#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define repb(i, a, b) for(int i = a; i >= b; i--)
// #define FOR(i, a) for(auto& i : a)
#define all(a) a.begin(), a.end()
#define int long long
using namespace std;

signed main(){
    vector<int> x(3);
    int  n;
    rep(i, 0 ,3) cin >> x[i];
    sort(all(x));
    cin >> n;
    vector<int> a(n);
    rep(i, 0, n) cin >> a[i];
    sort(all(a));

    int ans = 0;
    repb(i, n - 1, 2){
        if(a[i] < x[2]) break;
        repb(j, i - 1, 1){
            if(a[j] < x[1]) break;
            repb(k, j - 1, 0){
                if(a[k] < x[0]) break;
                int tmp = 1;
                rep(l, 0, k) tmp *= 2;
                ans += tmp;
            }
        }
    }
    cout << ans << endl;
}