from bisect import *

def dfs1(s, dep):
    if dep==n//2:
        l1.append(s)
        return
    
    for k in range(1, 31):
        dfs1(s+pow(a[dep], k), dep+1)

def dfs2(s, dep):
    if dep==n:
        l2.append(s)
        return
    
    for k in range(1, 31):
        dfs2(s+pow(a[dep], k), dep+1)

n, S = map(int, input().split())
a = list(map(int, input().split()))
l1, l2 = [], []
dfs1(0, 0)
dfs2(0, n//2)
l2.sort()
ans = 0

for v in l1:
    ans += bisect_right(l2, S-v)

print(ans)