#include <iostream>
using namespace std;

int main(){
 int i,n,max,sum,t;
 sum=0;
 max=0;
 cin >> n;
 for(i=1;i<=n;i++){
    cin>>t;
    sum+=t;
    if(max<t){max=t;}
 }
 cout << sum-max/2<<endl;
 return 0;
}
