#include <set>
#include <map>
#include <list>
#include <queue>
#include <stack>
#include <cmath>
#include <ctime>
#include <cstdio>
#include <vector>
#include <string>
#include <bitset>
#include <cctype>
#include <cstdlib>
#include <cstring>
#include <utility>
#include <numeric>
#include <complex>
#include <sstream>
#include <fstream>
#include <functional>
#include <iomanip>
#include <cassert>
#include <iostream>
#include <iterator>
#include <algorithm>
using namespace std;
typedef long long ll;
const double EPS = 1e-9;
typedef vector<int> vec;
typedef pair<int, int> P;
#define rep(n) REP(i, 0, n)
#define ALL(v) v.begin(), v.end()
#define in(a) cin >> a;
#define out(a) cout << a << endl;
#define REP(i, x, n) for(int i = x; i < n; i++)
#define INF 100000000
int dy[] = { 1,0,-1,0 }, dx[] = { 0,1,0,-1 };



int main() {
	char t1, t2;
	cin >> t1 >> t2;
	cout << "(" << t1 << t2 << t1 << ")/\n";
	return 0;
}