Harryxun/stf_run huggingface dataset:
a,b = map(int, input().split())
print(min(a+b,min(a-b,a*b))

### FIXED CODE ###

a,b = map(int, input().split())
print(max(a+b,max(a-b,a*b)))
n = input()
s,t = input().split()
for i in range(n):
  print(s[i]+t[i],end='')

### FIXED CODE ###

n = int(input())
s,t = input().split()
for i in range(n):
  print(s[i]+t[i],end='')
a=list(map(int,input().split()))
import test
test.solve(a)

### FIXED CODE ###

a=list(map(int,input().split()))
a=set(a)
if len(a)==2:
    print('Yes')
else:
    print('No')
import sys
lines=sys.stdin.readlines()
for line in lines:
    H,W=map(int,line)
    for i in range(H):
        if H==0 and W==0: break
        print('#'*W)
        print()

### FIXED CODE ###

import sys
lines=sys.stdin.readlines()
for line in lines:
    H,W=map(int,line.split())
    if H == W == 0: break
    for i in range(H):
        print('#'*W)
    print('')
s=list(input())
t=list(input())

x=len(s)

ch1=0
ch=0

for i in range(x):
  if s[i]=t[x-1-i]:
    ch+=1

for j in range(x):
  if s[j]=t[j]:
    ch1+=1
    
print('Yes' if ch==x or ch1==x else:'No')
  

### FIXED CODE ###

s=list(input())
t=list(input())

S=s+s
c=0

for i in range(len(s)):
  ch=0
  for j in range(len(s)):
    if S[i+j]==t[j]:
      ch+=1
  if ch==len(s):
    c+=1

if c>0:
  print('Yes')
  
else:
  print('No')
S = int(input())

first_half = round(S, -2) / 100
second_half = S - round(S, -2)

if 1 <= second_half <= 12 and 1 <= first_half <= 12 :
  print("AMBIGUOUS")
  elif 1 <= second_half <= 12 :
    print("YYMM")
  elif 1 <= first_half <= 12 :
    print("MMYY")
  else: 
    print("NA")

### FIXED CODE ###

import math

S = int(input())

first_half = math.floor(S / 100)
second_half = S - first_half * 100

if 1 <= second_half <= 12 and 1 <= first_half <= 12 :
  print("AMBIGUOUS")
elif 1 <= second_half <= 12 :
   		print("YYMM")
elif 0 == first_half or 12 < first_half :
    	print("NA")
else: 
        print("MMYY")
N=int(input())
s=[0]*4
for i in range(N):
  A=str(input())
  if A=='AC':
    s[0]+=1
  elif A=='WA':
    s[1]+=1
  elif A=='TLE':
    s[2]+=1
  elif A=='RE':
    s[3]+=1
print('AC','x',s[0])p
print('WA','x',s[1])
print('TLE','x',s[2])
print('RE','x',s[3])

### FIXED CODE ###

N=int(input())
s=[0]*4
for i in range(N):
  A=str(input())
  if A=='AC':
    s[0]+=1
  elif A=='WA':
    s[1]+=1
  elif A=='TLE':
    s[2]+=1
  elif A=='RE':
    s[3]+=1
print('AC','x',s[0])
print('WA','x',s[1])
print('TLE','x',s[2])
print('RE','x',s[3])
a = input()
b = input()
print(int(a * b))

### FIXED CODE ###

a,b=map(int,input().split())
print(a*b)
def main():
    n = int(input()) - 1
    res = ''
    d = 1
    base = []
    alp = 'abcdefghijklmnopqrstuvwxyz'
    for i in range(11):
        d *= 26
        base.append(d)
    st = True
    for b in base[::-1]:
        if b < n:
            st = False
        if st:
            continue
        res += alp[(n // b) -1]
        n = n % b
    res += alp[n]
    print(res)



if __name__ == '__main__':
    main()



### FIXED CODE ###

def main():
    n = int(input())
    res = ''
    d = 1
    base = []
    alp = 'abcdefghijklmnopqrstuvwxyz'
    for b in range(12):
        mod = n % 26
        if mod == 0:
            mod = 26
        res = alp[mod-1] + res
        if n - mod == 0:
            break
        else:
            n = int((n - mod) / 26)
            
    print(res)




if __name__ == '__main__':
    main()
a,b,c=map(int,raw_input().split())
if a ==b and a!=c:
  print c
elif b == c and b != a:
  print a 
elif: a==c and a !=b:
  print b

### FIXED CODE ###

a,b,c=map(int,raw_input().split())
if a ==b and a!=c:
  print c
elif b == c and b != a:
  print a 
else:
  print b
N=int(input())
h=list(map(int,input().split()))
ans=0
flag = False
for hei in range(1,101):
  for i in range(N+1):
    if h[i] >= hei or i!=N:
      flag = True
    else:
      if flag:
        ans+=1
        flag = False
print(ans)


### FIXED CODE ###

N=int(input())
h=list(map(int,input().split()))
h.append(0)
ans=0
flag = False
for hei in range(1,101):
  for i in range(N+1):
    if h[i] >= hei and i!=N:
      flag = True
    else:
      if flag:
        ans+=1
        flag = False
print(ans)
N, K = map(int,input().split())
A = list(map(int,input().split()))
MOD = 10**9 + 7

LANK = list(set(A))
LANK.sort()
print(LANK)
LANK2 = [0] * 2000
for i, l in enumerate(LANK):
    LANK2[l] = i

LANK = [-1] * N
for i,a in enumerate(A):
    LANK[i] = LANK2[a]

back = [0] * N
for i,a in enumerate(A[::-1]):
    cnt = 0
    for j,a2 in enumerate(A[::-1]):
        if i > j and a > a2:
            cnt += 1
    back[N-1-i] = cnt
    

SUM = 0
tmp = sum(range((K)))
for i,a in enumerate(A):
    SUM += LANK[i] * tmp + back[i] * K
    SUM %= MOD
print(SUM)

### FIXED CODE ###

N, k = map(int,input().split())
A = list(map(int,input().split()))
MOD = 10**9+7

ans = 0
for i in range(N):
    for j in range(N):
        if A[i] > A[j]:
            if i > j:
                ans += k*(k-1)//2
            elif i < j:
                ans += k*(k+1)//2
            ans %= MOD

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

cnt = 0
cost = 0
for i, x in enumerate(a):
    cost += x
    if cost > k:
        cnt = i
        cost -= x
        break
else:
    for j, y in enumerate(b):
        cost += y
        if cost > k:
            cnt = n + j
            cost -= y
            break
    else:
        cnt = n + m

if cnt <= n:
    i_max, j = cnt - 1, 0
else:
    i_max, j = n - 1, cnt - n + 1

while cost + b[j] <= k and j < m - 1:
    j += 1
    cnt += 1
    cost += b[j]

ans = cnt
for i_max in range(i_max, -1, -1):
    cost -= a[i]
    cnt -= 1
    while cost + b[j] <= k and j < m - 1:
        j += 1
        cnt += 1
        cost += b[j]
    ans = max(cnt, ans)
    if j == m - 1: break
    i -= 1

print(ans)

### FIXED CODE ###

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

cnt = 0
cost = 0
for i, x in enumerate(a):
    cost += x
    if cost > k:
        cnt = i
        cost -= x
        break
else:
    for j, y in enumerate(b):
        cost += y
        if cost > k:
            cnt = n + j
            cost -= y
            break
    else:
        cnt = n + m

if cnt <= n:
    i_max, j = cnt - 1, 0
else:
    i_max, j = n - 1, cnt - n

while j < m and cost + b[j] <= k:
    cost += b[j]
    j += 1
    cnt += 1

ans = cnt
for i in range(i_max, -1, -1):
    if j == m: break
    cost -= a[i]
    cnt -= 1
    while j < m and cost + b[j] <= k:
        cost += b[j]
        j += 1
        cnt += 1

    ans = max(cnt, ans)

print(ans)
from sys import stdin

n = int(stdin.readline().rstrip())
d = [int(x) for x in stdin.readline().rstrip().split()]

m = [0] * 1000000000

for i in d:
    m[i] += 1

result = 0
for i in m:
    if (i > 1):
        result += 1

if (result > 0):
    print("No")
else:
    print("Yes")

### FIXED CODE ###

from sys import stdin
import math

n = int(stdin.readline().rstrip())
a = [int(x) for x in stdin.readline().rstrip().split()]

d = {}
for aa in a:
    if aa in d.keys():
        d[aa] += 1
    else:
        d[aa] = 1

result = 'YES'
for key, value in d.items():
    if value > 1:
        result = 'NO'

print(result)
from heapq import *
import sys
from collections import *
from itertools import *
from decimal import *
import copy
from bisect import *
import math
sys.setrecursionlimit(4100000)
def gcd(a,b):
    if(a%b==0):return(b)
    return (gcd(b,a%b))
input=lambda :sys.stdin.readline().rstrip()

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

if not N%2:
    print(unko)


x,y=N//2,N//2+1
for i in range(M):
    print(x-i,y+i)


### FIXED CODE ###

from heapq import *
import sys
from collections import *
from itertools import *
from decimal import *
import copy
from bisect import *
import math
sys.setrecursionlimit(4100000)
def gcd(a,b):
    if(a%b==0):return(b)
    return (gcd(b,a%b))
input=lambda :sys.stdin.readline().rstrip()

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

if N%2:
    x,y=N//2,N//2+1
    for i in range(M):
        print(x-i,y+i)

else:

    for i in range(M//2+M%2):
        print(1+i,1+M-1*(M%2==0)-i)
    for i in range(M//2):
        print(N-(M-M%2)+i,N-i)
#!/usr/bin/env python3

import numpy as np
from scipy.special import comb

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

a_sum = np.cumsum(a)


re_list = {}
for i in a_sum:
    re = i % m
    if re in re_list:
        re_list[re] += 1
    else:
        re_list[re] = 1
re_list[0] += 1
# print(re_list)
ans = 0
for value in re_list.values():
    ans += comb(value, 2, exact=True)

print(ans)


### FIXED CODE ###

#!/usr/bin/env python3

import numpy as np
from scipy.special import comb

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

a_sum = np.cumsum(a)


re_list = {}
re_list[0] = 1
for i in a_sum:
    re = i % m
    if re in re_list:
        re_list[re] += 1
    else:
        re_list[re] = 1

# print(re_list)
ans = 0
for value in re_list.values():
    ans += comb(value, 2, exact=True)

print(ans)
# D - Integer Cards

# 小さい数字から順になるべく大きい数字に書き換える

N, M = map(int, input().split())
A = sorted(list(map(int, input().split())))
BC = [list(map(int, input().split())) for _ in range(M)]

BC = sorted(BC, key = lambda x : x[1], reverse = True)

idx = 0
for i in range(M):
    for _ in range(BC[i][0]):
        if A[idx] < BC[i][1]:
            A[idx] = BC[i][1]
            idx += 1
        else:
            break
    else:
        continue
    break
    
print(sum(A))

### FIXED CODE ###

# D - Integer Cards

# 小さい数字から順になるべく大きい数字に書き換える

N, M = map(int, input().split())
A = sorted(list(map(int, input().split())))
BC = [list(map(int, input().split())) for _ in range(M)]

BC = sorted(BC, key = lambda x : x[1], reverse = True)

idx = 0
for i in range(M):
    for _ in range(BC[i][0]):
        if idx <= N-1 and A[idx] < BC[i][1]:
            A[idx] = BC[i][1]
            idx += 1
        else:
            break
    else:
        continue
    break
    
print(sum(A))
import sys
from collections import deque

readline = sys.stdin.readline
readall = sys.stdin.read
ns = lambda: readline().rstrip()
ni = lambda: int(readline().rstrip())
nm = lambda: map(int, readline().split())
nl = lambda: list(map(int, readline().split()))

h, w, k = nm()
sy, sx, gy, gx = nm()
d = [(0, 1), (1, 0), (-1, 0), (0, -1)]
sx -= 1; sy -= 1
gx -= 1; gy -= 1
C = [ns() for _ in range(w)]
G = [[10**10]*w for _ in range(h)]
G[sy][sx] = 0
q = deque([(sy, sx)])
while q:
    y, x = q.popleft()
    for i in range(4):
        dy, dx = d[i]
        ny, nx = y, x
        for _ in range(k):
            ny += dy; nx += dx
            if ny < 0 or h <= ny or nx < 0 or w <= nx:
                break
            if C[ny][nx] == '@' or G[ny][nx] <= G[y][x]:
                break
            if G[ny][nx] > G[y][x] + 1:
                G[ny][nx] = G[y][x] + 1
                q.append((ny, nx))
ans = G[gy][gx]
print(ans if ans < 10**10 else -1)


### FIXED CODE ###

import sys
from collections import deque

readline = sys.stdin.readline
readall = sys.stdin.read
ns = lambda: readline().rstrip()
ni = lambda: int(readline().rstrip())
nm = lambda: map(int, readline().split())
nl = lambda: list(map(int, readline().split()))


def solve():
    h, w, k = nm()
    sy, sx, gy, gx = nm()
    d = [(0, 1), (1, 0), (-1, 0), (0, -1)]
    sx -= 1; sy -= 1
    gx -= 1; gy -= 1
    C = [ns() for _ in range(h)]
    G = [[10**7]*w for _ in range(h)]
    G[sy][sx] = 0
    q = deque([(sy, sx)])
    while q:
        y, x = q.popleft()
        for i in range(4):
            dy, dx = d[i]
            ny, nx = y, x
            for _ in range(k):
                ny += dy; nx += dx
                if ny < 0 or h <= ny or nx < 0 or w <= nx:
                    break
                if C[ny][nx] == '@' or G[ny][nx] <= G[y][x]:
                    break
                if G[ny][nx] > G[y][x] + 1:
                    G[ny][nx] = G[y][x] + 1
                    q.append((ny, nx))
    ans = G[gy][gx]
    print(ans if ans < 10**7 else -1)
    return

solve()
n, m = map(int, input.split())
a = list(map(int, input.split()))
sum = 0
for i in a:
    sum += i
if n >= sum:
    print(n - sum)
else:
    print(-1)

### FIXED CODE ###

n, m = map(int, input().split())
a = list(map(int, input().split()))
sum = 0
for i in a:
    sum += i
if n >= sum:
    print(n - sum)
else:
    print(-1)
print(100 ** int(input()) * int(input())

### FIXED CODE ###

D, N = map(int, input().split())
print(100 ** D * N if N != 100 else 100 ** D * 101)
def inverse_mod(a, mod=10**9+7):
    """ Calculate inverse of the integer a modulo mod.
    """
    return pow(a, mod-2, mod)


def combination_mod(n, r, mod=10**9+7):
    """ Calculate nCr modulo mod.
    """

    r = min(r, n-r)
    numerator = denominator = 1
    for i in range(r):
        numerator = numerator * (n - i) % mod
        denominator = denominator * (i + 1) % mod

    return numerator * inverse_mod(denominator, mod) % mod


def create_inverses_list(n, mod):
    """ Create list of inverses of the integers 0 to n modulo mod.
    """
    
    inv_list = [1] * (n+1)
    for x in range(n+1):
        inv_list[x] = (-(mod//x) * inv_list[mod % x]) % mod
    
    return inv_list


def main():
    n_blocks, n_colors, n_max_pairs = map(int, input().split())
    mod = 998244353

    inverses = create_inverses_list(n_max_pairs, mod)
    
    e1 = n_colors * pow(n_colors-1, n_blocks-1, mod)
    e2 = 1
    total = e1 * e2 % mod

    for k in range(1, n_max_pairs+1):
        e1 = e1 * inverses[n_colors - 1] % mod
        e2 = e2 * (n_blocks - k) % mod * inverses[k] % mod
        total += e1 * e2 % mod
        total %= mod

    print(total)


if __name__ == "__main__":
    main()


### FIXED CODE ###

def inverse_mod(a, mod=10**9+7):
    """ Calculate inverse of the integer a modulo mod.
    """
    return pow(a, mod-2, mod)


def combination_mod(n, r, mod=10**9+7):
    """ Calculate nCr modulo mod.
    """

    r = min(r, n-r)
    numerator = denominator = 1
    for i in range(r):
        numerator = numerator * (n - i) % mod
        denominator = denominator * (i + 1) % mod

    return numerator * inverse_mod(denominator, mod) % mod


def create_inverses_table(n, mod=10**9+7):
    """ Create table for inverses of the integers 0 to n modulo mod.
    """

    inv_table = [0] + [1] * n
    for x in range(2, n+1):
        inv_table[x] = -(mod//x) * inv_table[mod % x] % mod

    return inv_table


def solve():
    n_blocks, n_colors, n_max_pairs = map(int, input().split())

    if n_colors == 1:
        return int(n_blocks - n_max_pairs == 1)

    mod = 998244353

    inverses = create_inverses_table(max(n_colors, n_max_pairs), mod)

    e1 = n_colors * pow(n_colors-1, n_blocks-1, mod) % mod
    e2 = 1
    total = e1 * e2

    for k in range(1, n_max_pairs+1):
        e1 = e1 * inverses[n_colors - 1] % mod
        e2 = e2 * (n_blocks - k) * inverses[k] % mod
        total += e1 * e2
        total %= mod

    return total


def main():
    print(solve())


if __name__ == "__main__":
    main()
N = int(input())
A = list(map(int,input().split()))
xorValue = 0
sumValue = A[0] + A[1]
for i in range(2,N):
    xorValue ^= A[i]
if sumValue % 2 != xorValue % 2:
    print(-1)
else:
    Base = (sumValue - xorValue) // 2
    if Base > A[0]:
        print(-1)
    else:
        strXOR = bin(xorValue)[2:]
        minStoneMovement = A[0] - Base
        strBase = bin(Base)[2:]
        lenStrXOR = len(strXOR)
        cannotMove = False
        for i in range(-1,-1 * min(len(strXOR),str(Base)) - 1,-1):
            if Base[i] == '1' and strXOR[i] == '1':
                cannotMove = True
                break
        if not cannotMove:
            for i in range(lenStrXOR):
                if strXOR[i] == '1' and minStoneMovement >= 2 ** (lenStrXOR - 1 - i):
                    minStoneMovement -= 2 ** (lenStrXOR - 1 - i)
        if minStoneMovement == A[0] or cannotMove:
            print(-1)
        else:
            print(minStoneMovement)

### FIXED CODE ###

N = int(input())
A = list(map(int,input().split()))
xorValue = 0
sumValue = A[0] + A[1]
for i in range(2,N):
    xorValue ^= A[i]
if sumValue % 2 != xorValue % 2:
    print(-1)
else:
    Base = (sumValue - xorValue) // 2
    if Base > A[0]:
        print(-1)
    else:
        strXOR = bin(xorValue)[2:]
        minStoneMovement = A[0] - Base
        strBase = bin(Base)[2:]
        lenStrXOR = len(strXOR)
        cannotMove = False
        if Base < 0:
            cannotMove = True
        for i in range(-1,-1 * min(len(strXOR),len(strBase)) - 1,-1):
            if strBase[i] == '1' and strXOR[i] == '1':
                cannotMove = True
                break
        if not cannotMove:
            for i in range(lenStrXOR):
                if strXOR[i] == '1' and minStoneMovement >= 2 ** (lenStrXOR - 1 - i):
                    minStoneMovement -= 2 ** (lenStrXOR - 1 - i)
        if minStoneMovement == A[0] or cannotMove:
            print(-1)
        else:
            print(minStoneMovement)
import sys
n, m = map(int, input().split())

ans = 0
li = [list(map(int, input().split())) for i in range(m)] 

for i in range(m):
    for j in range(m):
        if (li[i][0] == li[j][0]) and (li[i][1] != li[j][1]):
            print(-1)
            sys.exit()

for i in range(m):
    if (li[i][1] == 0) and (n != 1):
        print(-1)
        sys.exit()
        
if n == 1:
    ans = li[i][1]
    print(ans)

elif n == 2:
    for i in range(m):
        if (li[i][0] == 1):
            ans -= (ans//10)*10
            ans += li[i][1]*10
        else:
            ans -= (ans%10)
            ans += li[i][1]
        
        if ans < 10:
            ans += 10
            
    print(ans)

else:
    for i in range(m):
        if (li[i][0] == 1):
            ans -= (ans//100)*100
            ans += li[i][1]*100
        elif (li[i][0] == 2):
            ans -= ((ans-(ans//100)*100)//10)*10
            ans += li[i][1]*10
        else:
            ans -= (ans%10)
            ans += li[i][1]
            
        if ans < 99:
            ans += 100
            
    print(ans)


### FIXED CODE ###

import sys
N, M = map(int, input().split())
li = [-1] * N
for i in range(M):
    s, c = map(int, input().split())
    if li[s-1] == -1 or li[s-1] == c:
        li[s-1] = c
    else:
        print(-1)
        sys.exit()
if N == 1:
    if li[0] == -1:
        ans = 0
    else:
        ans = li[0]
elif N == 2:
    if li[0] == 0:
        print(-1)
        sys.exit()
    else:
        if li[0] == -1:
            li[0] = 1
        if li[1] == -1:
            li[1] = 0
        ans = li[0]*10 + li[1]
else:
    if li[0] == 0:
        print(-1)
        sys.exit()
    else:
        if li[0] == -1:
            li[0] = 1
        if li[1] == -1:
            li[1] = 0
        if li[2] == -1:
            li[2] = 0
        ans = li[0]*100 + li[1]*10 + li[2]
print(ans)
n, x = map(int, input().split())
l = int(input().split())

count = 0
sum = 0

while sum <= x:
  sum += l[count]
  count++
print(count + 1)

### FIXED CODE ###

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

count = 0
sum = 0

for i in range(len(l)):
  sum += l[i]
  if sum <= x:
    count+=1
print(count + 1)
K = int(input())
S = input()
Sl = len(S)
if Sl <= K:
  ans = S
else:
  newS = S[0 : Sl - 1].append("...")
  ans = newS
print(ans)
  

### FIXED CODE ###

K = int(input())
S = input()
Sl = len(S)
if Sl <= K:
  ans = S
else:
  newS = S[0 : K]
  ans = (newS + "...")
print(ans)
X,Y = map(int, input().split())

3rd = 100000
2rd = 200000
1rd = 300000

if X == 3 and 3 < Y:
    print(3rd)
elif X == 2 and 3 < Y:
    print(2rd)
elif X == 1 and 3 < Y:
    print(1rd)
elif Y == 3 and 3 < X:
    print(3rd)
elif Y == 2 and 3 < X:
    print(2rd)  
elif Y == 1 and 3 < X:
    print(1rd)
elif X == 3 and Y == 3:
    print((3rd)+(3rd))
elif X == 3 and Y == 2:
    print((3rd) +(2rd))
elif X == 3 and Y == 1:
    print((3rd)+(1rd))
elif X == 2 and Y == 3:
    print((2rd)+(3rd))
elif X == 2 and Y == 2:
    print((2rd)+(2rd))
elif X == 2 and Y == 1:
    print((2rd)+(1rd))
elif X == 1 and Y == 3:
    print((1rd)+(3rd))
elif X == 1 and Y == 2:
    print((1rd) + (2rd))
elif X == 1 and Y == 1:
    print((1rd)+(1rd) + 400000)
else:
    print(0)

### FIXED CODE ###

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

trd = 100000
srd = 200000
onrd = 300000

if X == 3 and 3 < Y:
    print(trd)
elif X == 2 and 3 < Y:
    print(srd)
elif X == 1 and 3 < Y:
    print(onrd)
elif Y == 3 and 3 < X:
    print(trd)
elif Y == 2 and 3 < X:
    print(srd)  
elif Y == 1 and 3 < X:
    print(onrd)
elif X == 3 and Y == 3:
    print((trd)+(trd))
elif X == 3 and Y == 2:
    print((trd) +(srd))
elif X == 3 and Y == 1:
    print((trd)+(onrd))
elif X == 2 and Y == 3:
    print((srd)+(trd))
elif X == 2 and Y == 2:
    print((srd)+(srd))
elif X == 2 and Y == 1:
    print((srd)+(onrd))
elif X == 1 and Y == 3:
    print((onrd)+(trd))
elif X == 1 and Y == 2:
    print((onrd) + (srd))
elif X == 1 and Y == 1:
    print((onrd)+(onrd) + 400000)
else:
    print(0)
n, m = map(int, input().split())

def fib(n):
    r5 = 5**0.5
    f = 1/r5*((0.5+r5/2)**n-(0.5-r5/2)**n)
    return int(f)

a = []
for i in range(m):
    a.append(int(input()))
ans = fib(a[0])
for i in range(m-1):
    ans *= fib(a[i+1]-a[i]-1)
ans *= fib(n-a[-1])
print(ans%1000000007)


### FIXED CODE ###

import sys
n, m = map(int, input().split())
a=set(int(input()) for i in range(m))
ans = [0 for _ in range(n)]

for i in range(n):
    if i+1 in a:
        ans[i] = 0
    else:
        if i == 0:
            ans[i] = 1
        elif i == 1:
            ans[i] = 1+ans[i-1]
        else:
            ans[i] = (ans[i-1]+ans[i-2])%(10**9+7)
print(ans[-1])
def show(nums):
    for i in range(len(nums)):
        if i !=len(nums)-1:
            print(nums[i],end='')
        else:
            print(nums[i])

n=int(input())
nums=list(map(int,input().split()))
show(nums)
for i in range(1,n):
    v=nums[i]
    j=i-1
    while (j>=0 and nus[j]>v):
        nums[j+1]=nums[j]
        j--
    nums[j+1] = v
    shows(nums)



### FIXED CODE ###

def show(nums):
    for i in range(len(nums)):
        if i !=len(nums)-1:
            print(nums[i],end=' ')
        else:
            print(nums[i])

n=int(input())
nums=list(map(int,input().split()))
show(nums)
for i in range(1,n):
    v=nums[i]
    j=i-1
    while (j>=0 and nums[j]>v):
        nums[j+1]=nums[j]
        j -= 1
    nums[j+1] = v
    show(nums)
A, B = map(int, input().split())
 
if A % B == 0：
    print(A+B)
else:
    print(B-A)
    

### FIXED CODE ###

A, B = map(int, input().split())
 
if B % A == 0:
    print(A + B)
else:
    print(B - A)
N = int(input())
S, T = input().split()
print("".join(map(lambda s,t:f"{s}{t}", S, T)))

### FIXED CODE ###

N = int(input())
S, T = input().split()
print("".join(map(lambda s,t:s+t, S, T)))