// assert check
#include <assert.h>
#include <iostream>
#include <vector>

using namespace std;

int main() {
	int n, k;
	cin >> n >> k;
	vector<int>a(n);
	for (int& e : a) cin >> e;
	assert(2 <= n && n <= 100);
	assert(2 <= k && k <= n);
	for (int e : a) assert(0 <= e && e <= 1023);
}