#include<iostream>
using namespace std;
int main(){
	int n,q,w,e,r,t,y,qi,qia,qian;
	cin>>n;
	cin>>q>>w>>e>>r>>t>>y;
	qi=n/q*w;
	qia=n/e*r;
	qian=n/t*y;
	if(qi<qian&&qi<qia){
		cout<<qi;
	}
	if(qia<qi&&qia<qian){
		cout<<qia;
	}
	if(qian<qi&&qian<qia){
		cout<<qian;
	}
  	return 0;
}