#include<bits/stdc++.h>
using namespace std;
#define lli long long int
vector<lli> a;
int main()
{
lli n,k,val;
cin>>n>>k;
for(lli i=0;i<n;i++)
{
cin>>val;
a.push_back(val);
}
sort(a.begin(),a.end(),greater<lli>());
cout<<a[k-1];
return 0;
}
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