#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define int long long
#define mp make_pair
#define pb push_back
#define pii pair<int, int>
#define ieps (int) 1e5 + 800
#define eps (int) 1e9
#define jmp exit(0)
double pct(int x , int y){
return 1.0*x/y;
}
int32_t main(){
int n ;
cin>>n;
vector<int> v(n);
int s = 0;
for(int i = 0;i<n;i++) cin>>v[i] , s+=v[i];
sort(v.rbegin() , v.rend());
int atual = 0;
pair<double , double > tot = mp(0, 0);
for(int i = 0;i<n;i++){
atual+=v[i];
pair<double , double > l = mp(pct(i + 1 , n) , pct(atual,s));
if(l.S - l.F> tot.S - tot.F){
tot = l;
}
}
printf("%.10f\n%.10f", 100 * tot.F, 100 * tot.S);
}
