Imanol-Mikel Barba Sabariego / jutge · Files

#include <iostream>

using namespace std;

string read()
{
	string str;
	cin >> str;
	if(cin.eof())
	{
		return "";
	}
	return read() + str + "\n";
}
int main()
{
	cout << read();
	return 0;
}