Buggy python submission (verdict: Runtime Error):
import numpy as np
import itertools
from scipy.special import comb

n,p =input().split()
n = int(n)
p = int(p)

a_list = input().split()
a_list = [int(x) for x in a_list]
a_array = np.array(a_list)

amari = a_array % 2

zero_count = np.sum(amari == 0)
one_count = np.sum(amari == 1)

zero_pattern = 2**zero_count

if p == 0:
    if one_count >= 2:
        i = 1
        one_pattern = 1
        while i*2 <= one_count:
            one_pattern += comb(one_count,i*2)
            i += 1
    else:
        one_pattern = 1
else:
    if one_count >= 1:
        i = 1
        one_pattern = 0
        while i*2 - 1 <= one_count:
            one_pattern += comb(one_count,i*2-1)
            i += 1
    if one_count < 1:
        one_pattern = 0
        
print(int(zero_pattern * one_pattern))

Fixed submission:
import numpy as np

n,p =input().split()
n = int(n)
p = int(p)

a_list = input().split()
a_list = [int(x) for x in a_list]
a_array = np.array(a_list)

amari = a_array % 2

zero_count = np.sum(amari == 0)
one_count = np.sum(amari == 1)

zero_pattern = 2**zero_count
if p == 0:
    if one_count >= 2:
        one_pattern = 2**one_count/2
    else:
        one_pattern = 1
else:
    if one_count >= 1:
        one_pattern = 2**one_count/2
    if one_count < 1:
        one_pattern = 0
        
print(int(zero_pattern * one_pattern))

Buggy python submission (verdict: Runtime Error):
import numpy as np
import itertools
from scipy.special import comb

n,p =input().split()
n = int(n)
p = int(p)

a_list = input().split()
a_list = [int(x) for x in a_list]
a_array = np.array(a_list)

amari = a_array % 2

zero_count = np.sum(amari == 0)
one_count = np.sum(amari == 1)

zero_pattern = 2**zero_count

if p == 0:
    if one_count >= 2:
        i = 1
        one_pattern = 1
        while i*2 <= one_count:
#             one_pattern  += len(list(itertools.combinations(np.arange(one_count),i*2)))
            one_pattern += comb(one_count,i*2)
            i += 1
    else:
        one_pattern = 1
else:
    if one_count >= 1:
        i = 1
        one_pattern = 0
        while i*2 - 1 <= one_count:
#             one_pattern  += len(list(itertools.combinations(np.arange(one_count),i*2-1)))
            one_pattern += comb(one_count,i*2-1)
            i += 1
    if one_count < 1:
        one_pattern = 0
        
print(int(zero_pattern * one_pattern))

Fixed submission:
import numpy as np

n,p =input().split()
n = int(n)
p = int(p)

a_list = input().split()
a_list = [int(x) for x in a_list]
a_array = np.array(a_list)

amari = a_array % 2

zero_count = np.sum(amari == 0)
one_count = np.sum(amari == 1)

zero_pattern = 2**zero_count
if p == 0:
    if one_count >= 2:
        one_pattern = 2**one_count/2
    else:
        one_pattern = 1
else:
    if one_count >= 1:
        one_pattern = 2**one_count/2
    if one_count < 1:
        one_pattern = 0
        
print(int(zero_pattern * one_pattern))

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
import itertools

n,p =input().split()
n = int(n)
p = int(p)

a_list = input().split()
a_list = [int(x) for x in a_list]
a_array = np.array(a_list)

amari = a_array % 2

zero_count = np.sum(amari == 0)
one_count = np.sum(amari == 1)

zero_pattern = 2**zero_count

if p == 0:
    if one_count >= 2:
        i = 1
        one_pattern = 1
        while i*2 <= one_count:
            one_pattern  += len(list(itertools.combinations(np.arange(one_count),i*2)))
            i += 1
    else:
        one_pattern = 1
else:
    if one_count >= 1:
        i = 1
        one_pattern = 0
        while i*2 - 1 <= one_count:
            one_pattern  += len(list(itertools.combinations(np.arange(one_count),i*2-1)))
            i += 1
    if one_count < 1:
        one_pattern = 0
        
print(zero_pattern * one_pattern)

Fixed submission:
import numpy as np

n,p =input().split()
n = int(n)
p = int(p)

a_list = input().split()
a_list = [int(x) for x in a_list]
a_array = np.array(a_list)

amari = a_array % 2

zero_count = np.sum(amari == 0)
one_count = np.sum(amari == 1)

zero_pattern = 2**zero_count
if p == 0:
    if one_count >= 2:
        one_pattern = 2**one_count/2
    else:
        one_pattern = 1
else:
    if one_count >= 1:
        one_pattern = 2**one_count/2
    if one_count < 1:
        one_pattern = 0
        
print(int(zero_pattern * one_pattern))