#include <iostream>
#include <algorithm>
#include <vector>
#include <bits/stdc++.h>
#define loop(i,n) for(int i=0;i<n;++i)
#define FOR(i,a,b) for (int i = a; i < b; ++i)
#define ll long long
#define inf 9223372036854775807
#define infi 0x7fffffff
#define printgrid(arr,m,n){cout<<"[";for(int i=0;i<m;++i){if(i!=0)cout<<" ";cout<<"[";for(int j=0;j<n;++j){cout<<arr[i][j];if(j!=n-1)cout<<" ";}cout<<"]";if(i!=m-1)cout<<endl;}cout<<"]"<<endl;}
using namespace std;
 
int main() {
  int n,k;
  cin >> n >> k;
  if(n==0)
  {
    cout << 0 << endl;
    return 0;
  }
  vector<int> a(n);
  vector<int> b(n);
 
  loop(i,n) cin >> a[i];