#include <bits/stdc++.h>
#include <string>
#include <algorithm>
#include <vector>
using namespace std;

//#define int long long

using namespace std;
signed main() {
    string s;
    cin >> s;
    vector<int> pluses;
    vector<char> symbols;
    pluses.reserve(s.size());
    symbols.reserve(s.size());
    int start = s[0] == '+' ? 2 : 0;
    int prev = 0;
    for (int i = start; i < s.size(); ++i) {
        char c = s[i];
        if (c != '+') {
            symbols.push_back(c);
            if (prev) {
                pluses.push_back(prev);
                prev = 0;
            }
        } else {
            ++prev;
        }
    }
    if (prev) {
        pluses.push_back(prev);
        prev = 0;
    }

    string ans = "";
    string add = "";
    if (s[0] == '+') {
        add = "++";
    }
    for (int i = 0; i < pluses.size(); ++i) {
        add.append(1, symbols[i]);
        if (pluses[i] != 1) {
            add += "++";
        }

        if (add.size() != 1) {
            add = "(" + add + ")";
        }

        if (i != symbols.size() - 1) {
            add += '+';
        }

        ans.append(add);

        if (pluses[i] == 5) {
            add = "++";
        } else {
            add = "";
        }
    }
//    cout << pluses.size() << " " << symbols.size() << endl;
    if (pluses.size() != symbols.size()) {
        add.append(1, symbols.back());
        if (add.size() != 1) {
            add = "(" + add + ")";
        }

        ans.append(add);
    }
    cout << ans << endl;
    return 0;
}