#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main()
{
    ll num {};
    cin >> num;
    vector< ll > v( num );
    
    for( auto&& it : v ) {
        cin >> it;
    }
    
    ll wa = accumulate( begin( v ), end( v ), 0LL );
    ll tsuru = wa / 4;
    ll kame = ( wa % 4 == 0 ? 0 : ( wa - tsuru * 4 ) / 2 );
    
    cout << tsuru << " " << kame << endl;
}