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#include <iostream>
#include <vector>
//#include <bits/stdc++.h>
using namespace std;

#define FORE(x, b, e) for(int x = b; x <= (e); ++x)
#define FORL(x, b, e) for(int x = b; x <  (e); ++x)

#define P(x) cout <<#x <<'=' <<(x) <<" ";
#define PP cout <<endl;
#define Pv(x,a,b) cout << #x<<'=';for(int i=a;i<=b;i++)cout<<' '<<x[i];PP
#define Pvv(x,y,a,b) cout <<#x <<#y <<'=';FORE(i,a,b)cout<<' '<<x[y[i]];PP

/*
typedef          long long  INT;
typedef unsigned long long UINT;
typedef vi vector<int>;
UINT MOD = 1000000007ULL;
*/	

#define MAX 120
int N[MAX+1];
	
int main()
{
	std::ios_base::sync_with_stdio(false);  cin.tie(NULL);
	
	int u,k,v;	
	cin >>u >>k;
	FORL(i,0,u){
		cin >>v;
		N[v]++;
	}
	
	int s=0;
	for(int i=MAX;i>0;i--) {
		s+=N[i];
		if(s>=k) break;
	}

	cout <<s <<endl;
	return 0;
}