#include <iostream>
#include <vector>
#include <map>
#include <array>

using namespace std;
template<class T> bool maxPointer(T& a, T b) { if (a < b) {a = b;return true;}return false;}
template<class T> int maxReturn(T a, T b) {if (a > b) {return a;} else {return b;}}
template<class T> bool minPointer(T& a, T b) {if (a < b) {a = b;return true;}return false;}

int main(void){
    int N,max=0,maxIndex=0,ans=0;
    cin >> N;
    int array[N];
    
    for (int i = 0; i < N; i++) {
        cin >> array[i];
        
        if (array[i] > max) {
            max = array[i];
            maxIndex = i;
        }
    }
    
    for (int i = 0; i < N; i++) {
        if (maxIndex != i) {
            ans += array[i] / 2;
        } else {
            ans += array[i];
        }
    }
    cout << ans << endl;
}