Buggy python submission (verdict: Runtime Error):
from math import factorial
from operator import mul
from functools import reduce

N, M = map(int, input().split())
A = [int(x) for x in input().split()]

dp = [-10**5]*(N+1)
dp[0] = 0
t = [0,2,5,5,4,5,6,3,7,6]

for i in range(2,N+1):
    for x in A:
        if i-t[x] >= 0:
            dp[i] = max(dp[i],dp[i-t[x]] + 1)

A.sort(reverse=True)
cur = ""
idx = N
while idx >0:
    for x in A:
        if idx - t[x] >= 0 and dp[idx] == dp[idx-t[x]] + 1:
            cur += str(x)
            idx -= t[x]
            break
print(cur)



Fixed submission:
from math import factorial
from operator import mul
from functools import reduce

def comb2(n,r):
    r = min(n - r, r)
    if r == 0: return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1, r + 1))
    return over // under

def pff(m):
    pf = {}
    for i in range(2, int(m ** 0.5) + 1):
        while m % i == 0:
            pf[i] = pf.get(i, 0) + 1
            m //= i
    if m > 1: pf[m] = 1
    return pf

N, M = map(int, input().split())
L = pff(M)


anst = int(1)
for i in L.values():
    anst *= comb2(i+N-1, i)
    anst = anst%1000000007

ans = anst
print(ans)

Buggy python submission (verdict: Runtime Error):
def comb2(n,r):
    r = min(n - r, r)
    if r == 0: return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1, r + 1))
    return over // under

def pff(m):
    pf = {}
    for i in range(2, int(m ** 0.5) + 1):
        while m % i == 0:
            pf[i] = pf.get(i, 0) + 1
            m //= i
    if m > 1: pf[m] = 1
    return pf

N, M = map(int, input().split())
L = pff(M)


anst = int(1)
for i in L.values():
    anst *= comb2(i+N-1, i)
    anst = anst%1000000007

ans = anst
print(ans)

Fixed submission:
from math import factorial
from operator import mul
from functools import reduce

def comb2(n,r):
    r = min(n - r, r)
    if r == 0: return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1, r + 1))
    return over // under

def pff(m):
    pf = {}
    for i in range(2, int(m ** 0.5) + 1):
        while m % i == 0:
            pf[i] = pf.get(i, 0) + 1
            m //= i
    if m > 1: pf[m] = 1
    return pf

N, M = map(int, input().split())
L = pff(M)


anst = int(1)
for i in L.values():
    anst *= comb2(i+N-1, i)
    anst = anst%1000000007

ans = anst
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from math import factorial

def pff(m):
    pf = {}
    for i in range(2, int(m ** 0.5) + 1):
        while m % i == 0:
            pf[i] = pf.get(i, 0) + 1
            m //= i
    if m > 1: pf[m] = 1
    return pf



def comb(n, r):
    return factorial(n) // (factorial(n - r) * factorial(r))


N, M = map(int, input().split())
L = pff(M)

anst = int(1)
for i in L.values():
    anst *= comb(i+N-1, i)
    anst = anst%1000000007

ans = anst
print(ans)

Fixed submission:
from math import factorial
from operator import mul
from functools import reduce

def comb2(n,r):
    r = min(n - r, r)
    if r == 0: return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1, r + 1))
    return over // under

def pff(m):
    pf = {}
    for i in range(2, int(m ** 0.5) + 1):
        while m % i == 0:
            pf[i] = pf.get(i, 0) + 1
            m //= i
    if m > 1: pf[m] = 1
    return pf

N, M = map(int, input().split())
L = pff(M)


anst = int(1)
for i in L.values():
    anst *= comb2(i+N-1, i)
    anst = anst%1000000007

ans = anst
print(ans)