//
//	p 137
//	Abstract DT - List: array of items with var. length
//	read data from a file and put them in the list, out the list

#include <iostream>
using namespace std;

const int MAX = 50;

class List
{	int data[MAX];
	int length;
public:
	List()	{ length = 0;}
	int Length() const
	{	return length;	}
	void Insert(int item) 
	{	data[length] = item;
		length ++;
	}
	void Print() const
	{	for( int i=0; i<length; i++)
			cout << data[i] << " ";
		cout << "\n";
	}
	// sequential search, p139
	bool IsPresent(int item) const
	{	bool found = false;
		for(int i=0; i<length && !found; i++)
			if(data[i] == item) found = true;
		return found;
	}
};

int main()
{
	
	List real;
	int x;
	cin >> x ;
	while (cin)
	{	real.Insert(x);
		cin >> x;
	} 
	real.Print();

	return 0;


}