#include <bits/stdc++.h>

using namespace std;

const int N=3000005;
int v[N],Pos;
char buff[N];

void Read(int &a){
    while(!isdigit(buff[Pos]))
        if(++Pos==N) cin.read(buff, N), Pos=0;

    a=0;
    while(isdigit(buff[Pos])){
        a=a*10+buff[Pos]-'0';
        if(++Pos==N) cin.read(buff, N), Pos=0;
    }
}

int main()
{
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);

    cin.read(buff,N), Pos=0;
    int n,k,i,x;
    Read(n), Read(k);
    for(i=1;i<=n;i++) Read(x), v[i]=x;
    nth_element(v+1, v+k, v+n+1);
    printf("%d ",v[k]);

    return 0;
}