G.cpp

#include <bits/stdc++.h>

#define FOR(i,a,b) for(int i=(a),_b=(b); i<=_b; i++)
#define FORD(i,a,b) for(int i=(a),_b=(b); i>=_b; i--)
#define REP(i,a) for(int i=0,_a=(a); i<_a; i++)
#define EACH(it,a) for(__typeof(a.begin()) it = a.begin(); it != a.end(); ++it)

#define DEBUG(x) { cout << #x << " = "; cout << (x) << endl; }
#define PR(a,n) { cout << #a << " = "; FOR(_,1,n) cout << a[_] << ' '; cout << endl; }
#define PR0(a,n) { cout << #a << " = "; REP(_,n) cout << a[_] << ' '; cout << endl; }

#define sqr(x) ((x) * (x))
#define ll long long
#define SZ(X) ((int) ((X).size()))
using namespace std;

int main() {
    ios :: sync_with_stdio(false);
    string s;
    while (cin >> s) {
        bool inv = false;
        for(char c : s) {
            if (c == '(' || c == ')') cout << c;
            else if (c == '[' || c == ']') {
                inv = !inv;
                if (c == '[') cout << '(';
                else cout << ')';
            }
            else {
                if (inv) {
                    if (c == '+') cout << '*';
                    else if (c == '*') cout << '+';
                    else cout << (char) (c ^ ' ');
                }
                else cout << c;
            }
        }
        cout << endl;
    }
}