#include<iostream>
#include<string>
#include<vector>
using namespace std;
void f(vector<int>& a, vector<int>& b, char c) {
	if (c == '+') for (int i = 0;i < 3;i++)a[i] += b[i];
	else a[0] -= b[0], a[1] += b[2], a[2] += b[1];
}
int main() {//-(-a+b)
	string s;
	int d[3] = { 0 };
	cin >> s;
	s = '(' + s + ')';
	vector<char> a;
	vector<vector<int>> c;
	for (int i = 0;i < s.size();i++) {
		if (s[i] == '(')a.push_back('(');
		else if (s[i] == ')') {
			while (a.size() && a.back() != '(')
				f(c[c.size() - 2], c[c.size() - 1], a.back()), c.pop_back(), a.pop_back();
			a.pop_back();
			if (a.size() && a.back() == '-')c[c.size() - 1][0] *= -1, swap(c[c.size() - 1][1], c[c.size() - 1][2]), a[a.size() - 1] = '+';
		}
		else if (s[i] == '+' || s[i] == '-')a.push_back(s[i]);
		else {
			c.push_back({ s[i] == '?' ? 0 : s[i] - '0',s[i] == '?',0 });
			if (a.size() && a.back() == '-')c[c.size() - 1][0] *= -1, swap(c[c.size() - 1][1], c[c.size() - 1][2]), a[a.size() - 1] = '+';
		}
		//if (c.size())cout << c.back()[0] << " " << c.back()[1] << " " << c.back()[2] << endl;
	}
	cout << c[0][0] + c[0][1] * 9 << endl;
}