Memory Limit Exceeded

#include <bits/stdc++.h>

using namespace std;

string sign;

void print(string r, int i) {
	cout << setw(i + r.length()) << r << endl;
	if (r.length() < 5) {
		i -= 1;
		print(r + sign + sign, i);
		i += 1;
		cout << setw(i + r.length()) << r << endl;
	}
}

int main() {
	cin >> sign;
	print(sign, 2);
	return 0;
}