#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define sp " "
#define endl "\n"
#define pii pair<int, int>
#define st first
#define nd second
#define pb push_back
#define ll long long
#define LL node * 2
#define RR node * 2 + 1
#define N 65
const int modulo = 1e9 + 7;
const ll INF = 2e18 + 7;
ll arr[N], X;
map<ll, ll> dp[N];
ll f(int pos, ll sum){
if (pos >= N) return 1;
if (dp[pos].count(sum)) return dp[pos][sum];
ll curr_sum = sum + arr[pos];
ll t1 = 0, t2 = 0;
if (curr_sum >= X) t1 = f(pos + 1, (curr_sum - X) / 2);
t2 = f(pos + 1, curr_sum / 2);
return dp[pos][sum] = t1 + t2;
}
long long count_tastiness(long long x, vector<long long> a) {
int n = a.size();
X = x;
for (int i = 0; i < N; i++)
arr[i] = 0, dp[i].clear();
for (int i = 0; i < n; i++)
arr[i] = a[i];
ll res = f(0, 0);
return res;
}
/*
int main() {
fileio();
int q;
assert(scanf("%d", &q) == 1);
vector<int> k(q);
vector<long long> x(q);
vector<vector<long long>> a(q);
vector<long long> results(q);
for (int t = 0; t < q; t++) {
assert(scanf("%d%lld", &k[t], &x[t]) == 2);
a[t] = vector<long long>(k[t]);
for (int i = 0; i < k[t]; i++) {
assert(scanf("%lld", &a[t][i]) == 1);
}
}
fclose(stdin);
for (int t = 0; t < q; t++) {
results[t] = count_tastiness(x[t], a[t]);
}
for (int t = 0; t < q; t++) {
printf("%lld\n", results[t]);
}
fclose(stdout);
return 0;
}
*/
