#include<bits/stdc++.h>
#define endl '\n'
#define MAXN 2000
using namespace std;

int main()
{
    char t1, t2;
    cin >> t1 >> t2;

    cout << "(" << (char)t1 << (char)t2 << (char)t1 << ")/" << endl;
    return 0;
}