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#include <iostream>
#include <array>

namespace {

  using std::cin;
  using std::cout;
  using std::array;

  inline size_t const MAX_SCORE = 120;
}

int main() {
  size_t n, k;
  array<size_t, MAX_SCORE> scores{};
  size_t read_score;  
  
  cin >> n;
  cin >> k;

  while (cin >> read_score) 
    ++scores[read_score - 1];
  
  size_t i = MAX_SCORE - 1;
  size_t shirt_counter = 0;
  while (shirt_counter < k) {
    shirt_counter += scores[i];
    --i;     
  }

  cout << shirt_counter;

  return 0;
}