#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int n,k;
    cin>>n>>k;
    int i,c[n];
    for(i=0;i<n;i++)
        {
        cin>>c[i];
    }
    if(k==n/2)
        cout<<c[(n-1)/2];
    return 0;
}