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#include "bits/stdc++.h"
 
using namespace std;
 
template<typename _T> void _debug(const char *s, _T x){ cerr << s << " = " << x << "\n";}
template<typename _T, typename... R> void _debug(const char *s, _T x, R... r){ while(*s != ',') cerr << *s++; cerr << " = " << x << ", "; _debug(s + 1, r...);}
 
#define debug(...)	_debug(#__VA_ARGS__,  __VA_ARGS__);
 
#define sz(s)	int32_t(s.size())
 
using ll = long long;
using ld = long double;
 
// #define int long long  

int32_t main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, k;   cin >> n >> k;
    vector < int > arr(n);
    for(int i = 0; i < n; i++){
        cin >> arr[i];
    }
    sort(begin(arr), end(arr), [](int a, int b){
        return a > b;
    });
    int ans = 0;
    for(int i = 0; i < n; i++){
        if(ans < k || arr[i] == arr[i - 1]){
            ans++;
        }else break;
    }
    cout << ans << "\n";
}