#include <stdio.h>
#include <vector>
#include <algorithm>
FILE *inputFile = fopen("sdo.in", "r"), *outputFile = fopen("sdo.out", "w");
std::vector<int> numbers;
int n, k, i, nr;
int main()
{
    fscanf(inputFile, "%d %d", &n ,&k);
    
    for(i = 0; i < n; i++)
    {
        fscanf(inputFile, "%d", &nr);
        numbers.push_back(nr);
    }
    
    std::sort(numbers.begin(), numbers.end());
    
    fprintf(outputFile, "%d", numbers[k - 1]);
    
    return 0;
}