#include <cstdio>
#include <cstdlib>

int cmp(const void *a, const void *b)
{
	return *(int*)a - *(int*)b;
}

int main()
{
	int n, k, i, j, min, tmp, *a;

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

	scanf("%d%d", &n, &k);
	
	a = (int*) malloc( n*sizeof(int) );
	
	for (i=0; i<n; i++)
		scanf("%d", &a[i]);
	
	qsort(a, n, sizeof(int), cmp);
		
	printf( "%d", a[k-1] );
}