import std.stdio;
import std.algorithm;
import std.conv;
import std.datetime;
import std.numeric;
import std.math;
import std.string;

string my_readln() { return chomp(readln()); }

void main()
{//try{
	auto tokens = split(my_readln());
	auto N = to!ulong(tokens[0]);

	ulong big, result;
	foreach (i; 0..N)
	{
		auto p = to!ulong(my_readln());
		result += p;
		if (p > big)
		{
			big = p;
		}
	}
	result -= big / 2;

	writeln(result);
	stdout.flush();
/*}catch (Throwable e)
	{
		writeln(e.toString());
	}
readln();*/
}