package yukicoder;

import java.util.Scanner;

public class Main {

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String line = sc.nextLine();
        line = sc.nextLine();
        String[] spl = line.split(" ");
        
        int exp[] = new int[spl.length];
        int i = 0;
        
        for(String a : spl){
        	exp[i++] = Integer.parseInt(a);
        }
        
        int max = 0;
        for(int a : exp){
        	if(a > max){
        		max = a;
        	}
        }
        
        boolean flg = true;
        int maxExp = 0;
        for(int a : exp){
        	if(a == max && flg){
        		flg = false;
        		maxExp += a;
        	}else{
        		maxExp += a/2;
        	}
        }
        System.out.println(maxExp);
	}
}