#include<fstream>
#include<cstring>
using namespace std;
ifstream in("evaluare.in");
ofstream out("evaluare.out");
char c[100001],stiva[100001],v[100001];
int n,pri,stiva2[100001],k,s,p,nr;
int priority(char ch) {
    if (ch == '*' or ch == '/') return 1;
    if (ch == '+' or ch == '-') return 2;
    if (ch == '(' or ch == ')') return 3;
    return 4;
}

int operatie(int x, int y, char ch) {
    if (ch == '+') return x + y;
    if (ch == '-') return x - y;
    if (ch == '*') return x * y;
    if (ch == '/') return x / y;
}

int main (void) {
    in >> c+2;
    n = strlen(c+2) + 2;
    c[1] = '('; c[n] = ')';
    for (int i = 1; i <= n; i ++) {
        pri = priority(c[i]);
        if (c[i] == '(') {
            stiva[++s] = c[i];
            continue;
        }
        if (pri== 4){
            v[++k] = c[i];
        }
        else {
            while (s > 0 and pri >= priority(stiva[s]) ){
                v[++k] = stiva[s];
                if (stiva[s] == '(') {
                    s--;
                    break;
                }
                s --;
            }
            if (c[i] != ')') {
                stiva[++s] = c[i];
            }
        }
    }
    for (int i = 1; i <= k;) {
        if (priority(v[i]) == 4) {
            nr = 0;
            while (priority(v[i]) == 4 ){
                nr = nr *10 + v[i] - '0';
                i++;
            }
            stiva2[++p] = nr;
        }
        else {
            nr = operatie(stiva2[p - 1], stiva2[p], v[i]);
            stiva2[--p] = nr;
        }
    }

    out << v + 1;
    return 0;
}