#include <bits/stdc++.h>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<long double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-11;
const ll mod=1e9+7;
const int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1};

int n;
vi a(3),b;

int main(){
	cin>>a[0]>>a[1]>>a[2]>>n;
	sort(a.rbegin(),a.rend());
	b=vi(n);
	for(int i=0;i<n;i++) cin>>b[i];
	sort(b.rbegin(),b.rend());
	ll res=0;
	for(int i=0;i<n;i++) for(int j=i+1;j<n;j++) for(int k=j+1;k<n;k++) if(b[i]>=a[0]&&b[j]>=a[1]&&b[k]>=a[2]) res+=1<<(n-k-1);
	cout<<res<<endl;
}