#include <iostream>
#include <vector>
#include <string>
using namespace std;
//変数デバッグ
#define DEB(variable) cout << #variable << '=' << variable << endl

//for簡易表記(引数ミス防止)
#define FOR(inc, a, b) for (int inc = (a); (inc) < (b); (inc)++) //incをaにし、b-a回(iがb未満の間)処理を行う
#define REP(inc,b) FOR(inc,0,n)

int main(){

    char a, b;

    cin >> a >> b;
    cout << "(" << a << b << a << ")" << "/" << endl;

    return 0;
}