#include "bits/stdc++.h"
using namespace std;
#define intt long long
#define fi first
#define se second
const intt mxN = 1e5+1;
const intt LG = 20;
const intt inf = 1e18;
intt n, k;
double sum, tsum;
vector<double> a(mxN);
void _() {
cin >> n;
a.resize(n);
for(intt i = 0; i < n; i++) {
cin >> a[i]; tsum += a[i];
}
sort(a.begin(), a.end());
reverse(a.begin(), a.end());
vector<double> p, s;
double l =0;
for(intt i = 0; i < n; i++) {
sum += a[i];
p.push_back((i+1)*100/n);
s.push_back(sum*100/tsum);
l = max(l, s.back() - p.back());
}
for(intt i = 0; i < n; i++) {
if(l == s[i] - p[i]) {
cout.precision(12);
cout << fixed << p[i] << endl << s[i] << endl;
return;
}
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
// freopen("checklist.in", "r", stdin);
// freopen("checklist.out", "w", stdout);
intt t = 1, buu = 1;
// cin >> t;
while(t--){
// cout << "Case #" << buu++ << ": ";
_();
}
}
