#include <bits/stdc++.h>

using namespace std;

FILE * fin = fopen("sdo.in", "r");

const int N_MAX = 3000005;
const int buffer = 100000;

int N, K;

char buff[buffer];
int Array[N_MAX];

int pos;

void readBuffer() {
    fread(buff, sizeof(char), buffer, fin);
}

char readChar() {
    ++pos;
    if (pos == buffer) {
        readBuffer();
        pos = 0;
    }
    return buff[pos];
}

int readInt() {
    char c;
    while (!isdigit(c = readChar())) ;
    int ans = 0;
    while (isdigit(c)) {
        ans = 10 * ans + (c - '0');
        c = readChar();
    }
    return ans;
}

int main() {
    freopen("sdo.out", "w", stdout);
    N = readInt();
    K = readInt();
    for (int i = 1; i <= N; ++i) {
        Array[i] = readInt();
    }
    nth_element(Array + 1, Array + K + 1, Array + N + 1);
    cout << Array[K];
    return 0;
}