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#include <bits/stdc++.h>
#define int long long
#define mp make_pair
#define pb push_back
#define ld long double
#define pii pair<int,int>
#define sz(x) (int)x.size()
#define piii pair<pii,pii>
#define precise cout<<fixed<<setprecision(10)
#define st first
#define nd second
#define ins insert
#define vi vector<int>
#define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
map<int,int>cnt;
int32_t main(){
  BOOST;
  int n,k;
  cin>>n>>k;
  int sum=0;
  for (int i=1;i<=n;i++){
		int a;
		cin>>a;
		cnt[-a]++;
  }
  int ans=0;
  for (auto it:cnt){
		ans+=it.nd;
		if (ans>=k)break;
  }
  cout<<ans;
  return 0; 
}