#include <iostream>
#include <string> 
#include <algorithm>

using namespace std;

int tally = 0;

void swapChar(string & _data, int _i, int _j)
{
	char c;
	
	c = _data[_i];
	_data[_i] = _data[_j];
	_data[_j] = c;
}

void F(string _data, int _n)
{
	if(_n == _data.length() - 1)
	{
		tally++;
		cout << _data << endl;
		return;
	} 
	
	for(int i = _n; i < _data.length(); i++)
	{
		swapChar(_data, i, _n);
		F(_data, _n + 1);
		swapChar(_data, i, _n);
	}
}

int main()
{
	string data = "http://www.mamicode.com/ABC";
	//string data = "http://www.mamicode.com/ABCDE";
	
	F(data, 0);
	cout << endl << "count:" << tally;
	
	return 0;
}