#include <iostream>
using namespace std;

int main(){
	int n,p,max = 0,sum = 0;
	cin >> n;
	for(int i = 0; i < n; i++){
		cin >> p;
		sum += p;
		if(p > max) max = p;
	}
	cout << sum - max/2 << endl;
	return 0;
}
