#include<bits/stdc++.h>
#include"testlib.h"
using namespace std;
using ll = long long;

const ll Nmin = 1, Nmax = 200'000;
const ll Amin = 1, Amax = 1'000'000'000;

int main(){
    registerValidation();
    ll n = inf.readLong(Nmin,Nmax);
    inf.readSpace();
    ll k = inf.readLong(Nmin,Nmax);
    inf.readEoln();
    ensuref(k < n, "K < N");
    for (ll i = 0; i < n; i++){
        if (i != 0){
            inf.readSpace();
        }
        inf.readLong(Amin,Amax);
    }
    inf.readEoln();
    inf.readEof();
}