include<bits/stdc++.h>

using namespace std;

define int long long

signed main() { iosbase::syncwith_stdio(false); cin.tie(nullptr);

int n, k, m;
cin >> n >> k >> m;

vector<int> a(n);
for(int &x : a) cin >> x;

sort(a.begin(), a.end());

int l = 0, r = n - 1;
int pair = 0;

while(l < r)
{
    if(a[l] + a[r] <= m)
    {
        pair++;
        l++;
        r--;
    }
    else r--;
}

int take_pair = min(pair, k);
int rem_trip = k - take_pair;

int ans = take_pair * 2 + min(rem_trip, n - 2 * pair);

cout << ans << "\n";

}