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

int main(){
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL);
    cout.tie(NULL);
    
    int n,k;
    cin >> n >> k;
    vector <int> baka(n);
    for(int &grzyb : baka){
        cin >> grzyb;
    }
    
    sort(baka.begin(), baka.end());
    
    int bakson = baka[n-k]; 
    
    auto low = lower_bound(baka.begin(), baka.end(), baka[n-k]);
    
    cout << n - (low - baka.begin()) << endl;
    
}