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

int main() {
	vector <long long> a;
	long long b;
	while (cin >> b)
	{
		a.push_back(b);
	}
	for (int i = 0; i < a.size()/2; i++)
	{
		if(a[i] <= 0)
		{
			a[a.size()/2 + i] *= 10;
		}
		else
		{
			a[a.size()/2 + i] = 0;
		}
	}
	for (auto c : a)
	{
		cout << c << " ";
	}
	cout << endl;
	return 0;
}