#include <bits/stdc++.h> using namespace std; #define ll long long #define vi vector<long long> #define all(x) x.begin(), x.end() #define endl "\n" void solution(); int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); solution(); return 0; } const int N = 1e6+10; ll a[N], v[N]; void solution() { ll n, s, k; cin >> n >> s >> k; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> v[i]; cout << s << endl; for (int i = 0; i < s; i++) cout << a[i] << " "; cout << endl; }