#include <iostream>
#include <vector>
#include <cstdlib>
#include <cstdio>

using namespace std;


class str
{

private:
	vector<char> A;

public:

	str(const char *S) {
		
		int sz = sizeof(S);

		cerr << sz << endl;

		for (int i = 0; i < sz; ++i) {
			cout << S[i];
			//A.push_back(S[i]);   //!-- Comment --!//
		}
	}
};




int main(int argc, char const *argv[])
{
	str A("");

	return 0;
}