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#define _CRT_SECURE_NO_WARNINGS 1
#define _WINSOCK_DEPRECATED_NO_WARNINGS 1

#include <iostream>
#include <string>
using namespace std;

int zliczamy[127];

int main()
{
    int n, k;
    scanf("%d%d", &n, &k);


    // = {};

    while (n-- > 0)
    {
        int p;
        scanf("%d", &p);
        zliczamy[p]++;       
    }

    int ile = 0;
    for (int i = 126; i >0 ; --i)
    {
        if (ile >= k)
        {
            break;
        }
        ile += zliczamy[i];
    }
    printf("%d", ile);
}