#include<stdio.h>
int main(){
	int a[9999];
	int n,k,m,change;
	scanf("%d%d",&n,&k);
	for(int i=0;i<n;i++){
		scanf("%d",&m);
		a[i]=m;
	}
	for(int k=0;k<n;k++){
		for(int j=0;j<n-1;j++){
			if(a[j]>a[j+1]){
				change=a[j];
				a[j]=a[j+1];
				a[j+1]=change;
			}
		}
	}
	printf("%d",a[k]);
	return 0;	
}