#include<iostream>
#include<math.h>
#include<string.h>
#include<vector>
#include<algorithm>
#include<iomanip>
#include<deque>
using namespace std;

int main(){
	char t1,t2;
	cin >> t1 >> t2;
	cout << "(" << t1 << t2 << t1 << ")" << "/" << endl;
	return 0;
}