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// Grzegorz Suwaj
// TEMPLATE
// */
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <deque>
#include <exception>
#include <forward_list>
#include <fstream>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <regex>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

#define FE(i, a, b) for (size_t i = a; i < b; i++)
#define FI(i, a, b) for (size_t i = a; i <= b; i++)
#define RFE(i, a, b) for (int i = a; i > b; i--)
#define RFI(i, a, b) for (int i = a; i >= b; i--)
#define RANGE(c) (c).begin(), (c).end()
#define RRANGE(c) (c).rbegin(), (c).rend()
#define mp std::make_pair
#define fi first
#define se second
#define th third
#define pb push_back
#define eb emplace_back
#define ppb pop_back
#define bgn begin
#define ers erase
#define ins insert
#define putcxi putchar_unlocked
#define getcxi getchar_unlocked
#define y1 _y1
#define y0 _y0
#define esle else
#define szie size
#define siez size
#define szie_t size_t
#define isze size
#define boid void
#define itn int
#define breal break
#define bakc back

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pi = std::pair<int, int>;
using pill = std::pair<int, ll>;
using plli = std::pair<ll, int>;
using pll = std::pair<ll, ll>;
using pld = std::pair<ld, ld>;
using vi = std::vector<int>;
using vll = std::vector<ll>;
using vull = std::vector<ull>;
using vld = std::vector<ld>;
using vpi = std::vector<pi>;
using vpill = std::vector<pill>;
using vplii = std::vector<plli>;
using vpll = std::vector<pll>;
using vpld = std::vector<pld>;
using vvi = std::vector<vi>;
using vvll = std::vector<vll>;
using vvvi = std::vector<vvi>;
using vvpi = std::vector<vpi>;
using vb = std::vector<bool>;
using vvb = std::vector<vb>;
using si = std::set<int>;
using sll = std::set<ll>;
using sull = std::set<ull>;
using spi = std::set<pi>;

const int MAX_INT = std::numeric_limits<int>::max();
const int MXI = 1e9;
const ll MAX_LL = std::numeric_limits<long long>::max();
const ull MAX_ULL = std::numeric_limits<unsigned long long>::max();
const ll MXLL = 1e18;

template<typename T1, typename T2>
std::ostream &operator<<(std::ostream &os, const std::pair<T1, T2> &p)
{
    //     return os << p.fi << ' ' << p.se << ' ';
    return os << p.fi << ' ' << p.se;
}

template<typename... T, template<typename...> class Container, typename std::enable_if<!std::is_same<Container<T...>, std::string>::value>::type * = nullptr>
std::ostream &operator<<(std::ostream &os, const Container<T...> &c)
{
    for (auto &&x: c)
        os << x << ' ';
    // os << '\\n';
    return os;
}

// /*
// KOD CODE PROGRAM SOURCE
// */
int n, k;
vi a;

int main(int argc, char const *argv[])
{
#ifndef DEBUG
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout.tie(0);
#endif

    std::cin >> n >> k;
    for (int i = 0; i < n; ++i) {
        int a_i;
        std::cin >> a_i;
        a.pb(a_i);

    }

    int ans = k;
    std::sort(RANGE(a));
    for (int i = n - 1 - k; i >= 0; --i)
        if (a[i] == a[i + 1])
            ans++;
        else
            break;

    std::cout << ans;
    return 0;
}