Buggy python submission (verdict: Runtime Error):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*(n+1)
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Buggy python submission (verdict: Runtime Error):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*(n+1)
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    if m == 0:
        print(dp[n]%d)

    else:
        ans = []
        pre = 0
        for i in range(len(a)):
            if i == 0:
                ans.append(a[i]-pre)
            else:
                ans.append(a[i]-pre-1)
            pre = a[i]

        #print(ans)
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Buggy python submission (verdict: Runtime Error):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*(n+1)
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        #dp[i]=dp[i]%d

    if m == 0:
        print(dp[n]%d)

    else:
        ans = []
        pre = 0
        for i in range(len(a)):
            if i == 0:
                ans.append(a[i]-pre)
            else:
                ans.append(a[i]-pre-1)
            pre = a[i]

        #print(ans)
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Buggy python submission (verdict: Runtime Error):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

elif m == 0:
    dp = [0] * (n + 1)
    dp[1] = 1
    dp[2] = 1
    for i in range(3, len(dp)):
        dp[i] = dp[i - 1] + dp[i - 2]
    print(dp[n]%d)


else:
    dp = [0]*(n+1)
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        #dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)
    x = 1
    for i in ans:
        x = x*dp[i]%d
    print(x)

Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Buggy python submission (verdict: Runtime Error):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*100001
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        #dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)
    x = 1
    for i in ans:
        x = x*dp[i]%d
    print(x)


Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Buggy python submission (verdict: Runtime Error):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*(n+1)
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        #dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)
    x = 1
    for i in ans:
        x = x*dp[i]%d
    print(x)

Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*1000001
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        #dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)
    x = 1
    for i in ans:
        x = x*dp[i]%d
    print(x)

Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)

Buggy python submission (verdict: Runtime Error):
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*100000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        #dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)
    x = 1
    for i in ans:
        x = x*dp[i]%d
    print(x)

Fixed submission:
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)