Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
q=[int(input()) for i in range(m)]
mod=10**9+7

for i in range(1,n+1):
  if i==1:
    if i not in q:
      a=1
      b=1
    else:
      a=1
      b=0
  else:
    if i in q:
      a,b=b,0
    else:
      a,b=b,(a+b)%mod
print(b)

Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
q=[int(input()) for i in range(m)]
mod=10**9+7

for i in range(1,n+1):
  if i==1:
    if i not in q:
      a=1
      b=1
    else:
      a=1
      b=0
  else:
    if i in q:
      a,b=b,0
    else:
      a,b=b,(a+b)%mod
print(b)

Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
mod = 10 ** 9 + 7
li=[int(input()) for i in range(m)] # 壊れてる段

for i in range(n+1):
  # i-2までがa, i-1までがb
  if i == 0:
    a=1
  elif i == 1:
    if 1 in li:
      a,b=1,0
    else:
      a,b=1,1
  else:
    if i-2 in li and i-1 in li:
      print(0)
      exit()
    elif i-2 in li and i-1 not in li:
      a,b = b,b
    elif i-2 not in li and i-1 in li:
      a,b = 0,a
    else:
      a,b = b,(a+b) % mod
print(b)

Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Runtime Error):
from math import factorial
from operator import mul
from functools import reduce
from math import sqrt

def c(n,r):
  r = min(n-r,r)
  if r == 0 or r == n:
    return 1
  else:
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under
def num(k): # k段昇る場合の数
  return int((((1+sqrt(5))/2) ** k - ((1-sqrt(5))/2) ** k) / sqrt(5))
  """
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r
  """

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)


Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Runtime Error):
from math import factorial
from operator import mul
from functools import reduce
from math import numpy

def c(n,r):
  r = min(n-r,r)
  if r == 0 or r == n:
    return 1
  else:
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under
def num(k): # k段昇る場合の数
  return int((((1+sqrt(5))/2) ** k - ((1-sqrt(5))/2) ** k) / sqrt(5))
  """
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r
  """

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)


Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Runtime Error):
from math import factorial
from operator import mul
from functools import reduce
from math import sqrt

def c(n,r):
  r = min(n-r,r)
  if r == 0 or r == n:
    return 1
  else:
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under
def num(k): # k段昇る場合の数
  return int((((1+sqrt(5))/2) ** k - ((1+sqrt(5))/2) ** k) / sqrt(5))
  """
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r
  """

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)


Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Runtime Error):
from math import factorial
from operator import mul
from functools import reduce
from math import numpy

def c(n,r):
  r = min(n-r,r)
  if r == 0 or r == n:
    return 1
  else:
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under
def num(k): # k段昇る場合の数
  return int((((1+sqrt(5))/2) ** k - ((1+sqrt(5))/2) ** k) / sqrt(5))
  """
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r
  """

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)


Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Runtime Error):
from math import factorial
from operator import mul
from functools import reduce

def c(n,r):
  r = min(n-r,r)
  if r == 0 or r == n:
    return 1
  else:
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under
def num(k): # k段昇る場合の数
  return int((((1+sqrt(5))/2) ** k - ((1+sqrt(5))/2) ** k) / sqrt(5))
  """
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r
  """

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)


Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Time Limit Exceeded):
from math import factorial
from operator import mul
from functools import reduce

def c(n,r):
  r = min(n-r,r)
  if r == 0 or r == n:
    return 1
  else:
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under
def num(k): # k段昇る場合の数
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)


Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Runtime Error):
from math import factorial
from operator import mul
from functools import reduce

def c(n,r):
  r = min(n-r,r)
    if r == 0: return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1,r + 1))
    return over // under
def num(k): # k段昇る場合の数
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)

Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Time Limit Exceeded):
from math import factorial
def c(n,k):
  a = factorial(n) // factorial(k) // factorial(n - k)
  return a
def num(k): # k段昇る場合の数
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)


Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)

Buggy python submission (verdict: Time Limit Exceeded):
from math import factorial
def c(n,k):
  a = factorial(n) // factorial(k) // factorial(n - k)
  return a
def num(k): # k段昇る場合の数
  l,r = k // 2, 0
  for i in range(l+1):
    r += c(k-i,i)
    r %= mod
  return r

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

if m == 0:
  print(num(n) % mod)
  exit()

a=[int(input()) for i in range(m)] # 壊れてる段

# ここから先 m > 0
a = [-1] + a + [n+1] # len(a)=m+2
sa = [a[i+1]-a[i]-2 for i in range(len(a)-1)]
ans = 1
#print(sa)
for i in sa:
  ans *= num(i)
  ans %= mod
print(ans)

Fixed submission:
n,m = map(int,input().split())
broken = [int(input()) for i in range(m)]
broken.sort()
broken += [0] * (n-m)
index = 0
mod = 10**9 + 7
for i in range(1,n+1):
  if i==1:
    if i != broken[index]:
      a=1
      b=1
    else:
      a=1
      b=0
      index += 1
  else:
    if i == broken[index]:
      a,b=b,0
      index += 1
    else:
      a,b=b,(a+b)%mod
print(b)