import std.stdio, std.math, std.algorithm, std.array, std.string, std.conv, std.container, std.range;
T Read(T)() { return readln.chomp.to!(T); }
T[] Reads(T)() { return readln.split.to!(T[]); }
alias read = Read!(int);
alias reads = Reads!(int);


void main() {
    int n = read();
    int[] a;
    foreach (i; 0..n)
        a ~= read();
    a.sort();
    writeln(a.sum - a[$ - 1] / 2);
}
