#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using vi = vector<ll>;
using vvi = vector<vi>;
using vc = vector<char>;
using vvc = vector<vc>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vs = vector<string>;
using pii = pair<ll, ll>;
using vpii = vector<pii>;
using vvpii = vector<vpii>;
using mint = modint998244353;
// using mint = modint1000000007;
#define endl '\n'
#define rep(i, a) for (ll i = 0; i < a; i++)
#define f(i, a, b) for (ll i = a; i < b; i++)
#define rf(i, a, b) for (ll i = a; i > b; i--)
#define all(x) (x).begin(), (x).end()
const ll INF = LLONG_MAX / 4;
vi dx = {1, 0, -1, 0, 1, 1, -1, -1};
vi dy = {0, 1, 0, -1, 1, -1, 1, -1};
void io_setup() {
    cin.tie(0);
    ios::sync_with_stdio(0);
    cout << fixed << setprecision(16);
}

int main(void) {
    io_setup();
    int n, m, t;
    cin >> n >> m >> t;
    vi a(m);
    vi num(n);
    rep(i, m) {
        cin >> a[i];
        num[--a[i]]++;
    }
    while (1) {
        pii Max = {0, -1}, Min = {INF, -1};
        rep(i, n) {
            if (num[i] > Max.first) {
                Max.first = num[i];
                Max.second = i;
            }
            if (num[i] < Min.first) {
                Min.first = num[i];
                Min.second = i;
            }
        }
        if (Max.first - 1 <= Min.first + t) {
            cout << Max.first << endl;
            return 0;
        }
        num[Max.second] -= 1;
        num[Min.second] += t;
    }
}