#include<iostream>
#include<algorithm>
#include<string>
#include<vector>
#include<cmath>
#include<queue>
#include<functional>
#include<map>
using namespace std;
char c1, c2;
int main() {
	cin >> c1 >> c2;
	cout << "(" << c1 << c2 << c1 << ")" << "/" << endl;
	return 0;
}