#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <stack>
#include <algorithm>
#include <string>
#include <map>
#include <iterator>
#include <set>
#include <queue>

using namespace std;

int main() {

    char T1, T2;
    cin >> T1 >> T2;

    string s = "";
    s += '(';
    s += T1;
    s += T2;
    s += T1;
    s += ')';
    s += '/';

    cout << s << endl;

    return 0;

}