求巨佬

#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,m,a[5000005];
signed main()
{
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&a[i]);
    }

    sort(a+1,a+1+n);

    printf("%d ",a[m]);

    return 0;

}