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

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MwoxIDIgMyAKNAoyCjIKMgoxIDkKLTEKOQoKCjMKMSAyIDMKMwoxIDkKMSA2CjEgMAotNgoxIDIgMyA5IDYgMAoKMwoxIDIgMwo0IAoyCjIKMSA5CjIKLTEKMQoKMwoxIDIgMyAKMwoyCjIKMSA5Ci0yCjEgOQoKMwoxIDIgMwo0CjIKMgoyCjEgMAotMQowCgoKMwoxIDIgMwo1CjIKMgoyCjEgOQoyCi0wCgozCjEgMiAzIAozCjIKMgoyCi0wCgo3CjUgLTQgMCAtNyA3IDcgMgo1CjIKMSAxMDAKMgoxIDAKMSAzCi04CjUgLTQgMCAtNyA3IDcgMCAzCgozCjEgMiAzIAo2CjEgOQoxIDkKMSA5CjEgOQoxIDkKMSA5Ci05CjEgMiAzIDkgOSA5IDkgOSA5Cg==

3
1 2 3 
4
2
2
2
1 9
-1
9


3
1 2 3
3
1 9
1 6
1 0
-6
1 2 3 9 6 0

3
1 2 3
4 
2
2
1 9
2
-1
1

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

3
1 2 3
4
2
2
2
1 0
-1
0


3
1 2 3
5
2
2
2
1 9
2
-0

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