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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#ifdef LOCAL
#define debug(...) __VA_ARGS__
#else
#define debug(...) {}
#endif
int ile[121];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie();
    cout.tie();
    int i;
    int n,m;
    cin>>n>>m;
    for (i = 0; i < n ; i++){
        int x;
        cin>>x;
        ile[x]++;
    }
    int wy = 0;
    for (i = 120; i > -1; i--){
        wy += ile[i];
        m -= ile[i];
        if (m <= 0) break;
    }
    cout<<wy<<"\n";
    return 0;
}