Harryxun/stf_run huggingface dataset:
s = input()

n1 = s[0:2]
n2 = s[2:4]

if int(n1) > 12 and int(n2) > 12:
  out_print = 'NA'

  elif int(n1) <= 12 and int(n2) <= 12:
    out_print = 'AMBIGUOUS'
    if int(n1) == 0:
      out_print = 'YYMM'
      elif int(n2) == 0:
        out_print = 'MMYY'
        elif int(n1)==0 and int(n2)==0:
          out_print = 'NA'
          elif int(n1) <= 12 and int(n2) >12:
            out_print = 'MMYY'
            if int(n1) == 0:
              out_print = 'NA'

              elif int(n1) > 12 and int(n2) <= 12:
                out_print = 'YYMM'
                if int(n2) == 0:
                  out_print = 'NA'
                  print(out_print)

### FIXED CODE ###

s = input()

n1 = s[0:2]
n2 = s[2:4]

if int(n1) > 12 and int(n2) > 12:
    out_print = 'NA'

elif int(n1) <= 12 and int(n2) <= 12:
    out_print = 'AMBIGUOUS'
    if int(n1) == 0 and int(n2)!=0:
        out_print = 'YYMM'
    elif int(n1) != 0 and int(n2) == 0:
        out_print = 'MMYY'
    elif int(n1)==0 and int(n2)==0:
        out_print = 'NA'

elif int(n1) <= 12 and int(n2) >12:
    out_print = 'MMYY'
    if int(n1) == 0:
        out_print = 'NA'

elif int(n1) > 12 and int(n2) <= 12:
    out_print = 'YYMM'
    if int(n2) == 0:
        out_print = 'NA'
print(out_print)
M,N = map(int,input().split())
user = list(eval(input().replace(" ",",")))
sum = 0
for i in user:
    sum = sum + int(i)
result = M - int(sum)
if result < 0:
    print("-1")
else:
    print(int(result))

### FIXED CODE ###

N,M = (input()).split()
task = input().split()
list1 = []
sum = 0
for i in task:
    list1.append(i)
for j in list1:
    sum = sum + int(j)
result = int(N) - sum
if result < 0:
    print(-1)
else:
    print(result)
a,b,c,d=input()
count=0

if(a==b):
    count+=1
    if(c==d and a!=c):
        count+=1
elif(a==c):
    count+=1
    if(b==d and a!=b):
        count+=1
elif(a==d):
    count+=1
    if(b==c ana a!=b):
        count+=1

if(count==2):
    print("Yes")
else:
    print("No")


### FIXED CODE ###

a,b,c,d=input()
count=0

if(a==b):
    count+=1
    if(c==d and a!=c):
        count+=1
elif(a==c):
    count+=1
    if(b==d and a!=b):
        count+=1
elif(a==d):
    count+=1
    if(b==c and a!=b):
        count+=1

if(count==2):
    print("Yes")
else:
    print("No")
import math
import bisect
N = int(input())
atans =  [0 for _ in range(N)]
for i in range(N):
  A, B = map(int, input().split())
  if A == 0:
    atans[i] = 90
  else:
    atans[i] = math.degrees(math.atan(A/B))

atans.sort()
index0 = bisect.bisect_left(atans, 0)
if (index0==0) or (index0==N):
  print(pow(2, N, 1000000007) -1)
  exit()

left = atans[:index0]
right = atans[index0:]
ans = 1

lenleft = index0
lenright = N - index0
now = -90
for i in range(index0):
  if left[i]==now:
    continue
  now = left[i]
  target = now+90
  same1 = bisect.bisect_right(right, target) - bisect.bisect_left(right, target)
  
  if same1 >= 1:
    lenright -= same1
    same2 = bisect.bisect_right(left, now) - bisect.bisect_left(left, now)
    ans = ans * (pow(2,same1,1000000007)+pow(2,same2,1000000007)-1) %1000000007
  else:
    ans = ans * 2 %1000000007

ans = (ans * pow(2, lenright, 1000000007) -1) % 1000000007
print(ans)

### FIXED CODE ###

import math
import bisect
MOD = 1000000007

N = int(input())
ABs =  []

count00 = 0
for i in range(N):
  A, B = map(int, input().split())
  if A == 0:
    if B == 0:
      count00 += 1
    else:
      ABs.append([0, -1])
  elif B == 0:
    ABs.append([1, 0])
  else:
    mygcd = math.gcd(A, B)
    A, B = A//mygcd, B//mygcd
    if A < 0:
      ABs.append([-A, -B])
    else:
      ABs.append([A, B])
  
N2 = N - count00
if N2 == 0:
  print(count00)
  exit()

ABs.sort(key = lambda x:x[1])
Bs = [i[1] for i in ABs]
index0 = bisect.bisect_left(Bs, 0)

if (index0==0) or (index0==N2):
  print((pow(2, N2, MOD) +count00 -1) %MOD)
  exit()

btm = ABs[:index0]
top = ABs[index0:]

lenbtm = index0
lentop = N2 - index0
for i in range(lenbtm):
  btm[i] = [-btm[i][1], btm[i][0]]

btmdict = {}
topdict = {}
for i in btm:
  mykey = str(i[0]) + '-' + str(i[1])
  btmdict[mykey] = 0
  topdict[mykey] = 0
for j in top:
  mykey = str(j[0]) + '-' + str(j[1])
  btmdict[mykey] = 0
  topdict[mykey] = 0

for i in btm:
  mykey = str(i[0]) + '-' + str(i[1])
  btmdict[mykey] += 1
for j in top:
  mykey = str(j[0]) + '-' + str(j[1])
  topdict[mykey] += 1

ans = 1
for i in btmdict:
  btmi = btmdict[i]
  topi = topdict[i]
  if btmi*topi >= 1:
    ans = ans * (pow(2, btmi, MOD) +pow(2, topi, MOD) -1) %MOD
  elif btmi == 0:
    ans = ans * pow(2, topi, MOD) %MOD
  else:
    ans = ans * pow(2, btmi, MOD) %MOD

ans = (ans +count00 -1) %MOD
print(ans)
from functools import lru_cache

ri = lambda S: [int(v) for v in S.split()]


def rii():
    return ri(input())


N, M, K = rii()
A = rii()
B = rii()

i = j = 0


@lru_cache(None)
def dp(i, j, k):
    ki = kj = mki = mkj = 0

    if i < N:
        Ki = k - A[i] if A[i] <= k else 0
        mki = 1 + dp(i + 1, j, Ki) if Ki >= 0 else 0
    if j < M:
        kj = k - B[j] if B[j] <= k else 0
        mkj = 1 + dp(i, j + 1, kj) if kj >= 0 else 0

    return max(mki, mkj)


print(dp(0, 0, K))
#print(dp.cache_info())


### FIXED CODE ###

from itertools import accumulate
from bisect import bisect_left

ri = lambda S: [int(v) for v in S.split()]


def rii():
    return ri(input())


N, M, K = rii()
A = rii()
B = rii()

i = j = 0

pA = [0] + list(accumulate(A))
pB = [0] + list(accumulate(B))

ans = 0
for i, a in enumerate(pA):
    br = 0
    if K >= a:
        r = K - a
        br = i
    
    if r:
        j = bisect_left(pB, r)
        if j != len(pB):
            if pB[j] > r:
                j -= 1
            br += j
    
    ans = max(ans, br)

print(ans)
l = list(map(int, input().split()))
len=sort(l)
print(len[1]*len[2])

### FIXED CODE ###

l = list(map(int, input().split()))
len=sorted(l)
print(int(len[1]*len[0]/2))
n,k = list(map(int, input().split()))
step_array = list(map(int, input().split()))
score_array = [0 for _ in range(10)]
for i in range(0, n+1):
	for j in range(1, k+1):
		if i+j > n-1:
			break
		cost = abs(step_array[i] - step_array[i+j]) + score_array[i]
		if( score_array[i+j] == 0 or score_array[i+j]>cost):
			score_array[i+j] = cost
print(score_array[n-1])

### FIXED CODE ###

n,k = list(map(int, input().strip().split()))
step_array = list(map(int, input().strip().split()))
score_array = [0]
for i in range(0, n+1):
	for j in range(1, k+1):
		if i+j > n-1:
			break
		cost = abs(step_array[i] - step_array[i+j]) + score_array[i]
		if len(score_array) <= i+j:
			score_array.append(cost)
		elif(score_array[i+j]>cost):
			score_array[i+j] = cost
print(score_array[n-1])
def P(n, k):
    cnt = 1
    for i in range(n, n-k, -1):
        cnt *= i
        cnt %= mod
    return cnt

def dfs(v, p):
    global ans
    for nv in link[v]:
        if nv == p:
            continue
        dfs(nv, v)
    # p = -1の時は根である。根も含めて塗り分け方を考えるので、
    # n = K、c = 子の数+根の数で塗り分け方を求める
    # 見るのが子の時はその上の頂点とその親が塗られているので、
    # n = K-2、c = 子の数となる
    if p == -1:
        n = K
    else:
        n = K - 2
    if p == -1:
        k = len(link[v]) + 1
    else:
        k = len(link[v]) - 1
        
    ans *= P(n, k) % mod

N, K = map(int, input().split())
link = [[] for _ in range(N)]
for i in range(N-1):
    a, b = map(int, input().split())
    link[a-1].append(b-1)
    link[b-1].append(a-1)

mod = 10 ** 9 + 7
ans = 1

dfs(0, -1)

print(ans % mod)


### FIXED CODE ###

import sys
sys.setrecursionlimit(10**6)

def perm(n, k):
    if n < 0:
        return 0
    if k > n:
        return 0
    return fact[n] * ifact[n-k] % mod

def dfs(v, p):
    global ans
    for nv in link[v]:
        if nv == p:
            continue
        dfs(nv, v)
    # p = -1の時は根である。根も含めて塗り分け方を考えるので、
    # n = K、c = 子の数+根の数で塗り分け方を求める
    # 見るのが子の時はその上の頂点とその親が塗られているので、
    # n = K-2、c = 子の数となる
    if p == -1:
        n = K
    else:
        n = K - 2
    if p == -1:
        k = len(link[v]) + 1
    else:
        k = len(link[v]) - 1

    ans *= perm(n, k)
    ans %= mod

N, K = map(int, input().split())
link = [[] for _ in range(N)]
for i in range(N-1):
    a, b = map(int, input().split())
    link[a-1].append(b-1)
    link[b-1].append(a-1)

mod = 10 ** 9 + 7
ans = 1

fact = [0] * (10**5+1)
fact[0] = 1
fact[1] = 1
for i in range(2, 10**5+1):
    fact[i] = fact[i-1] * i
    fact[i] %= mod
ifact = [0] * (10**5+1)
for i in range(10**5+1):
    ifact[i] = pow(fact[i], mod-2, mod)
    ifact[i] %= mod

dfs(0, -1)

print(ans % mod)
import sys
from scipy.sparse import csr_matrix
from scipy.sparse.csgraph import bellman_ford
from scipy.sparse.csgraph._shortest_path import NegativeCycleError

input = sys.stdin.buffer.readline


N, M = map(int, input().split())
starts = []
ends = []
costs = []
for _ in range(M):
    a, b, c = map(int, input().split())
    starts.append(a-1)
    ends.append(b-1)
    if c != 0:
        costs.append(-c)
    else:
        costs.append(sys.float_info.epsilon)

graph = csr_matrix((costs, (starts, ends)), shape = (N, N))
try:
    ans = bellman_ford(graph, directed = True, indices = 0)[N-1]
    ans = int(round(-ans))
except NegativeCycleError:
    ans = "inf"

print(ans)


### FIXED CODE ###

import sys
from scipy.sparse import csr_matrix
from scipy.sparse.csgraph import bellman_ford, connected_components
from scipy.sparse.csgraph._shortest_path import NegativeCycleError

input = sys.stdin.buffer.readline


N, M = map(int, input().split())
starts = []
ends = []
costs = []
for _ in range(M):
    a, b, c = map(int, input().split())
    starts.append(a-1)
    ends.append(b-1)
    if c != 0:
        costs.append(-c)
    else:
        costs.append(sys.float_info.epsilon)

look_for_loop = csr_matrix((costs + [0], (starts + [N-1], ends + [0])), shape = (N, N))
_, labels = connected_components(look_for_loop, connection = "strong")
mask = (labels == labels[0])

graph = csr_matrix((costs, (starts, ends)), shape = (N, N)).toarray()
graph = graph[mask, :][:, mask]

try:
    ans = bellman_ford(graph, directed = True, indices = [0])[0][-1]
    ans = int(round(-ans))
except NegativeCycleError:
    ans = "inf"

print(ans)
c1, c2, c3 = input().split()
c4, c5, c6 = input().split()

if c1 == c6 and c2 == c5 and c3 == c4:
  print("YES")
else:
  print("NO")

### FIXED CODE ###

a = input()
b = input()
 
if a[0] == b[2] and a[1] == b[1] and a[2] == b[0]:
  print("YES")
else:
  print("NO")
N,X = list(map(int, input().split()))
L = list(map(int, input().split()))


cou = 0
BP = 0
for i in range(0, N + 1):
    if BP <= X:
        cou += 1
        BP += L[i]
    else:
        print(cou)
        exit()
print(cou)

### FIXED CODE ###

N,X = list(map(int, input().split()))
L = list(map(int, input().split()))
L.insert(0,0)
cou = 0
BP = 0
for i in range(N + 1):
    BP += L[i]
    if BP <= X:
        cou += 1
    else:
        print(cou)
        exit()
print(cou)
return 1000 - N%1000

### FIXED CODE ###

n = int(input())
ans = (1000 - (n % 1000)) % 1000
print(ans)
import sys
input = sys.stdin.readline
from collections import deque

N,M = map(int,input().split())
words = [deque(input().rstrip()) for _ in range(N)]

# 深さLのfull treeの小さい方を計算してみる
def G_small():
    G = [0] * 100
    G_cum = [0] * 100
    G[0] = 1
    G_cum[0] = 1
    for n in range(1,100):
        can_make = set(G_cum[n-1]^G_cum[x] for x in range(n)) | set([G_cum[n-1]])
        rest = set(range(n+10)) - can_make
        G[n] = min(rest)
        G_cum[n] = G_cum[n-1] ^ G[n]
    return G

# print([(n,G[n]) for n in range(100)])
# G[n] = 2**ord_2(n+1)
# 値がわかれば証明は易しい

def G(n):
    n += 1
    x = 1
    while not n & 1:
        n >>= 1
        x <<= 1
    return x

def calc_grandy(words,L):
    if not words:
        return G(L)
    if len(words) == 1 and words[0] == deque():
        return 0
    words_0 = []
    words_1 = []
    for word in words:
        first = word.popleft()
        if first == '0':
            words_0.append(word)
        else:
            words_1.append(word)
    return calc_grandy(words_0,L-1) ^ calc_grandy(words_1,L-1)

g = calc_grandy(words,M)

answer = 'Alice' if g != 0 else 'Bob'
print(answer)

### FIXED CODE ###

import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**6)
from collections import deque

N,M = map(int,input().split())
words = [deque(input().rstrip()) for _ in range(N)]

# 深さLのfull treeの小さい方を計算してみる
def G_small():
    G = [0] * 100
    G_cum = [0] * 100
    G[0] = 1
    G_cum[0] = 1
    for n in range(1,100):
        can_make = set(G_cum[n-1]^G_cum[x] for x in range(n)) | set([G_cum[n-1]])
        rest = set(range(n+10)) - can_make
        G[n] = min(rest)
        G_cum[n] = G_cum[n-1] ^ G[n]
    return G

# print([(n,G[n]) for n in range(100)])
# G[n] = 2**ord_2(n+1)
# 値がわかれば証明は易しい

def G(n):
    n += 1
    x = 1
    while not n & 1:
        n >>= 1
        x <<= 1
    return x

def calc_grandy(words,L):
    if not words:
        return G(L)
    if len(words) == 1 and words[0] == deque():
        return 0
    words_0 = []
    words_1 = []
    for word in words:
        first = word.popleft()
        if first == '0':
            words_0.append(word)
        else:
            words_1.append(word)
    return calc_grandy(words_0,L-1) ^ calc_grandy(words_1,L-1)

g = calc_grandy(words,M)

answer = 'Alice' if g != 0 else 'Bob'
print(answer)
M = []
for i in range(5):
  M.append(int(input()))

T = M[:]
tmp = 10
for i in range(5):
  if tmp > M[i] % 10 > 0:
    tmp = M[i] % 10
    c = i
  M[i] = ((M[i] - 1) // 10 + 1) * 10
M[c] = T[c]
print(sum(M))

### FIXED CODE ###

M = [int(input()) for i in range(5)]

a = [((i - 1) // 10 + 1) * 10 for i in M]
b = [(i - 1) % 10 for i in M]

ans = sum(a) + min(b) - 9
print(ans)
a,b,c=map(int,input().split())

sum = b + c

#何セットあるか確かめる
set = int(a / sum)
#print(set)

#セットの中にある青玉の個数
blue_1 = set * b 
#print(blue_1)

#最後のあまりを数える
amari = a % sum
#print(amari)

if amari <= b:
  print(blue_1 + amari)
  
else :
  print(blue_1 + b)

### FIXED CODE ###

a,b,c = input()
if a==b==c:
  print('No')
 
else:
  print('Yes')
#a a <A
#b b <B
#c K-a-b <C 
if K < A:
    ans=K
elif K-A <= B and K>=A:
    ans=A
else :
    ans=A-(K-A-B)
print(ans)

### FIXED CODE ###

A,B,C,K=map(int,input().split())
#print(A,B,C,K)
#a a <A
#b b <B
#c K-a-b <C 
if K < A:
    ans=K
elif K-A <= B and K>=A:
    ans=A
else :
    ans=A-(K-A-B)
print(ans)
s = input()

n = len(s)
index = []

a = 'R'
for i in range(n):
    if a == 'R' and s[i] == 'L':
        index += [(i - 1)]
        a = 'L'
    elif a == 'L' and s[i] == 'R':
        index += [-(i - 1)]
        a = 'R'


ans = [0] * n
i = 0
j = 0
while i < n:
    if abs(i - index[j]) % 2 == 0:
        ans[index[j]] += 1
    else:
        ans[index[j]+1] += 1

    if -i in index:
        j += 2
    i += 1
ans = map(str, ans)
print(' '.join(ans))

### FIXED CODE ###

s = input()
# s = 'RRRLLL'
n = len(s)
index = []

a = 'R'
for i in range(n):
    if a == 'R' and s[i] == 'L':
        index += [(i - 1)]
        a = 'L'
    elif a == 'L' and s[i] == 'R':
        index += [-(i - 1)]
        a = 'R'
m = len(index)

ans = [0] * n
j = 0
r = 0
while True:
    if j == m - 1:
        l = n
        if (index[j] - r) % 2 == 1:
            ans[index[j]] = (l - r) // 2
            ans[index[j]+1] = (l - r) - (l - r) // 2 
        else:
            ans[index[j]+1] = (l - r) // 2
            ans[index[j]] = (l - r) - (l - r) // 2
        break 
    l = -index[j+1] + 1
    if (index[j] - r) % 2 == 1:
        ans[index[j]] = (l - r) // 2
        ans[index[j]+1] = (l - r) - (l - r) // 2 
    else:
        ans[index[j]+1] = (l - r) // 2
        ans[index[j]] = (l - r) - (l - r) // 2
    r = l
    j += 2

ans = map(str, ans)
print(' '.join(ans))
# -*- coding: utf-8 -*-


S=input()
K=input()


if(len(K)>=S):
    print(K[0:S]+"...")

else:
    print(K)


### FIXED CODE ###

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


S=int(input())
K=input()


if(len(K)>S):
    print(K[0:S]+"...")

else:
    print(K)
a, b = map(int, input())
if (a*b)%2 == 0:
    print("Even")
else:
    print("Odd")

### FIXED CODE ###

a, b = map(int, input().split())
if (a*b)%2 == 0:
    print("Even")
else:
    print("Odd")
import math
def lcm(x, y):
    return (x * y) // math.gcd(x, y)

A,B,C,D=map(int, input().split())

#CとDの最小公倍数
LCM=lcm(C,D)

#A未満でCで割れる個数
Ac=(A-1)//C

#範囲内でCで割れる個数
div_C=B//C-Ac

#A未満でDで割れる個数
Ad=(A-1)//D

#範囲内でDで割れる個数
div_D=B//D-Ad

#A未満でLCMで割れる個数
Alcm=(A-1)//LCM

#範囲内でLCMで割れる個数
div_CD=B//LCM-Alcm

#解答
Ans=(B-A+1)-div_C-div_D+div_CD
print(Ans)

### FIXED CODE ###

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

A,B,C,D=map(int, input().split())

#CとDの最小公倍数
LCM=lcm(C,D)
#A未満でCで割れる個数
Ac=(A-1)//C
#範囲内でCで割れる個数
div_C=B//C-Ac
#A未満でDで割れる個数
Ad=(A-1)//D
#範囲内でDで割れる個数
div_D=B//D-Ad
#A未満でLCMで割れる個数
Alcm=(A-1)//LCM
#範囲内でLCMで割れる個数
div_CD=B//LCM-Alcm
#解答
Ans=(B-A+1)-div_C-div_D+div_CD
print(Ans)
import sys
import functools
from collections import deque

readline = sys.stdin.buffer.readline
n, m, k = map(int, readline().split())
a = list(map(int, readline().split()))
b = list(map(int, readline().split()))

a_len = len(a)
b_len = len(b)


ans = [0, 0, 0]

L = []
d = deque()
d.append((0, 0, 0))
while d:
    a_readed, b_readed, t = d.popleft()
    if (a_len <= a_readed or t + a[a_readed] >= k) and (b_len <= b_readed or t + b[b_readed] >= k):
        L.append(a_readed + b_readed)
    else:
        if a_len > a_readed and t + a[a_readed] <= k:
            d.append((a_readed + 1, b_readed, t + a[a_readed]))
        if b_len > b_readed and t + b[b_readed] <= k:
            d.append((a_readed, b_readed + 1, t + b[a_readed]))

ans = max(L)
print(ans)

### FIXED CODE ###

import sys
from itertools import accumulate


def _tsundoku(n, m, k, a, b):
    a_temp = tuple(accumulate(a, initial=0))
    b_temp = tuple(accumulate(b, initial=0))

    ans = 0
    b_index = m
    for a_index in range(n + 1):
        if a_temp[a_index] > k:
            break
        while a_temp[a_index] + b_temp[b_index] > k:
            b_index -= 1
        else:
            ans = max(ans, a_index + b_index)
    return ans


def tsundoku(f):
    readline = f.readline
    n, m, k = map(int, readline().split())
    a = list(map(int, readline().split()))
    b = list(map(int, readline().split()))

    return _tsundoku(n, m, k, a, b)


def main():
    ans = tsundoku(sys.stdin.buffer)
    print(ans)


if __name__ == '__main__':
    main()
import sys,heapq
input = sys.stdin.buffer.readline

Q = int(input())

ans = []
for testcase in range(Q):
    a,b = map(int,input().split())
    p = int((a*b-1)**0.5)
    res = p*2
    if a != b:
        res -= 1
    if p == (a*b - 1)//p:
        res -= 1
    ans.append(res)

print(*ans,sep='\n')

### FIXED CODE ###

import sys,heapq
input = sys.stdin.buffer.readline

Q = int(input())

def f(x,y):
    ma = x*y - 1
    ok = 0
    ng = 10**9 + 1
    while ng - ok > 1:
        mid = (ok+ng)//2
        if mid**2 <= ma:
            ok = mid
        else:
            ng = mid
    return ok

ans = []
for testcase in range(Q):
    a,b = map(int,input().split())
    if a == 1 and b == 1:
        ans.append(0)
        continue
    p = f(a,b)
    res = p*2
    if a != b:
        res -= 1
    if p == (a*b - 1)//p:
        res -= 1
    ans.append(res)

print(*ans,sep='\n')
n, a = [int(i) for i in input().split()]
x = [int(i) for i in input().split()]

dp=[[0 for i in range(a*n+1)] for j in range(n+1)]
dp[0][0]=1
ans=0
f=0

for k in range(1,n+1):
  kx=x[k-1]
  f+=kx
  for i in range(k,0,-1):
    for j in range(kx,a*n+1):
      dp[i][j] += dp[i-1][j-kx]
      if j > f:
        break
      
for i in range(1,n+1):
  ans+=dp[i][a*i]

print(ans)


### FIXED CODE ###

n, a = [int(i) for i in input().split()]
x = [int(i) for i in input().split()]

dp=[[0 for i in range(a*n+1)] for j in range(n+1)]
dp[0][0]=1
ans=0
f=0

for k in range(1,n+1):
  kx=x[k-1]
  f+=kx
  for i in range(k,0,-1):
    for j in range(kx,a*n+1):
      dp[i][j] += dp[i-1][j-kx]
      if j > f:
        break
      
for i in range(1,n+1):
  ans+=dp[i][a*i]

print(ans)
N=list(input())
answer="no"
for i in range(len(N)-2)
  if N[i]==N[i+1]:
    if N[i+1]==N[i+2]:
      answer="yes"
print(answer)

### FIXED CODE ###

N=input()
answer="No"
for i in range(len(N)-2):
  if N[i]==N[i+1]:
    if N[i+1]==N[i+2]:
      answer="Yes"
print(answer)
a = int(input())
b = list(map(int,input().split()))
bmax = 0
ans = 0
for i in range(a):
    if i == 0:
        bmax = a[i]
    else:
        if bmax < a[i]:
            bmax = a[i]
        elif bmax > a[i]:
            ans += bmax - a[i]
print(str(ans))

### FIXED CODE ###

a = int(input())
b = list(map(int,input().split()))
bmax = 0
ans = 0
for i in range(a):
    if i == 0:
        bmax = b[i]
    else:
        if bmax < b[i]:
            bmax = b[i]
        elif bmax > b[i]:
            ans += bmax - b[i]
print(str(ans))
nn = [0] * 6
nn[0] = n
count = 0
while nn[5] != n:
    idou_1 = min(a[0],nn[0])
    idou_2 = min(a[1],nn[1])
    idou_3 = min(a[2],nn[2])
    idou_4 = min(a[3],nn[3])
    idou_5 = min(a[4],nn[4])
    nn[0] -= idou_1
    nn[1] += idou_1
    nn[1] -= idou_2
    nn[2] += idou_2
    nn[2] -= idou_3
    nn[3] += idou_3
    nn[3] -= idou_4
    nn[4] += idou_4
    nn[4] -= idou_5
    nn[5] += idou_5
    count += 1
print(count)

### FIXED CODE ###

import math
n = int(input())
a = [int(input()) for i in range(5)]
print(math.ceil(n/min(a[0],a[1],a[2],a[3],a[4]))+4)
a, b = map(int, input().split())
return 'Even' if a * b % 2 == 0 else 'Odd'

### FIXED CODE ###

a, b = map(int, input().split())
print('Even' if a * b % 2 == 0 else 'Odd')
n,x=map(int,input().split())
A=list(map(int,input().split()))
ans=0
m=0
r=0
for l in range(n):
  a=A[l:]+A[:l]
  a=a[::-1]
  tmp=A[l]
  r=A[r]
  for i in range(n):
    if tmp>a[i]+x*(i+1):
      r=a[i]
      tmp=a[i]+x*(i+1)
      m=max(i+1,m)
  ans+=r
print(ans+m*x)


### FIXED CODE ###

n,x=map(int,input().split())
A=list(map(int,input().split()))
ans=float("INF")
dp=[[A[i]]*n for i in range(n)]
for l in range(n):
  a=A[l:]+A[:l]
  a=a[::-1]
  for i in range(n-1):
    dp[l][i+1]=min(dp[l][i],a[i])
for i in range(n):
  tmp=0
  for j in range(n):
    tmp+=dp[j][i]
  ans=min(tmp+x*i,ans)
print(ans)
# -*- coding: utf-8 -*-
from fractions import gcd

# スペース区切りの整数の入力
N, X = map(int, input().split())
pos = [int(x.strip()) for x in input().split()]

# 一番近い場所を検索
tikai = [i - X for i in pos]
kyori = list(map(abs,tikai))

a = kyori[0]
for xi in kyori[1:]:
    a = gcd(a, xi)
print(a)

### FIXED CODE ###

# -*- coding: utf-8 -*-
# スペース区切りの整数の入力
a, b = map(int, input().split())

if ((a * b) % 2) == 1:
    print("Yes")
else:
    print("No")
import numpy as np
 
N, D = int(input().split()) #1行目のNを取得する
grid = []
for i in range(N):
    array = list(map(int, input().strip().split()))
    grid.append(array)
p = 0
for i in range(N):
  if np.sqrt(grid[i,0]*grid[i,0] + grid[i,1], grid[i,1]) <= D:
    p += 1
print(p)

### FIXED CODE ###

import numpy as np
 
N, D = input().strip().split() #1行目のNを取得する
grid = []
for i in range(int(N)):
    array = list(map(int, input().strip().split()))
    grid.append(array)
grid = np.array(grid)
p = 0
for i in range(int(N)):
  if np.sqrt(grid[i,0]*grid[i,0] + grid[i,1]*grid[i,1]) <= int(D):
    p += 1
print(p)
n,m = list(map(int,input().split()))
a = [0]*m
for i in range(m):
    a[i] = int(input())
memo = [-1]*(n+1)

def stair(k):
    if memo[k] != -1:
        return memo[k]
    else:
        if k == 1:
            if 1 not in a:
                memo[k] = 1
            else:
                memo[k] = 0
        elif k == 2:
            if 2 not in a:
                memo[k] = 1 + stair(1)
            else:
                memo[k] = 0 + stair(1)
        elif k not in a:
            if k-1 not in a:
                if k-2 not in a:
                    memo[k] = (stair(k-1)+stair(k-2))%1000000007
                else:
                    memo[k] = stair(k-1)
            else:
                if k-2 not in a:
                    memo[k] = stair(k-2)
                else:
                    memo[k] = 0
        else:
            memo[k] = 0
    return memo[k]

print(stair(n))

### FIXED CODE ###

n,m = list(map(int,input().split()))
a = [0]*m
for i in range(m):
    a[i] = int(input())
dp = [0]*(n+2)
for i in a:
    dp[i] = -1
dp[0] = 1

for i in range(n):
    if dp[i]<0:
        continue
    dp[i] %= 10**9+7
    if dp[i+1]>=0:
        dp[i+1] += dp[i]
    if dp[i+2]>=0:
        dp[i+2] += dp[i]
print(dp[n]%(10**9+7))