списки

#include <iostream>
#include <fstream>
#include <list>

using namespace std;

ifstream in("Input.txt");
ofstream out("Output.txt");

int main()
{
	int x,i;
	cin >> x;

	list <int> get_numb;

	int size = get_numb.size();

	while (in >> i)
	{
		get_numb.push_front(i);
	}

	while (!get_numb.empty())
	{
		if (x != get_numb.front())
		out << get_numb.front() << " ";
		get_numb.pop_front();
    }
	in.close();
	out.close();
	return 0;
}