#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(a) (a).begin(), (a).end()
#define ff first
#define ss second
template<typename T>
int len(T &a){return a.size();}
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
vector<ll> cnt;
ll x;
map<pair<int,ll>,ll> mp;
ll count(int i, ll j){
if(i == 63){
return j >= 0;
}
if(mp.count({i, j})) return mp[{i, j}];
j += cnt[i];
ll res = 0;
if(j >= x){
res += count(i + 1, (j - x) / 2);
}
res += count(i + 1, j / 2);
return res;
}
long long count_tastiness(long long X, vector<long long> A) {
cnt = A;
x = X;
while(len(cnt) < 63){
cnt.push_back(0);
}
return count(0, 0);
}
