Buggy python submission (verdict: Time Limit Exceeded):
nm=list(map(int,input().split()))
n=nm[0]
m=nm[1]

inp=[]
if m==0:
    inp=[n+1]
    dis=[n+1]
else:
    for inpset in range(m):
        inp.append(int(input()))
    

    dis=[max(inp[0],1)]
    p=0
    for i in inp[:-1]:
        dis.append(inp[p+1]-inp[p]-1)
        p+=1
    dis.append(max(n-inp[-1],1))
    #print (dis)

import math

def kaijo(x):
    ans=(math(100000)%1000000007)
    return ans

def combinations_count(n, r):
    return (math.factorial(n) // (math.factorial(n - r) * math.factorial(r)))%1000000007

def counting(x):
    if x==1:
        return 1
    else:
        
        res=0
        for a in range(x-1):
            if x-1-a>=a:
                res+=combinations_count(x-1-a,a)
                # print(x-1-a,a)
            else:
                break
        res=res%1000000007
        return res

if 0 in dis:
    print(0)
else:
    ans=1
    dis.sort()
    for d in dis:
        ans*=counting(d)
        ans=ans%1000000007
    print(ans)


Fixed submission:
nm=list(map(int,input().split()))
n=nm[0]
m=nm[1]

inp=[]
if m==0:
    inp=[n+1]
    dis=[n+1]
else:
    for inpset in range(m):
        inp.append(int(input()))
    

    dis=[max(inp[0],1)]
    p=0
    for i in inp[:-1]:
        dis.append(inp[p+1]-inp[p]-1)
        p+=1
    dis.append(max(n-inp[-1],1))
    #print (dis)

def fib(x):
    a=0
    b=1
    for step in range(x):
        c=a+b
        a=b
        b=c
    return a


def counting(x):
    if x==1:
        return 1
    else:
        
        res=0
        for a in range(x-1):
            if x-1-a>=a:
                res+=combinations_count(x-1-a,a)
                # print(x-1-a,a)
            else:
                break
        res=res%1000000007
        return res

if 0 in dis:
    print(0)
else:
    ans=1
    dis.sort()
    for d in dis:
        ans*=fib(d)%1000000007
        ans=ans%1000000007
    print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
nm=list(map(int,input().split()))
n=nm[0]
m=nm[1]

inp=[]
if m==0:
    inp=[n+1]
    dis=[n+1]
else:
    for inpset in range(m):
        inp.append(int(input()))
    

    dis=[max(inp[0],1)]
    p=0
    for i in inp[:-1]:
        dis.append(inp[p+1]-inp[p]-1)
        p+=1
    dis.append(max(n-inp[-1],1))
    #print (dis)

import math

def kaijo(x):
    ans=(math(100000)%1000000007)
    return ans

def combinations_count(n, r):
    return (math.factorial(n) // (math.factorial(n - r) * math.factorial(r)))%1000000007

def counting(x):
    if x==1:
        return 1
    else:
        
        res=0
        for a in range(x-1):
            if x-1-a>=a:
                res+=combinations_count(x-1-a,a)
                # print(x-1-a,a)
                res=res%1000000007
            else:
                break
        return res

if 0 in dis:
    print(0)
else:
    ans=1
    dis.sort()
    for d in dis:
        ans*=counting(d)
        ans=ans%1000000007
    print(ans)



Fixed submission:
nm=list(map(int,input().split()))
n=nm[0]
m=nm[1]

inp=[]
if m==0:
    inp=[n+1]
    dis=[n+1]
else:
    for inpset in range(m):
        inp.append(int(input()))
    

    dis=[max(inp[0],1)]
    p=0
    for i in inp[:-1]:
        dis.append(inp[p+1]-inp[p]-1)
        p+=1
    dis.append(max(n-inp[-1],1))
    #print (dis)

def fib(x):
    a=0
    b=1
    for step in range(x):
        c=a+b
        a=b
        b=c
    return a


def counting(x):
    if x==1:
        return 1
    else:
        
        res=0
        for a in range(x-1):
            if x-1-a>=a:
                res+=combinations_count(x-1-a,a)
                # print(x-1-a,a)
            else:
                break
        res=res%1000000007
        return res

if 0 in dis:
    print(0)
else:
    ans=1
    dis.sort()
    for d in dis:
        ans*=fib(d)%1000000007
        ans=ans%1000000007
    print(ans)

Buggy python submission (verdict: Runtime Error):
nm=list(map(int,input().split()))
n=nm[0]
m=nm[1]

inp=[]
for inpset in range(m):
    inp.append(int(input()))
    

dis=[max(inp[0],1)]
p=0
for i in inp[:-1]:
    dis.append(inp[p+1]-inp[p]-1)
    p+=1
dis.append(max(n-inp[-1],1))
#print (dis)

import math

def kaijo(x):
    ans=(math(100000)%1000000007)
    return ans

def combinations_count(n, r):
    return (math.factorial(n) // (math.factorial(n - r) * math.factorial(r)))%1000000007

def counting(x):
    if x==1:
        return 1
    else:
        
        res=0
        for a in range(x-1):
            if x-1-a>=a:
                res+=combinations_count(x-1-a,a)
                # print(x-1-a,a)
                res=res%1000000007
            else:
                break
        return res

if 0 in dis:
    print(0)
else:
    ans=1
    dis.sort()
    for d in dis:
        ans*=counting(d)
        ans=ans%1000000007
    print(ans)

Fixed submission:
nm=list(map(int,input().split()))
n=nm[0]
m=nm[1]

inp=[]
if m==0:
    inp=[n+1]
    dis=[n+1]
else:
    for inpset in range(m):
        inp.append(int(input()))
    

    dis=[max(inp[0],1)]
    p=0
    for i in inp[:-1]:
        dis.append(inp[p+1]-inp[p]-1)
        p+=1
    dis.append(max(n-inp[-1],1))
    #print (dis)

def fib(x):
    a=0
    b=1
    for step in range(x):
        c=a+b
        a=b
        b=c
    return a


def counting(x):
    if x==1:
        return 1
    else:
        
        res=0
        for a in range(x-1):
            if x-1-a>=a:
                res+=combinations_count(x-1-a,a)
                # print(x-1-a,a)
            else:
                break
        res=res%1000000007
        return res

if 0 in dis:
    print(0)
else:
    ans=1
    dis.sort()
    for d in dis:
        ans*=fib(d)%1000000007
        ans=ans%1000000007
    print(ans)