//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int siz(string s){
  return (int)s.size();
}

int main(){
  int N, K; cin >> N >> K;
  map<int, int> mp;
  for(int i = 0; i < N; i++){
    int P; cin >> P;
    
    mp[P]++;
  }
  
  if(N == K){
    printl(N);
  }else{
    for(auto p: mp){
      N -= p.second;
      
      if(N <= K){
        printl(N);
        break;
      }
    }
  }
  
  return 0;
}