Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in n]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])


Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in n]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==True:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])


Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
for i in range(1,n+1):
  if i in a:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])


Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
a=[]
mod=10**9+7
for i in range(m):
  b=int(input())
  a.append(b)
block=[0,1]
for i in range(1,n+1):
  if i in a:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])


Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
a=[]
mod=10**9+7
for i in range(m):
  b=int(input())
  a.append(b)
block=[0,1]
for i in range(1,n+1):
  if i in a:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
a=[]

for i in range(m):
  b=int(input())
  a.append(b)
    
def count(x):
    if x==-1:
        return 0
    elif x==0:
        return 1
    elif x in a:
        return 0
    else:
        return (count(x-2)+count(x-1))%1000000007
    
print(count(n))


Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
a=[]

for i in range(m):
  b=int(input())
  a.append(b)
    
def count(x):
    if x==-1:
        return 0
    elif x==0:
        return 1
    elif x in a:
        return 0
    else:
        return (count(x-2)+count(x-1))%1000000007
    
print(count(n))

Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
a=[]
for i in range(m):
  b=int(input())
  a.append(b)

def count(x):
    if x==-1:
        return 0
    elif x==0:
        return 1
    elif x in a:
        return 0
    else:
        return count(x-2)+count(x-1)
    
print(count(n)%1000000007)

Fixed submission:
n,m=map(int,input().split())
mod=10**9+7
a = [int(input()) for i in range(m)]
block=[0,1]
x=[True for i in range(n)]
for j in a:
  x[j-1]=False

for i in range(1,n+1):
  if x[i-1]==False:
    block=block[1:]+[0]
  else:
    block=block[1:]+[sum(block)%mod]
print(block[-1])