Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
import numpy as np
N, M = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
a_num = np.array(a)
x = a_num // 2
count_even = np.count_nonzero(x % 2 == 0)
if count_even != 0 and count_even != N:
    print(0)
    sys.exit()
c = []
from collections import Counter
if count_even == N:
    for i in x:
        cnt = 0
        while i % 2 == 0:
            cnt += 1
            i //= 2
        c.append(cnt)
    c = Counter(c)
    if len(c.keys()) != 1:
        print(0)
        sys.exit()
    
import fractions
from functools import reduce
def lcm_base(x, y):
    return (x * y) // fractions.gcd(x, y)
def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

minmulti = lcm(* x)
temp = M // minmulti
if temp % 2 == 0:
    print(temp // 2)
else:
    print(1 + temp // 2)



Fixed submission:
import sys
input = sys.stdin.readline
import numpy as np
N, M = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
a_num = np.array(a)
x = a_num // 2
count_even = np.count_nonzero(x % 2 == 0)
if count_even != 0 and count_even != N:
    print(0)
    sys.exit()
c = []
from collections import Counter
if count_even == N:
    for i in x:
        cnt = 0
        cnt = format(i, 'b')[::-1].find('1')
        c.append(cnt)
    c = Counter(c)
    if len(c.keys()) != 1:
        print(0)
        sys.exit()
    
import fractions
from functools import reduce
def lcm_base(x, y):
    return (x * y) // fractions.gcd(x, y)
def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

minmulti = lcm(* x)
temp = M // minmulti
if temp % 2 == 0:
    print(temp // 2)
else:
    print(1 + temp // 2)

Buggy python submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
import numpy as np
N, M = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
a_num = np.array(a)
x = a_num // 2
count_even = np.count_nonzero(x % 2 == 0)
if count_even != 0 and count_even != N:
    print(0)
    sys.exit()
c = []
from collections import Counter
if count_even == N:
    for i in x:
        cnt = 0
        while i % 2 == 0:
            cnt += 1
            i //= 2
        c.append(ans)
    c = Counter(c)
    if len(c.keys()) != 1:
        print(0)
        sys.exit()
    
import fractions
from functools import reduce
def lcm_base(x, y):
    return (x * y) // fractions.gcd(x, y)
def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

minmulti = lcm(* x)
temp = M // minmulti
if temp % 2 == 0:
    print(temp // 2)
else:
    print(1 + temp // 2)



Fixed submission:
import sys
input = sys.stdin.readline
import numpy as np
N, M = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
a_num = np.array(a)
x = a_num // 2
count_even = np.count_nonzero(x % 2 == 0)
if count_even != 0 and count_even != N:
    print(0)
    sys.exit()
c = []
from collections import Counter
if count_even == N:
    for i in x:
        cnt = 0
        cnt = format(i, 'b')[::-1].find('1')
        c.append(cnt)
    c = Counter(c)
    if len(c.keys()) != 1:
        print(0)
        sys.exit()
    
import fractions
from functools import reduce
def lcm_base(x, y):
    return (x * y) // fractions.gcd(x, y)
def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

minmulti = lcm(* x)
temp = M // minmulti
if temp % 2 == 0:
    print(temp // 2)
else:
    print(1 + temp // 2)