#include <iostream> #include <string> #include <deque> using namespace std; int main() { int N, K; cin >> N >> K; deque<int> A; for (int i = 0; i < N; i++) { int a; cin >> a; A.push_back(a); } for (int i = 0; i < K; i++) { string S; cin >> S; if (S == "show") { for (int j = 0; j < A.size(); j++) { cout << A[j] << endl; } } else { A.pop_front(); } } }

class Hoge {
  static void main(String[] args) {
    System.out.println("Hello, World!");
  }
}