#include <bits/stdc++.h>
using namespace std;
typedef long long lln;
lln arr[10005];

int main(){
    int n,k; cin>>n>>k;
    lln minn=INT_MAX;
    for(int i=0;i<n;i++){
        cin>>arr[i];
        if(minn>arr[i]) minn=arr[i];
    }
    if(n<=2*k){
        cout<<minn<<"\n";
    }
    else{
        lln minn2=INT_MAX;
        for(int i=k;i<n-k;i++){
             if(minn2>arr[i]) minn2=arr[i];
        }
         cout<<minn2<<"\n";
    }
    return 0;
}