#include <iostream>
#include <math.h>
#include <algorithm>
#include <functional>
#include <vector>
#include <typeinfo>
#include <climits>
#include <ctype.h>
#include <string>
#include <stdio.h>
using namespace std;
#define INIT cin.tie(0); ios::sync_with_stdio(false);
#define FOR(i, a, n) for (int i = a; i < n; i++)
#define REP(i, n) for(int i = 0; i < n; i++)

int main()
{
    INIT;

    char t1, t2;
    cin >> t1 >> t2;

    char A[6];
    A[0] = '(';
    A[1] = t1;
    A[2] = t2;
    A[3] = t1;
    A[4] = ')';
    A[5] = '/';
    REP(i, 6) cout << A[i];
    cout << endl;
    


    return 0;
}