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#include<bits/stdc++.h>
#define ll long long
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
unsigned int v[4000001];
int n, k;
unsigned int x;
int main()
{
f>>n>>k;
for(int i=1; i<=n; i++)
{
f>>v[i];
}
nth_element(v+1, v+k, v+n+1);
g<<v[k];
return 0;
}