#include<iostream>
#include<vector>
using namespace std;

void PrintVector(vector<int>& v)
{
    for (auto x : v)
        cout << x << ' ';
    cout << endl;
}

int main()
{
    srand(time(0));
    int n,k = 0;
    cin >> n;
    vector<int> array;
    for (int i = 0; i < n; i++)
    {
        int b = rand() % 5;
        array.push_back(b);
    }
    PrintVector(array);
    array.erase(remove(array.begin(), array.end(), 0),array.end());
    PrintVector(array);
}