#include <iostream>

using namespace std;

int main()
{
	int n; 
	cin >> n;
	int arr[n];
	int j = 1;
	
	for (int i = 0; i < n; ++i)
	{
		cin >> arr[i];
	}	
	for (int j = 0; j < n; ++j)
	{
		for (int i = 0; i < n-1; ++i)
		{
			if (arr[i] == 0)
			{
				swap(arr[i],arr[i+1]);
			
			}
		}
	
	}
	
	for (int i = 0; i < n; ++i)
	{
			cout << arr[i] << " ";
	}		

			
	return 0;
}