#include <iostream>
using namespace std;
 
const int MAX_SIZE = 10000;
 
int main() {
    int n, m, v[MAX_SIZE], k, x;
    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> v[i];
    }
    int size = n;
    cin >> m; 
    while (m--) {
        cin >> k; 
        if (k == 1) {
            cin >> x; 
            if (size < MAX_SIZE) {
                v[size] = x; 
                ++size; 
            }
        } else if (k == 2) {
            if (size > 0) {
                --size;
            }
        }
    }
    cout << size << "\n";
    for (int i = 0; i < size; ++i) {
        cout << v[i] << " "; 
    }
    return 0;
}

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MwoxIDIgMyAKMwoyCjIKMgotMAoKNwo1IC00IDAgLTcgNyA3IDIKNQoyCjEgMTAwCjIKMSAwCjEgMwotOAo1IC00IDAgLTcgNyA3IDAgMwoKMwoxIDIgMyAKNgoxIDkKMSA5CjEgOQoxIDkKMSA5CjEgOQotOQoxIDIgMyA5IDkgOSA5IDkgOQoKaHR0cHM6Ly9sLi4uY29udGVudC1hdmFpbGFibGUtdG8tYXV0aG9yLW9ubHkuLi5lLnJvL3N1Ym1pc3Npb24vMTU5MjU1MAo=

3
1 2 3 
3
2
2
2
-0

7
5 -4 0 -7 7 7 2
5
2
1 100
2
1 0
1 3
-8
5 -4 0 -7 7 7 0 3

3
1 2 3 
6
1 9
1 9
1 9
1 9
1 9
1 9
-9
1 2 3 9 9 9 9 9 9

https://l...content-available-to-author-only...e.ro/submission/1592550