#include<bits/stdc++.h>
using namespace std;
using ll=long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    ll N,A,B,C;
    cin>>N>>A>>B>>C;
    vector<ll> W={A,B,C};
    sort(W.begin(),W.end());
    if(W[0]!=1){
        ll an=N;
        for(int i=0;i<3;i++){
            if(__builtin_popcountll(W[i]+1)==1){
                ll p=(W[i]+1)/2;
                an-=(N+p)/(W[i]+1);
            }
        }
        cout<<an<<"\n";
    }
    else{
        if(W[2]==3){
            cout<<N/4<<"\n";
        }
        else {
            ll an=N/2;
            for(int i=1;i<2;i++){
            if(__builtin_popcountll(W[i]+2)==1){
                    ll p=(W[i]+2)/2;
                    an-=(N+p)/(W[i]+2);
                }
            }
            cout<<an<<"\n";
        }
    }
}