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#include <bits/stdc++.h>
using namespace std;
#define st first
#define nd second
#define iamspeed ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0)

int n, k, a[130], x, res;

int main()
{
    iamspeed;
    cin >> n >> k;
    for(int i = 1 ; i <= n ; i++)
    {
        cin >> x;
        a[x]++;
    }
    for(int i = 120 ; i > 0 && res < k; i--)
    {
        res += a[i];
    }
    cout << res << endl;
}