Harryxun/stf_run huggingface dataset:
S = input()
a = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']

for i in S:
    if i in a:
        a.remove(i)
#print(a)
print(a[0])

### FIXED CODE ###

S = input()
a = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']

for i in S:
    if i in a:
        a.remove(i)
#print(a)
print(a[0] if len(a)!=0 else 'None')
n=int(input(""))
k=1
li=list(map(input("").split(" ")))
if "0" in li:
    print("0")
else:
    for i in li:
        k*=int(i)
    if k>1000000000000000000:
        print("-1")
    else:
        print(k)


### FIXED CODE ###

n=int(input(""))
k=1
li=list(map(int,input("").split(" ")))
if 0 in li:
    print("0")
else:
    for i in li:
        k*=int(i)
        if k>1000000000000000000:
            print("-1")
            break
    else:
        print(k)
N, T= map(int, input().split(' '))
X = [int(i) for i in input().split()]
num = T
for i in range(1, n):
  num += min(T, X[i] - X[i - 1])
print(num)


### FIXED CODE ###

N, T= map(int, input().split(' '))
X = [int(i) for i in input().split()]
num = T
for i in range(1, N):
    num += min(T, X[i] - X[i - 1])
print(num)
import sys
from collections import deque

dic={'o':lambda s:1-(s[1]^s[0]), 'x':lambda s:s[1]^s[0]}
def mknseq(ox,ld):
    for x in ld:
        x.append(dic[ox]((x[-2],x[-1])))
def main():
    N=int(sys.stdin.readline().strip())
    s=list(sys.stdin.readline().strip())
    ans=[deque([x,y]) for x in range(2) for y in range(2)]
    for x in range(N):
        mknseq(s[x],ans)
    # print(ans)
    for x in ans:
        if x[:2]==x[-2:]:
            return print(''.join([['W','S'][i] for i in x])[1:-1])
    print(-1)

if __name__=='__main__':
    main()


### FIXED CODE ###

import sys
from collections import deque

dic={'o':lambda s:1-(s[1]^s[0]), 'x':lambda s:s[1]^s[0]}
def mknseq(ox,ld):
    for x in ld:
        x.append(dic[ox]([x[-2],x[-1]]))
def main():
    N=int(sys.stdin.readline().strip())
    s=list(sys.stdin.readline().strip())
    ans=[deque([x,y]) for x in range(2) for y in range(2)]
    for x in range(N):
        mknseq(s[x],ans)
    ans=[list(x) for x in ans]
    # print(ans)
    for x in ans:
        if x[:2]==x[-2:]:
            return print(''.join([['W','S'][i] for i in x[1:-1]]))
    print(-1)

if __name__=='__main__':
    main()
n=int(input())
#for i in range(n):
A=list(set(list(map(int, input().split(" ")))))

A.sort()
t1=A[0]
t2=A[1]

while t1!=t2:
    #print(t1)
    if t1>t2:
        t1=t1-t2
    else:
        t2=t2-t1

print(t1)

### FIXED CODE ###

n=int(input())
tmp=list(map(int, input().split(" ")))
def gcd(a, b):
	while b:
		a, b = b, a % b
	return a

def lcm(a, b):
	return a * b // gcd (a, b)

a=max(tmp)
for i in tmp:
    a=gcd(a,i)

print(a)
a = int(input())
b = int(input())
c = int(input())

if a > b:
 print("a > b")
 
elif a < b:
 print("a < b")

elif a == b:
 print("a == b")

### FIXED CODE ###

a, b = map(int, input().split())
if a < b:
    print('a < b')
elif a > b:
    print('a > b')
else:
    print('a == b')
n, k = map(int,input().split())
x = list(map(int,input().split()))
x.append(0)
x.sort()
ans = 10 ** 18
for i in range(n-k+1):
    cnt = 0
    cnt += abs(x[i])
    for j in range(i,k+i):
        cnt += abs(x[j+1] - x[j])    
    if cnt < ans:
        ans = cnt

print(min(ans))

### FIXED CODE ###

n, k = map(int,input().split())
x = list(map(int,input().split()))
result = []
for i in range(n-k+1):
    l, r = x[i], x[i+k-1]
    if l * r >= 0:
        result.append(max(abs(l), abs(r)))
    else:
        result.append(abs(2*l-r))
        result.append(abs(2*r-l))
print(min(result))
from sys import exit

S = str(input())#["F","F","T","F"]
Gx, Gy = [int(n) for n in input().split()]#[4,4]
Xds = []
Yds = []
X = True
L = len(S)
for s in S.split("T"):
    if X:
        Xds.append(len(s))
    else:
        Yds.append(len(s))
    X = not X
# print(Xds)
# print(Yds)
memox = [[False for _ in range(2*L)] for __ in range(len(Xds))]
memoy = [[False for _ in range(2*L)] for __ in range(len(Yds))]

def move(current, i, Ds,memo):
    if i == len(Ds): return
    pm = current+Ds[i]
    memo[i][pm] = True
    move(pm, i+1,Ds,memo)
    nm = current-Ds[i]
    memo[i][nm] = True
    move(nm, i+1,Ds,memo)
memox[0][Xds[0]] = True
move(Xds[0],1, Xds,memox)
move(0,0, Yds,memoy)
# print(Xds)
# print(Yds)
# print(memox)
# print(memoy)
if not (memox != [] or memoy != []):
    print("Yes" if memox[len(Xds)-1][Gx] and memoy[len(Yds)-1][Gy] else "No")
elif (memox == [] and memoy != []):
    print("Yes" if 0==Gx and memoy[len(Yds)-1][Gy] else "No")
else:
    print("Yes" if memox[len(Xds)-1][Gx] and 0==Gy else "No")


### FIXED CODE ###

from sys import exit
from collections import defaultdict
import itertools
# dic = defaultdict(int)
# N = int(input())
# a = [int(input()) for _ in range(N)]
S = str(input())
x,y = [int(n) for n in input().split()]

dx = []
dy = []
X = True
tmp = 0


S = [len(s) for s in S.split("T")]
dx = S[0::2]
dy = S[1::2]
x -= dx[0]
del dx[0]

def check(d, p):
    memo = set([0])
    for t in d:
        memo = {a+b for a,b in itertools.product(memo, [-t, t])}
    return (p in memo)


print("Yes" if check(dx,x) and check(dy,y) else "No")
N=int(input())
S=input()
r=S.count("R")
g=S.count("G")
b=S.count("B")
ans=r*g*b
for i in range(N):
  x=S[i]
  for j in range(i+1,N):
    if(S[j]!=x):
      y=S[j]
      if(2*j-i>=0 and 2*j-i<N):
        if(S[2*j-i]!=x and S[2*j-i]!=y):
          ans-=1
print(ans)

### FIXED CODE ###

N=input()
for i in range(len(N)):
  if(N[i]=="7"):
    print("Yes")
    exit()
print("No")
#-*- coding: utf-8 -*-

#関数は気持ち上に書いておきたい
def check_num():
    for i in range(N):
        if A[i] % 2 != 0:
            return False
        else:
            A[i] = A[i] / 2
    return True

#C++のmain関数みたいな
if __name__ == '__main__':
    N = int(input())
    A = list(map(int, input().split()))
    ans = 0 #counterと同じ

　#check_num == Trueの間実行する
    while True:
        if check_num() == False:
            break
        ans += 1

    print(str(ans))



### FIXED CODE ###

#-*- coding: utf-8 -*-

#関数は気持ち上に書いておきたい
def check_num():
    for i in range(N):
        if A[i] % 2 != 0:
            return False
        else:
            A[i] = A[i] / 2
    return True

if __name__ == '__main__':
    N = int(input())

    A = list(map(int, input().split()))
    ans = 0 #counterと同じ

    #check_num == Trueの間実行する
    while True:
        if check_num() == False:
            break
        ans += 1

    print(str(ans))
import sys
from collections import defaultdict

N, M = map(int, input().split())
d = defaultdict(int)

for i in range(M):
    s, c = map(int, input().split())
    if (d[s] != 0) & (d[s] != c):  # 数指定に矛盾があったら終わり
        print(-1)
        sys.exit()
    elif ((s == 1) & (c == 0)) & (N > 1):　　# 桁数に矛盾があったら終わり
        print(-1)
        sys.exit()
    elif d[s] == 0:　　# 初めて出会ったものはメモしていく
        d[s] = c
    else:
        continue

# 1桁ならそのまま出す
if N==1:
    print(d[1])
    sys.exit()

# 2桁以上の場合は最も大きい桁を1、それ未満の桁を0で初期化
ans = ["1"] + ["0"] * (N - 1)

# 値更新
for s, c in d.items():
    ans[int(s) - 1] = str(c)

print("".join(ans))

### FIXED CODE ###

import sys
from collections import defaultdict

N, M = map(int, input().split())
d = defaultdict(int)

for i in range(M):
    s, c = map(int, input().split())
    if (d[s] != 0) & (d[s] != c):
        print(-1)
        sys.exit()
    elif ((s == 1) & (c == 0)) & (N > 1):
        print(-1)
        sys.exit()
    elif d[s] == 0:
        d[s] = c
    else:
        continue

if N==1:
    print(d[1])
    sys.exit()

ans = ["1"] + ["0"] * (N - 1)

for s, c in d.items():
    ans[int(s) - 1] = str(c)

print("".join(ans))
a=input()
m=[a[i] for i in range(len(a))]
b=input()
n=[b[i] for i in range(len(b))]
m.sort()
n.sort()
i=0
while 1>0:
  if m[i]<n[i]:
    print("Yes")
    break
  if i==len(a) or i==len(b):
    print("No")
    break
  i+=1
 

### FIXED CODE ###

a=input()
m=[a[i] for i in range(len(a))]
b=input()
n=[b[i] for i in range(len(b))]
m.sort()
n.sort(reverse=1)
i=0
while 1>0:
  if i==len(b):
    print("No")
    break
  if i==len(a):
    print("Yes")
    break
  if m[i]<n[i]:
    print("Yes")
    break
  if m[i]>n[i]:
    print("No")
    break
  i+=1
sd=list(input())
t=list(input())
#strsd="?tc????"
#strt="coder"

#strsd="??p??d??"
#strt="abc"

#sd=list(strsd)
#t=list(strt)

lens=len(sd)
lent=len(t)
for i in range(lens-lent,-1,-1):
    yn=""
    for ii in range(lent):
        if sd[i+ii]==t[ii] or sd[i+ii]=="?":
            continue
        else:
            yn="NG"
            break
    if yn!="NG":
        yn="itchi"
        break
    
if yn=="NG":
    print("UNRESTORABLE")
else:
    s=""
    if i!=0:
        for ii in range(i):
            if sd[ii]=="?":
                si="a"
            else:
                si=sd[ii]
            s=s+si
    for ti in t:
        s=s+ti
    if i!=lens-lent:
        for ii in range(i+lent,lens,1):
            if sd[ii]=="?":
                si="a"
            else:
                si=sd[ii]
            s=s+si
    print(s)
    


### FIXED CODE ###

sd=list(input())
t=list(input())

yn=""
for i in range(len(sd)-len(t)+1):
    ii=len(sd)-len(t)-i
    yn=""
    for j in range(len(t)):
        if sd[ii+j]!=t[j] and sd[ii+j]!="?":
            yn="NG"
            break
    if yn=="NG":
        continue
    else:
        yn="yes"
        break
    
if yn=="NG" or yn=="": 
    print("UNRESTORABLE")
else:
    for j in range(len(t)):
        sd[ii+j]=t[j]
    for j in range(len(sd)):
        if sd[j]=="?":
           sd[j]="a"
    strt="".join(sd)
    print(strt)
a, b, c, d = map(int, input().split())

print(max(min(b, d) - max(a, c), 0)

### FIXED CODE ###

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

print(max(0, min(b, d) - max(a, c)))
n=int(input())
a=list(map(int,input().split()))
a.sort()
print(a[n/2+1]-a[n/2])


### FIXED CODE ###

n=int(input())
a=list(map(int,input().split()))
a.sort()
print(a[n//2]-a[n//2-1])
K, N = map(int,input().split())　
A = list(map(int, input().split()))
li = []
for i in range(N - 1):
  li.append(A[i + 1] - A[i]) 

li.append(abs(A[0] + (K - A[-1]))) 
print(sum(li) - max(li))

### FIXED CODE ###

K, N = map(int,input().split())
A = list(map(int, input().split()))
li = []
for i in range(N - 1):
  li.append(A[i + 1] - A[i]) 
li.append(abs(A[0] + (K - A[-1]))) 
print(sum(li) - max(li))
N = input()
a = []
for i in range(N):
    a.append(input())
    print('case{}:{}'.format(N,a))

### FIXED CODE ###

l = []
y = 1
while True:
    x = int(input())
    if x == 0:
        break
    l.append(x)
    print('Case {}: {}'.format(y,x))
    y += 1
a = list(map(int,input().split()))
b = a[1]
c = b[0]

print("A{}C".format(c))

### FIXED CODE ###

a = list(map(str,input().split()))

print("A{}C".format(a[1][0]))
N, X, M = map(int,input().split())
if X==0:
  print(0)
  exit()
a = [X]
sa = set([X])
for i in range(1,N):
  X = (X**2)%M
  if X in sa:
    break
  else:
    a.append(X)
    sa.add(X)

if i==N-1:
  print(sum(a))
  exit()
start = a.index(X)
ans = sum(a[:start])
base = sum(a[start:])
rep = i-start
sets = (N-start)//rep
more = (N-start)%rep
ans += base*sets + sum(a[start:start+more])
print(ans)

### FIXED CODE ###

N, X, M = map(int,input().split())
if N==1:
  print(X)
  exit()
a = [X]
sa = set([X])
for i in range(1,N):
  X = (X**2)%M
  if X in sa:
    break
  else:
    a.append(X)
    sa.add(X)

if i==N-1:
  print(sum(a))
  exit()
start = a.index(X)
ans = sum(a[:start])
base = sum(a[start:])
rep = i-start
sets = (N-start)//rep
more = (N-start)%rep
ans += base*sets + sum(a[start:start+more])
print(ans)
import numpy as np

dic={'.':0,'#':1}
N=int(input())
S=np.array([dic[i] for i in input()])
arr=np.flip(np.triu(np.ones((N,N))),axis=1)==0

if S.sum()==0:
    print(0)
elif S.sum()==N:
    print(0)    
else:
    print(min((arr!=S).sum(axis=1)))

### FIXED CODE ###

N = int(input())
S = input()
 
left_black=0
right_white=S.count(".")
ans=left_black+right_white

for i in S:
    if i==".":
        right_white-=1
        ans=min(ans,left_black+right_white)
    else:
        left_black+=1
        ans=min(ans,left_black+right_white)
print(ans)
def main():
    N = int(input())
    T = tuple(int(input()) for _ in range(N))

    lcm_ = T[0]
    for i in T:
        lcm_ = lcm(i, lcm_)

    print(int(lcm_))

def gcd(a, b):
    if a < b:
        a, b = b, a
    r = a % b
    if r == 0:
        return b
    else:
        a = b
        b = r
        return gcd(a, b)

def lcm(a, b):
    c = gcd(a, b)
    return a * b / c

main()


### FIXED CODE ###

def main():
    N = int(input())
    T = tuple(int(input()) for _ in range(N))

    lcm_ = T[0]
    for i in T:
        lcm_ = lcm(i, lcm_)

    print(lcm_)

def gcd(a, b):
    if a < b:
        a, b = b, a
    r = a % b
    if r == 0:
        return b
    else:
        a = b
        b = r
        return gcd(a, b)

def lcm(a, b):
    c = gcd(a, b)
    return a * b // c

main()
# -*- coding: utf-8 -*-
from bisect import bisect_right

import math
from functools import reduce

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

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

def primes(n):
    is_prime = [True] * (n + 1)
    is_prime[0] = False
    is_prime[1] = False
    for i in range(2, int(n**0.5) + 1):
        if not is_prime[i]:
            continue
        for j in range(i * 2, n + 1, i):
            is_prime[j] = False
    return [i for i in range(n + 1) if is_prime[i]]

P = primes(10**6)

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

check = [0]*(10**6)
flag = 0
for a in A:
    temp = 0
    for i in range(bisect_right(P, int(a**0.5+10))):
        if a%P[i] == 0:
            if check[P[i]] == 1:
                flag = 1
            else:
                check[P[i]] = 1
            temp = 1
    if temp:
        check[a] = 1
    if flag:
        break

if gcd_list(A) > 1:
    print("not coprime")
elif flag:
    print("setwise coprime")
else:
    print("pairwise coprime")
    
    
    
    
    


### FIXED CODE ###

# -*- coding: utf-8 -*-
import math
from functools import reduce

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


n = 10**6
minfac = list(range(n+1))
for i in range(2, int(n**0.5) + 1):
    if minfac[i] < i:
        continue
    for j in range(i, n + 1, i):
        if minfac[j] > i:
            minfac[j] = i

"""nの素因数の種類を求める"""
def osa_k(n):
    temp = set()
    while n > 1:
        temp.add(minfac[n])
        n = n//minfac[n]
    return temp


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

check = [0]*(10**6)
flag = 0
for a in A:
    for i in osa_k(a):
        if check[i]:
            flag = 1
        else:
            check[i] = 1
    if flag:
        break
        
if gcd_list(A) > 1:
    print("not coprime")
elif flag:
    print("setwise coprime")
else:
    print("pairwise coprime")
from collections import deque

K = int(input()) 
a = deque([1, 2, 3, 4, 5, 6, 7, 8, 9])

for i in range(K):
    j = a.popleft()
    print(j)
    if j%10 != 0:
        a.append((10*j) + ((j%10) -1))
        
    a.append((10*j)+j%10)
    
    if j%10 != 9:
        a.append((10*j) +((j%10)+1))

### FIXED CODE ###

i = list(map(int, input().split())) 
X = i[0]
Y = i[1]
Z = i[2]

print(Z, X, Y)
from sys import stdin
def main():
    N, K = [int(x) for x in stdin.readline().rstrip().split()]
    A = [int(x)-1 for x in stdin.readline().rstrip().split()]
    X = 0
    C = 0
    Log = []
    while C <= K:
        X = A[X-1]
        C += 1
        if (X in Log) == True:
            break
        Log += [X]
        
        #print(Log)
        #print('C',C)
        #print('X',X)
        
    K = (K - C+1)%(C - Log.index(X))
    #print(K)
    print(Log[Log.index(X)+K])
    
main()

### FIXED CODE ###

from sys import stdin
import numpy as np
 
def main():
    N, K = [int(x) for x in stdin.readline().rstrip().split()]
    A = [int(x) for x in stdin.readline().rstrip().split()]
    X = 1
    L = [1]
    if A[0] == 1:
        print(1)
        exit()
    if N >= K :
        for i in range(K):
            X = A[X-1]
        print(X)
        exit()
    else:
        for i in range(N):
            X = A[X-1]
            L += [X]
        #print('L',L)#OK
        C = np.zeros(N)
        for i in range(N):
            if C[L[i]-1] == 0:
                C[L[i]-1] += 1
                #print('C,i',C,i)
            else:
                break
        #print('C',C)
        #print('i+1',i+1)#Roop 回数　When Roop Goal
        #print('L[i+1]',L[i+1])#Roop initial Number
        S = L.index(L[i+1])
        #print('S',S)#When Roop Start ,Roop times
        #print(K - i-1)#Remain K
        #print('i + 1 -S',i + 1 - S)#Roop Cycle
        K = (K - i-1)%(i+1 - S)
        #print(K)
        print(L[S+K])
        
main()
X=int(input())
l=list()
if X<=50000:
  for i in range(X,2*X):
    l.append(i)
else:
  for i in range(X,100000):
    l.append(i)
    
for n in range(2,317):
  for x in l:
    if x%n==0:
      l.remove(x)
print(l[0])

### FIXED CODE ###

import math
X=int(input())
if X==2:
  print('2')
  exit()
else:
  l=list()
  x=math.sqrt(X)
  key=math.floor(x)
  for i in range(X,(key+1)**2):
    l.append(i)
    
for n in range(2,key+1):
  for x in l:
    if x%n==0:
      l.remove(x)
print(l[0])
from collections import deque
 
H, W = map(int, input().split())
S = [input() for _ in range(H)]
INF = 10**15

answer = 0
for i in range(H):
  for j in range(W):
    if S[i][j] == "#":
      continue
    else:
      dist = [[INF for _ in range(W)] for _ in range(H)] # 始点からの距離
      dist[i][j] = 0 # 始点を定義
      stack = deque([(i, j)]) # 始点を"先入れ先出し"の配列に入れる
      
      while stack:
      # BFS
      # * 計算量 O(4HW:辺の数)
      si, sj = stack.popleft() 
        # "先入れ先出し"
        # * ⇔後入れ後出し。DFS
        #   si, sj = stack.pop()
        
        for ni, nj in [(si + 1, sj), (si - 1, sj), (si, sj + 1), (si, sj - 1)]:
        # 経路に重みがない場合、BFSでは先に入れた方がそのマスに対する最短経路になる...☆
        # * DFSを使用すると更新の必要があり、
        #    計算量が(4HW*HW:辺の数×グリッドの数)->TLE
        # ** 木だと経路は1つしかないため、BFSもDFSも計算量は同じ
        #     グラフでは基本的にBFS推奨[要出典]
        # * 経路に重みがある場合も更新の必要があり、計算量はO(4HW*HW)
        # ** Dijkstra法を使えば、計算量はO(4HW+HWlogHW)
        #     O(E + VlogV): E -> Edge, V -> Vertex
          if 0 <= ni <= H - 1 and 0 <= nj <= W - 1 and S[ni][nj] != "#":
            if dist[ni][nj] > dist[si][sj] + 1:
              dist[ni][nj] = dist[si][sj] + 1
              stack.append((ni, nj))
          # ☆より、最短経路をとるマスからの隣接が次の最短経路の候補となる
          # すでに最短経路を取っているものは排除
              
              
      max_dist = 0
      for ii in range(H):
        for jj in range(W):
          if dist[ii][jj] != INF:
            max_dist = max(max_dist, dist[ii][jj])
      answer = max(max_dist, answer)
      # * 添え字被りに注意
      
print(answer)

### FIXED CODE ###

from collections import deque
 
H, W = map(int, input().split())
S = [input() for _ in range(H)]
 
INF = 10**15
d = [(1, 0), (-1, 0), (0, 1), (0, -1)]
 
answer = 0
for i in range(H):
  for j in range(W):
    if S[i][j] == "#":
      continue
    else:
      dist = [[INF for _ in range(W)] for _ in range(H)]
      dist[i][j] = 0
      stack = deque([(i, j)])
      
      while stack:
        s = stack.popleft()
        si, sj = s
        for di, dj in d:
          if 0 <= si + di <= H - 1 and 0 <= sj + dj <= W - 1 and S[si + di][sj + dj] != "#":
            if dist[si + di][sj + dj] > dist[si][sj] + 1:
              dist[si + di][sj + dj] = dist[si][sj] + 1
              stack.append((si + di, sj + dj))
      #print(dist)
 
      max_dist = 0
      for ii in range(H):
        #print(dist[ii])
        for jj in range(W):
          if dist[ii][jj] != INF:
            max_dist = max(max_dist, dist[ii][jj])
      #print("")
      answer = max(max_dist, answer)
      
print(answer)
K = int(input)

if K%2 ==0:
  kx = k/2
  Ans = kx *kx
else:
  k1 = (K+1)/2
  k2 = k1-1
  Ans = K1*k2
print(Ans)
  

### FIXED CODE ###

asdf = int(input())
if asdf % 2 == 0:
  k1 = asdf / 2
  Ans = k1 * k1
else:
  k2 = (asdf + 1) / 2
  k3 = k2 - 1
  Ans = k2 * k3
print(int(Ans))
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 7)

from bisect import bisect_left, bisect_right

INF = 10**18 + 100
N,A,B = map(int,input().split())
S = [-INF] + [int(x) for x in sys.stdin.read().split()]

MOD = 10**9 + 7

dpX = [0] * (N+1) # 最後にYを選んだとして、直前に選んだXがどこにあるか
dpY = [0] * (N+1) # 最後にXを選んだとして、直前に選んだYがどこにあるか
dpX[0] = 1
dpY[0] = 1
dpX_cum = [0] * (N+1)
dpY_cum = [0] * (N+1)
dpX_cum[0] = 1
dpY_cum[0] = 1
dpX_left = 0
dpY_left = 0
for n,x in enumerate(S[2:],2):
    iA = bisect_right(S,x-A)
    iB = bisect_right(S,x-B)
    # ....XY
    xy = dpY_cum[iB-1] - dpY_cum[dpY_left-1]
    # ....YX
    yx = dpX_cum[iA-1] - dpX_cum[dpX_left-1]
    # ....XX が不可能なら捨てる。明示的に捨てるのではなく、生きている番号だけ持つ
    if iA != n:
        dpY_left = n-1
    if iB != n:
        dpX_left = n-1
    dpX[n-1] = xy
    dpX_cum[n-1] = (dpX_cum[n-2] + xy) % MOD
    dpX_cum[n] = dpX_cum[n-1]
    dpY[n-1] = yx
    dpY_cum[n-1] = (dpY_cum[n-2] + yx) % MOD
    dpY_cum[n] = dpY_cum[n-1]

answer = dpX_cum[n] - dpX_cum[dpX_left-1]
answer += dpY_cum[n] - dpY_cum[dpY_left-1]
answer %= MOD
print(answer)

### FIXED CODE ###

import sys
input = sys.stdin.readline

from bisect import bisect_left, bisect_right

INF = 10**18 + 100
N,A,B = map(int,input().split())
S = [-INF] + [int(x) for x in sys.stdin.read().split()]

MOD = 10**9 + 7

dpX = [0] * (N+1) # 最後にYを選んだとして、直前に選んだXがどこにあるか
dpY = [0] * (N+1) # 最後にXを選んだとして、直前に選んだYがどこにあるか
dpX[0] = 1
dpY[0] = 1
dpX_cum = [1] * (N+1) + [0] # -1
dpY_cum = [1] * (N+1) + [0] # -1
dpX_left = 0
dpY_left = 0
for n,x in enumerate(S[2:],2):
    iA = bisect_right(S,x-A)
    iB = bisect_right(S,x-B)
    # ....XY
    xy = dpY_cum[iB-1] - dpY_cum[dpY_left-1] if iB >= dpY_left else 0
    # ....YX
    yx = dpX_cum[iA-1] - dpX_cum[dpX_left-1] if iA >= dpX_left else 0
    # ....XX が不可能なら捨てる。明示的に捨てるのではなく、生きている番号だけ持つ
    if iA != n:
        dpY_left = n-1
    if iB != n:
        dpX_left = n-1
    dpX[n-1] = xy
    dpX_cum[n-1] = (dpX_cum[n-2] + xy) % MOD
    dpX_cum[n] = dpX_cum[n-1]
    dpY[n-1] = yx
    dpY_cum[n-1] = (dpY_cum[n-2] + yx) % MOD
    dpY_cum[n] = dpY_cum[n-1]

answer = dpX_cum[N-1] - dpX_cum[dpX_left-1]
answer += dpY_cum[N-1] - dpY_cum[dpY_left-1]
answer %= MOD
print(answer)
60 88 34
92 41 43
65 73 48
10
60
43
88
11
48
73
65
41
92
34

### FIXED CODE ###

if __name__ == '__main__':
    a = [list(map(int, input().split())) for e in range(3)]
    n = int(input())
    b = [int(input()) for _ in range(n)]
    c = 'No'
    for i in range(len(a)):
        for j in range(len(a)):
            if a[i][j] in b:
                a[i][j] = 0

    for i in range(len(a)):
         if {a[i][j] for j in range(len(a))} == {0}:
             c = 'Yes'
         if {a[j][i] for j in range(len(a))} == {0}:
            c = 'Yes'
    if {a[j][j] for j in range(len(a))} == {0}:
        c = 'Yes'
    if {a[-(j+1)][j] for j in range(len(a))} == {0}:
        c = 'Yes'
    print(c)
#! /Library/Frameworks/Python.framework/Versions/3.7/bin/python3
D = 1000000007
n, m = map(int, input().split())
a = [0] * (10**5)
for i in range(m):
    a[int(input())] += 1

# 初期値
s = [0] * (n + 1)
s[0] = 1
if (a[1] == 1):
    s[1] = 0
else:
    s[1] = 1


def calc(n):
    if(a[n] == 1):
        return 0
    else:
        return (s[n - 1] + s[n - 2]) % D


def solver(n):
    for i in range(2, n + 1):
        s[i] = calc(i)


solver(n)
print(s[n])


### FIXED CODE ###

#! /Library/Frameworks/Python.framework/Versions/3.7/bin/python3
D = 1000000007
n, m = map(int, input().split())
a = [0] * (10**5 + 1)
for i in range(m):
    a[int(input())] += 1

# 初期値
s = [0] * (n + 1)
s[0] = 1
if (a[1] == 1):
    s[1] = 0
else:
    s[1] = 1

# 暫定結果を格納する配列


def calc(n):
    if(a[n] == 1):
        return 0
    else:
        return (s[n - 1] + s[n - 2]) % D


def solver(n):
    for i in range(2, n + 1):
        s[i] = calc(i)


solver(n)
print(s[n])