#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <stack>
#include <cmath>
#include <queue>
#include <numeric>


int main()
{
	char t1, t2;

	std::cin >> t1 >> t2;

	std::cout << "(" << t1 << t2 << t1 << ")/" << std::endl;

	return 0;
}