#include <fstream>

using namespace std;

const int n = 100001;
int p;
char s[n];

ifstream in("evaluare.in");
ofstream out("evaluare.out");

int expresie();
int termen();
int factor();

int expresie() {
    int sum = termen();
    while(s[p] == '+' || s[p] == '-') {
        if(s[p] == '+') {
            p++;
            sum += termen();
        } else {
            p++;
            sum -= termen();
        }
    }
    return sum;
}

int termen() {
    int prod = factor();
    while(s[p] == '*' || s[p] == '/') {
        if(s[p] == '/')
        {
            p++;
            prod /= factor();
        }
        else
        {
            p++;
            prod *= factor();
        }
    }
    return prod;
}

int factor() {
    int val = 0, semn = 1;
    while(s[p] == '-') {
        p++;
        semn = -semn;
    }
    if(s[p] == '(') {
        p++;
        val = expresie();
        p++;
        return semn*val;
    }
    while(s[p] >= '0' && s[p] <= '9') {
        val = val * 10 + (s[p] - '0');
        p++;
    }
    return semn*val;
}

int main()
{
    in.getline(s, n);
    out << s << endl;
    out << expresie() << endl;
    in.close();
    out.close();
    return 0;
}