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

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

    long long N,a,b,c; cin >> N >> a >> b >> c;
    a++,b++,c++;
    vector<long long> V;
    if(__popcount((unsigned long long)a) == 1) V.push_back(a); 
    if(__popcount((unsigned long long)b) == 1) V.push_back(b);
    if(__popcount((unsigned long long)c) == 1) V.push_back(c); 
    sort(V.begin(),V.end());

    if(V.size() == 0) cout << N << endl;
    else if(V.size() == 1){
        long long answer = N-N/V.at(0);
        if(N%V.at(0) >= V.at(0)/2) answer--;
        cout << answer << endl;
    }
    else if(V.at(0) != 2){
        long long answer = N-N/V.at(0)-N/V.at(1);
        if(N%V.at(0) >= V.at(0)/2) answer--;
        if(N%V.at(1) >= V.at(1)/2) answer--;
        cout << answer << endl;
    }
    else{
        assert(false);
    }
}