#include <iostream>

using namespace std;

int main(){
	string next;
	int depth = 0;
	cin >> next;
	for(int p = 0; p < next.length(); p++){
		if(next.at(p) == 'f' || depth == 0){
			cout << '#';
			depth++;
		}
		else
			cout << endl << string(depth - 1, '.') << '#';
	}
	cout << endl;
}