#include <iostream>
#include <string>
using namespace std;

#define p(x) cout << x << endl;
#define el cout << endl;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

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

    cout << '(' << t1 << t2 << t1 << ')' << '/' << endl; 
}