func_code_string: #include <bits/stdc++.h>   using namespace std;   inline void file() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);   }   int main() {     char b[10000];     int a;     cin >> a;     int c = 0;     for (int i = 0; i < a; ++i) {       cin >> b[0] >> b[1] >> b[2];       if (b[0] ==  -  and b[1] ==  -  or b[2] ==  -  and b[1] ==  - )         c--;       else         c++;     }     cout << c;   }   