#include <bits/stdc++.h>
std::ifstream f("sdo.in");std::ofstream g("sdo.out");int v[3000005],n,k,i=1;int main(){f>>n>>k;for(;i<=n;i++)f>>v[i];std::nth_element(v+1,v+k,v+n+1);g<<v[k];}