#include <stdio.h>
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main() {
  int N, K, sum = 0;
  vector<int> p(401);

  cin >> N >> K;
  
  for (int i = 0; i < N; i++) {
    int j = 0;
    cin >> j;
    
    p[j]++;
  }

  for (int i = 399; i >= 0; i--) {
    p[i] += p[i + 1];
  }
  
  int ans;
  for (int i = 400; i >= 0; i--) {
    if (K >= p[i]) {
      ans = p[i];
    }
  }
  
  cout << ans << endl;
  
  return 0;
}