/**************************/
/* LEN’ BULO */
/* DODELIVAT’ */
/* i YA OStavil’ */
/* TAK */
/* P.S. poslanuye ko mne */
/* v Byduyshem dodelat’ */
/* etot project */
/**************************/

#include <iostream>
#include <vector>
#include <string>
#include <math.h>
#include <map>
#include <algorithm>

using namespace std;

void printVector(const vector<int>& v) {
    std::cout << endl;
    cout << "Вывод вектора : " << endl;
    for (auto i : v) {
        cout << i << ' ';
    }
}

void printMap(const map<int, char>& v) {
    cout << endl;
    cout << "Вывод Map : " << endl;
    for (auto item : v) {
        cout << "element: " << item.first << " : " << item.second << endl;
    }
}

void lastPrintVector(const vector<int>& v) {
    cout << endl;
    cout << "Вывод последнего вектора : " << endl;
    for (auto i : v) {
        cout << i << ' ';
    }
}

int Swap(vector<int>& num, vector<int>& numv2) {
    int temp = 0;
    for (int i = 0; i < numv2.size(); i++) {
        num.push_back(numv2[i]);
    }
    numv2.clear();
    return 0;
}

void calc(string a) {
    vector<int> element{ 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000 };
    vector<int> num, numv2, pluse, minus;
    map<int, char>symbole;
    int temp = 0, temp1 = 0, temp2 = 0, set = 0, plus = 0, minusm = 0;
    for (int i = 0; i < a.size(); i++) {
        if (a[i] == '-' && a[i + 1] > 0) {
            for (int d = 0; d < a.size(); d++) {
                if (a[d+1] != '+' && a[d+1] != '-' && a[d+1] != '*') {
                    if (a[d+1] == '1') {
                        temp = -1;
                        minus.push_back(temp);
                    }
                    if (a[d+1] == '2') {
                        temp = -2;
                        minus.push_back(temp);
                    }
                    if (a[d+1] == '3') {
                        temp = -3;
                        minus.push_back(temp);
                    }
                    if (a[d+1] == '4') {
                        temp = -4;
                        minus.push_back(temp);
                    }
                    if (a[d+1] == '5') {
                        temp = -5;
                        minus.push_back(temp);

                    }
                    if (a[d+1] == '6') {
                        temp = -6;
                        minus.push_back(temp);

                    }
                    if (a[d+1] == '7') {
                        temp = -7;
                        minus.push_back(temp);
                    }
                    if (a[d+1] == '8') {
                        temp = -8;
                        minus.push_back(temp);
                    }
                    if (a[d+1] == '9') {
                        temp = -9;
                        minus.push_back(temp);
                    }
                }
                else {
                    reverse(minus.begin(), minus.end());
                    for (int k = 0; k < minus.size(); k++) {
                        temp = minus[k] * element[k];
                        temp1 += temp;
                        cout << "\nTEMP! MINUS: " << temp1;
                    }
                    num.push_back(temp1);
                    cout << "\nTEMP2 MINUS: " << temp1;
                    temp = temp1 = 0;
                    break;
                }
            }
        }
            if (a[i] == '1') {
                temp = 1;
                num.push_back(temp);
            }
            if (a[i] == '2') {
                temp = 2;
                num.push_back(temp);
            }
            if (a[i] == '3') {
                temp = 3;
                num.push_back(temp);
            }
            if (a[i] == '4') {
                temp = 4;
                num.push_back(temp);
            }
            if (a[i] == '5') {
                temp = 5;
                num.push_back(temp);
            }
            if (a[i] == '6') {
                temp = 6;
                num.push_back(temp);
            }
            if (a[i] == '7') {
                temp = 7;
                num.push_back(temp);
            }
            if (a[i] == '8') {
                temp = 8;
                num.push_back(temp);
            }
            if (a[i] == '9') {
                temp = 9;
                num.push_back(temp);
            }
            if (a[i] == '0') {
                temp = 0;
                num.push_back(temp);
            }
            if (a[i] == '+') {
                symbole[i] = '+';
                pluse.push_back(i);
                reverse(num.begin(), num.end());
                for (int k = 0; k < num.size(); k++) {
                    temp = num[k] * element[k];
                    temp1 += temp;
                }
                numv2.push_back(temp1);
                temp = temp1 = 0;
                num.clear();
            }
            if (a[i] == '-') {
                symbole[i] = '-';
                for (int minusmin = 0; minusmin < minusm; minusmin++) {
                    symbole.erase(symbole.begin());
                }
                reverse(num.begin(), num.end());
                for (int k = 0; k < num.size(); k++) {
                    temp = num[k] * element[k];
                    temp1 += temp;
                }
                numv2.push_back(temp1);
                temp = temp1 = 0;
                num.clear();
            }
            if (a[i] == '*') {
                symbole[i] = '*';
                reverse(num.begin(), num.end());
                for (int k = 0; k < num.size(); k++) {
                    temp = num[k] * element[k];
                    temp1 += temp;
                }
                numv2.push_back(temp1);
                temp = temp1 = 0;
                num.clear();
        }
    }
    reverse(num.begin(), num.end());
    for (int k = 0; k < num.size(); k++){
        temp = num[k] * element[k];
        temp1 += temp;
    }
    numv2.push_back(temp1);
    temp = temp1 = 0;
    num.clear();
    Swap(num, numv2);
    cout << endl;
    int i = 0;
    temp = 0;
    numv2.clear();
    printMap(symbole);
    for (auto item : symbole) {
        if (item.second == '*') {
            vector <int>::iterator it;
            it = (num.begin());
            int temp4 = num.size();
            //if ((temp4 % 2) != 0) { num.push_back(0); minusm++; }//добавляем 1 блок если число не полное
            int sizenumv2 = (num.size() / 2);// узнаем кол. ячеек
            temp1 = num[0];
            temp2 = num[1];
            num.erase(num.begin());
            num.erase(num.begin());
            cout << "\ntemp1 == " << temp1 << " temp2 == " << temp2 << endl;
            temp = temp1 * temp2;
            num.emplace(it, temp);
            lastPrintVector(num);
            if (num.size() == 0) {
                break;
            }
        }
    }

    for (auto item : symbole) {
        if (item.second == '+') {
            vector <int>::iterator it;
            it = (num.begin());
            int temp4 = num.size();
            //if ((temp4 % 2) != 0) { num.push_back(0); minusm++; }//добавляем 1 блок если число не полное
            int sizenumv2 = (num.size() / 2);// узнаем кол. ячеек
            temp1 = num[0];
            temp2 = num[1];
            num.erase(num.begin());
            num.erase(num.begin());
            cout << "\ntemp1 == " << temp1 << " temp2 == " << temp2 << endl;
            temp = temp1 + temp2;
            num.emplace(it, temp);
            lastPrintVector(num);
            if (num.size() == 0) {
                break;
            }
        }
        if (item.second == '-') {
            vector <int>::iterator it;
            it = (num.begin());
            int temp4 = num.size();
            //if ((temp4 % 2) != 0) { num.push_back(0); minusm++; }//добавляем 1 блок если число не полное
            int sizenumv2 = (num.size() / 2);// узнаем кол. ячеек
            temp1 = num[0];
            temp2 = num[1];
            num.erase(num.begin());
            num.erase(num.begin());
            cout << "\ntemp1 == " << temp1 << " temp2 == " << temp2 << endl;
            temp = temp1 - temp2;
            num.emplace(it, temp);
            lastPrintVector(num);
            if (num.size() == 0) {
                break;
            }
        }
    }
    cout << endl;
    cout << "Конечный вывод" << " : " << temp << endl;
}

int main(){
    setlocale(LC_ALL, "Russian");
    string num;
    cin >> num;
    calc(num);
    return 0;
}