#include <bits/stdc++.h>
using namespace std;

int32_t main() {
	int n;
	cin >> n;
	int a[n];
	for(int i  =0;i<n;++i) cin >> a[i];
	sort(a,a+n);
	a[n-1] = a[n-1]/2;
	cout << accumulate(a,a+n,(long long)0);
	return 0;
}

