1] != -1:
				tmp[1] = memo[i][j-1][1]
				skip = 5 if skip == 1 else 2
			
			if skip == 1 or skip == -1:
				lr = 0
				for move in LR:
					nw = j
					dw = move
					while True:
						nw += dw
						# print(i, j, nh, nw)
						if nw>W-1 or nw<0 or M[i][nw] == '#': break
						lr += 1
					tmp[1] = lr

			if skip == 2 or skip == -1:
				du = 0
				for move in DU:
					nh = i
					dh = move
					while True:
						nh += dh
						# print(i, j, nh, nw)
						if nh>H-1 or nh<0 or M[nh][j] == '#': break
						du += 1
					tmp[0] = du
			
			memo[i][j] = tuple(tmp)
			ans = max(ans, sum(tmp)+1)
		
	# for mem in memo:
	# 	print(mem)
	# for m in M:
	# 	print(m)
	print(ans)

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

s = input()
q_number = int(input())

queries = [input().split() for dummy in range(q_number)]
for i in range(q_number):
  if queries[i][0] == "1": 
    s = s[::-1]
  else:
    if queries[i][1] == "1":
      s = queries[i][2] + s
    else:
      s = s + queries[i][2]      
print(s)



### FIXED CODE ###

s = input()
q_number = int(input())
reverse_flag = 1
head = ""
tail = ""
for i in range(q_number):
  temp = input().split()
  if temp[0] == "1": 
    reverse_flag = reverse_flag * -1
  else:
    headstails = int(temp[1])*reverse_flag 
    if headstails == 1 or headstails == -2:
      head = temp[2] + head
    else:
      tail = tail + temp[2]
      
if reverse_flag == 1:
  print(head+s+tail)
else:
  print(tail[::-1]+s[::-1]+head[::-1])
### BUGGY CODE ###

x, y = map(int, input().split())
a = max(x, y)
b = min(x, y)
if a%b==0:
    gcd = b
else:
    for i in range(1, a%b+1):
        if b%i==0 and (a%b)%i==0:
            gcd = i

print(gcd)

### FIXED CODE ###

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

while a%b != 0:
    temp = a
    a = b
    b = temp%b

print(b)
### BUGGY CODE ###

import sys
from itertools import permutations, combinations
def input():
    return sys.stdin.readline()[:-1]
from collections import defaultdict, Counter
from math import factorial
import fractions
div = 10**9 + 7

sys.setrecursionlimit(10**7)
N = int(input())
A = list(map(int, input().split()))


val = 1
def lcm(a, b):
    ret = fractions.gcd(a, b)
    ret = a*b//ret
    return ret

val = A[0]
for a in A[1:]:
    val = lcm(val, a)

sumB = 0
for a in A:
    sumB += val//a
    if sumB >= div:
        sumB %= div

print(sumB)


### FIXED CODE ###

import sys
def input():
    return sys.stdin.readline()[:-1]
from fractions import gcd
div = 10**9 + 7

def main():
    N = int(input())
    A = list(map(int, input().split()))
    sA = list(set(A))

    val = 1
    def lcm(a, b):
        ret = gcd(a, b)
        ret = a*b//ret
        return ret

    val = sA[0]
    for a in sA[1:]:
        val = lcm(val, a)

    B = [val//a for a in A]
    sumB = sum(B)
    sumB %= div

    print(sumB)

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

def change_lr(s, l, r):
    s2 = list(s)
    for i in range(r-l+1):
        if s[l+i] == 'L':
            s2[r-i] = 'R'
        else:
            s2[r-i] = 'L'
    return s2
  
n, k = map(int, input().split())
s = list(input())
ans = 0

for j in range(k):
    c1 = ''
    c2 = ''
    start = 0
    end = 0
    for i in range(1,n):
        if s[i] != s[i-1]:
            c1 = s[i] 
            c2 = s[i-1] 
            start = i
            for k in range(i+2,n):
                if s[k-1] == c1 and s[k] == c2:
                    end = k-1
                    break
            else:
                continue
            break
    if end == 0:
        end = start
        end = n-1

    s = change_lr(s, start, end)

for i in range(1, len(s)):
    if s[i-1] == s[i]:
        ans += 1
        
print(ans)

### FIXED CODE ###

n, k = map(int, input().split())
s = list(input())
h = 0

for i in range(1, len(s)):
    if s[i-1] == s[i]:
        h += 1
        
print(min(n-1, h+k*2))
### BUGGY CODE ###

# ほぼ解説AC
# n,m<2000
# len(s),len(t)<100000
n, m = map(int, input().split())
mod = 10 ** 9 + 7
S = list(map(int, input().split()))
T = list(map(int, input().split()))


dp = [[0] * (m + 2) for _ in range(n + 2)]
sum_dp = [[0] * (m + 2) for _ in range(n + 2)]
# 空集合も要素とみなすのでdp[0][0]は1
dp[0][0] = 0
# i,jを見る時にi,jまでの累積和がほすぃ。
# i,jを見てi+1,j+1を決める。
for i in range(n + 1):
    for j in range(m + 1):
        # 二次元累積和の計算
        sum_dp[i][j] += dp[i][j]
        if i - 1 >= 0:
            sum_dp[i][j] += sum_dp[i - 1][j]
        if j - 1 >= 0:
            sum_dp[i][j] += sum_dp[i][j - 1]
        if i - 1 >= 0 and j - 1 >= 0:
            sum_dp[i][j] -= sum_dp[i - 1][j - 1]
        sum_dp[i][j] %= mod
        if i < n and j < m:
            # 先にsum_dp[i][j]は計算されていないとだめ。↑
            # i-1字目、j-1字目まででできるものに、新たに一致したものを加えたもの(sum_dp)と空集合(+1)
            if S[i] == T[j]:
                dp[i + 1][j + 1] = sum_dp[i][j] + 1
                dp[i + 1][j + 1] %= mod
print((sum_dp[n][m] + 1) % mod)



### FIXED CODE ###

# ほぼ解説AC
# n,m<2000
# len(s),len(t)<100000
import sys

input = sys.stdin.buffer.readline

n, m = map(int, input().split())
mod = 10 ** 9 + 7
S = list(map(int, input().split()))
T = list(map(int, input().split()))


dp = [[0] * (m + 2) for _ in range(n + 2)]
sum_dp = [[0] * (m + 2) for _ in range(n + 2)]
# 空集合も要素とみなすのでdp[0][0]は1
dp[0][0] = 0
# i,jを見る時にi,jまでの累積和がほすぃ。
# i,jを見てi+1,j+1を決める。
for i in range(n + 1):
    for j in range(m + 1):
        # 二次元累積和の計算
        sum_dp[i][j] += dp[i][j]
        if i - 1 >= 0:
            sum_dp[i][j] += sum_dp[i - 1][j]
        if j - 1 >= 0:
            sum_dp[i][j] += sum_dp[i][j - 1]
        if i - 1 >= 0 and j - 1 >= 0:
            sum_dp[i][j] -= sum_dp[i - 1][j - 1]
        sum_dp[i][j] %= mod
        if i < n and j < m:
            # 先にsum_dp[i][j]は計算されていないとだめ。↑
            # i-1字目、j-1字目まででできるものに、新たに一致したものを加えたもの(sum_dp)と空集合(+1)
            if S[i] == T[j]:
                dp[i + 1][j + 1] = sum_dp[i][j] + 1
                dp[i + 1][j + 1] %= mod
print((sum_dp[n][m] + 1) % mod)
### BUGGY CODE ###

a=open(0)
N,_,*a = map(int, a.read().split())

l,m = [0,0]
for i in range(1, N+1):
    if i in a:
        l,m = m,0
    elif i<3:
        l,m = m,m+1
    else:
        l,m = m,(l+m)%1000000007
print(m)



### FIXED CODE ###

import sys

sys.setrecursionlimit(2147483647)
INF = float("inf")
MOD = 1000000007

a=open(0)
N,_,*a = map(int, a.read().split())

dp = [-1 for _ in range(100010)]
dp[0] = 0
for i in a: dp[i] = 0
def rec(i):
    if dp[i] > -1:
        return dp[i]
    if i<3:
        dp[i] = rec(i-1) + 1
        return dp[i]
    dp[i] = (rec(i-1)+rec(i-2))%MOD
    return dp[i]
    
print(rec(N))
### BUGGY CODE ###

def main():
    K = int(input())

    if K % 2 == 0:
        return -1
    elif K % 5 == 0:
        return -1

    an_min = 7

    while True:
        if an_min % K == 0:
            return len(str(an_min))

        an_min = an_min * 10 + 7

if __name__ == "__main__":
    answer = main()
    print(answer)

### FIXED CODE ###

def main():
    K = int(input())

    if K % 2 == 0:
        return -1
    elif K % 5 == 0:
        return -1

    an = 7
    counter = 1

    while True:
        modan = an % K

        if modan == 0:
            return counter

        an = modan * 10 + 7
        counter = counter + 1

if __name__ == "__main__":
    answer = main()
    print(answer)
### BUGGY CODE ###

n=int(input())
a=list(map(int,input().split()))
order=[]
for i in range(1,n+1):
  order.append(a.index(i)+1)
print(*order)


### FIXED CODE ###

N=int(input())
A=list(map(int,input().split()))
B = list(A)
count = 1
for i in A:
  B[i-1] = count
  count+=1
  
  
print(*B)
### BUGGY CODE ###

n=int(input())

def lucas(x):
  if x==0:
    return 2
  elif x==1:
    return 1
  else:
    return lucas(x-1)+lucas(x-2)
print(lucas(n))

### FIXED CODE ###

n=int(input())

if n==1:
  print(1)
else:
  ans=[2,1]
  for i in range(2,n+1):
    ans.append(ans[i-1]+ans[i-2])
  print(ans[n])
### BUGGY CODE ###

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

for l in range(N//2, 0, -1):
    tried = set()
    for i in range(N-2*l+1):
        part = S[i:l+i]
        if part in tried:
            continue
        tried.add(part)
        for j in range(l+i, N-l+1):
            cmp = S[j:j+l]
            if cmp == part:
                print(l)
                import sys
                sys.exit()
    del tried
else:
    print(0)

### FIXED CODE ###

N = int(input())
WholeS = input()

ans = 0
for l in range(N):
    # Z-algorithm
    A = [-1]*(N-l)
    c = 0
    S = WholeS[l:]
    for i, s in enumerate(S):
        if i == 0:
            continue
        if c+A[c] > i+A[i-c]:
            A[i] = A[i-c]
        else:
            j = max(0, A[c]-i+c)
            while i+j < N-l and S[j] == S[i+j]:
                j += 1
            A[i] = j
            c = i
        ans = max(ans, A[i] if(i>A[i]) else i)

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

N, K = map(int, input().split())
h = [int(i) for i in input().split()]
INF = 10**9

c = [INF] * N
c[0] = 0

for i in range(N):
  tmp = []
  for j in range(1, min(K, i)+1):
    c[i] = min(c[i-j] + abs(h[i] - h[i-j]), c[i])
print(c[-1])

### FIXED CODE ###

N, K = map(int, input().split())
h = [int(i) for i in input().split()]
INF = 10**9

c = [INF] * N
c[0] = 0

for i in range(N):
  tmp = []
  for j in range(1, min(K, i)+1):
    c[i] = min(c[i-j] + abs(h[i] - h[i-j]), c[i])
print(c[-1])
### BUGGY CODE ###

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

m = []

for i in range(M):
    x, y, z = map(int, input().split())
    m.append([x, y, z])

m.sort(key = lambda x: x[2], reverse=True)

for j in m:
    if a[m[0][0]-1] + b[m[0][1]-1] - m[0][2] >= 0 and a[m[0][0]-1] + b[m[0][1]-1] - m[0][2] < min(a) + min(b):
        print(a[m[0][0]-1] + b[m[0][1]-1] - m[0][2])
        exit()

print(min(a) + min(b))

### FIXED CODE ###

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

m = []
am = min(a)
bm = min(b)

for i in range(M):
    x, y, z = map(int, input().split())

    m.append(a[x-1] + b[y-1] - z )



if am + bm > min(m):
    print(min(m))
else:
    print(am + bm)
### BUGGY CODE ###

import itertools 
import copy
import math
from functools import reduce

num = int(input())
a_list = [i for i in range(1,num+1)]
comb_list = list(itertools.product(a_list, repeat=3))

def gcd_list(numbers):
    return reduce(math.gcd, numbers)

print(sum([gcd_list(list(x)) for x in comb_list]))

### FIXED CODE ###

import itertools 
import math
from functools import reduce


num = int(input())

def gcd_list(numbers):
        return reduce(math.gcd, numbers)

if num<=2:
    a_list = [i for i in range(1,num+1)]
    comb_list = list(itertools.product(a_list, repeat=3))
    print(sum([gcd_list(x) for x in comb_list]))

else:
    a_list = [i for i in range(1,num+1)]
    comb_list = list(itertools.combinations_with_replacement(a_list, 3))
    test = sum([gcd_list(x) for x in comb_list])*3

    comb_list_dup = [[i, i, i] for i in a_list]
    duplica = sum([gcd_list(x) for x in comb_list_dup])*2

    comb_list_unique = list(itertools.combinations(a_list, 3))
    unique = sum([gcd_list(x) for x in comb_list_unique])*3
    print(test-duplica+unique)
### BUGGY CODE ###

import collections

def Z(): return int(input())
def ZZ(): return [int(_) for _ in input().split()]

def main():
    N = Z()
    A = collections.Counter(ZZ())
    e = collections.defaultdict(list)
    l = [False] * (10 ** 6 + 5)

    def yakusu(num):
        ret = []
        lim = int(num ** 0.5) + 5
        for i in range(1, lim):
            if i * i > num: break
            if num%i != 0: continue
            ret.append(i)
            if i != num//i: ret.append(num//i)
        return ret

    if 1 in A.keys():
        if A[1] == 1: print(1)
        elif A[1] >= 2: print(0)
        return

    ans = 0
    for n in A.keys():
        l[n] = True
        if A[n] == 1: e[n] = yakusu(n)

    for n in A.keys():
        if A[n] >= 2: continue
        if len(e[n]) == 2:
            ans += 1
            continue
        for p in e[n]:
            if p in {1, n}: continue
            if l[p]: break
        else: ans += 1
    print(ans)

    return

if __name__ == '__main__':
    main()


### FIXED CODE ###

import collections

def Z(): return int(input())
def ZZ(): return [int(_) for _ in input().split()]

def main():
    N = Z()
    A = sorted(ZZ())
    cA = collections.Counter(A)
    MAX_A = 10 ** 6
    is_ok = [True] * (MAX_A + 1)

    if 1 in cA.keys():
        if cA[1] == 1: print(1)
        elif cA[1] >= 2: print(0)
        return

    for a in cA.keys():
        if not is_ok[a]: continue
        if cA[a] >= 2: is_ok[a] = False
        for i in range(2, MAX_A + 1):
            if a * i > MAX_A: break
            is_ok[a * i] = False

    ans = 0
    for a in cA.keys():
        if is_ok[a]: ans += 1

    print(ans)

    return

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

import time

MOD = 10 ** 9 + 7

K = int(input())
S = input()
l = len(S)

fac = [1] * (K + l + 1)
invfac = [1] * (K + l + 1)
for i in range(1, K + l + 1):
	fac[i] = (fac[i - 1] * i) % MOD
	invfac[i] = pow(fac[i], MOD - 2, MOD)

p25 = [1] * (K + 1)
p26 = [1] * (K + 1)
for i in range(1, K + 1):
	p25[i] = (p25[i - 1] * 25) % MOD
	p26[i] = (p26[i - 1] * 26) % MOD

ans = 0
for en in range(l - 1, l + K):
	t = (fac[en] * invfac[en - l + 1]) % MOD
	t = (t * invfac[l - 1]) % MOD
	t = (t * p25[en - l + 1]) % MOD
	t = (t * p26[l + K - 1 - en]) % MOD
	ans = (ans + t) % MOD
print(ans)

### FIXED CODE ###

MOD = 10 ** 9 + 7

K = int(input())
S = input()
l = len(S)

fac = [1] * (K + l + 1)
for i in range(1, K + l + 1):
	fac[i] = (fac[i - 1] * i) % MOD

p25 = [1] * (K + 1)
p26 = [1] * (K + 1)
for i in range(1, K + 1):
	p25[i] = (p25[i - 1] * 25) % MOD
	p26[i] = (p26[i - 1] * 26) % MOD

ans = 0
for en in range(l - 1, l + K):
	t = (fac[en] * pow(fac[en - l + 1], MOD - 2, MOD) * pow(fac[l - 1], MOD - 2, MOD)) % MOD
	t = (t * p25[en - l + 1]) % MOD
	t = (t * p26[l + K - 1 - en]) % MOD
	ans = (ans + t) % MOD
print(ans)
### BUGGY CODE ###

from fractions import gcd
A,B,C,D=map(int,input().split())
# L=[0]*(B-A)
L=set()
t1=B
while True:
	if t1%C==0:
		while t1>=A:
			L.add(t1)
			t1-=C
		break
	else:
		t1-=1

t2=B
while True:
	if t2%D==0:
		while t2>=A:
			L.add(t2)
			t2-=D
		break
	else:
		t2-=1
print(B-A+1-len(L))

### FIXED CODE ###

from fractions import gcd
def lcm(x, y):
  return (x * y) // gcd(x, y)
def num(n1,n2,n3):
  return n1-(n1//n2)-(n1//n3)+(n1//lcm(n2,n3))
A,B,C,D=map(int,input().split())
print(num(B,C,D)-num(A-1,C,D))
### BUGGY CODE ###

N, K, Q = map(int, input().split())
A = [int(input()) for _ in range(Q)]
point = [K] * N
for i in A:
    point[i-1] = point[i-1] + 1
    point=list(map(lambda x:x-1, point))
    
for i in range(N):
    if point[i] <= 0:
        print('No')
    else:
        print('Yes')

### FIXED CODE ###

N, K, Q = map(int, input().split())
A = [int(input()) for _ in range(Q)]
point = [K-Q] * N
for i in A:
    point[i-1] = point[i-1] + 1
 
for i in range(N):
    if point[i] <= 0:
        print('No')
    else:
        print('Yes')
### BUGGY CODE ###

N, M = input().split()
N = int(N)
M = int(M)
li = []
for i in range(M):
  liin = input().split()
  li.append([int(liin[0]), str(liin[1])])

ans = [0, 0]
done = []
miss = {}

for i in range(M):
  if li[i][1] == "AC":
    if li[i][0] in done:
      pass
    else:
      ans[0] += 1
      done.append(li[i][0])
      if li[i][0] in miss.keys():
        ans[1] += miss[li[i][0]]
        del miss[li[i][0]]
  else: # "WA"
    if li[i][0] in done:
      pass
    else:
      if li[i][0] in miss.keys():
        miss[li[i][0]] += 1
      else:
        miss[li[i][0]] = 1
print(ans[0],ans[1])

### FIXED CODE ###

N, M = map(int, input().split())
li = []
for i in range(M):
  liin = input().split()
  li.append([int(liin[0]), liin[1]])

ans1, ans2 = 0, 0
done = set([0])
miss = {}

for i in range(M):
  if li[i][0] in done:
    continue
  if li[i][1] == "AC":
    ans1 += 1
    done.add(li[i][0])
    if li[i][0] in miss:
      ans2 += miss[li[i][0]]
      del miss[li[i][0]]
  else: # "WA"
    if li[i][0] in miss:
      miss[li[i][0]] += 1
    else:
      miss[li[i][0]] = 1

print(ans1,ans2)
### BUGGY CODE ###

n = int(input())
paper = set()
for _ in range(n):
    a = int(input())
    paper = set((a,))^paper

print(len(paper))

### FIXED CODE ###

n = int(input())
paper = {}
for _ in range(n):
    a = int(input())
    if a in paper:
        paper[a] += 1
    else:
        paper[a] = 0

count = 0
for val in paper.values():
    if val%2 != 1:
        count += 1
print(count)
### BUGGY CODE ###

from collections import Counter
import math
N,M = map(int,input().split())
nf = math.factorial(N)

# 因数分解
def prime_factorize(n):
    a = []
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a
a = prime_factorize(M)
c = Counter(a)
l = []
for i in c.values():
    # 階乗
    # 重複組み合わせ
    l.append(math.factorial(N+i-1)//(math.factorial(N-1)*math.factorial(i)))
ans = 1
for i in l:
    ans *= i
print(ans%(10**9+7))

### FIXED CODE ###

from collections import Counter
import math
mod = 10**9+7
N,M = map(int,input().split())
factors = []
f = 2
while M%f==0:
    M//=2
    factors.append(f)
f = 3
while f*f<=M:
    if M%f==0:
        M//=f
        factors.append(f)
    else:
        f+=2
if M!=1:
    factors.append(M)
count = Counter(factors)

def choose(n,k):
    return math.factorial(n)//(math.factorial(n-k)*math.factorial(k))
ans = 1
for v in count.values():
    ans *= choose(N+v-1,N-1)
    ans %= mod
print(ans)