#include <bits/stdc++.h>
#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <string>
#include <sstream>
#include <cmath>
#include <stack>
#include <queue>
#include <cctype>
#include <stdio.h>
#include <map>
#include <string.h>
#include <utility>

typedef long long ll;
using namespace std;

typedef pair<int, int> P;

double rate[101];

int main() {

	double n = 0;
	cin >> n;

	for (int i = 0; i < n; i++) {
		double tmp = 0;
		cin >> tmp;

		rate[i] = tmp;
	}


	bool judge=true;
	for (double i = n; i <= 100; i++) {
		judge  =true;
		for (int j = 0; j < n; j++) {
			double tmp =rate[j] * i/100;

			if (ceil(tmp) != floor(tmp)) {
				judge =false;
/*
				cout<<"i"<<i<<" "<<tmp<<endl;
				cout<<ceil(tmp)<<" "<<floor(tmp)<<endl;*/
				break;

			}
		}

		if(judge){
		cout<<i<<endl;
		break;
		}
	}


	return 0;
}