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  kienduy1221  commented on Oct. 3, 2024, 2:29 a.m.

  include <iostream>

  include <stack>

  include <string>

  include <cctype>

  include <vector>

  using namespace std; int khoiluong(string &x){ stack <int> S;

  for(auto c:x){
      if(c=='C') S.push(12);
      else if(c=='H') S.push(1);
      else if(c=='O') S.push(16);
      else if(c=='(') S.push(0);
      else if(isdigit(c)){
          int coso= c- '0';
          S.top()=S.top()*coso;
      }
      else if(c==')'){
          int t=0;
          while(S.top()!=0){
              t=t+S.top();
              S.pop();
          }
          S.pop();
          S.push(t);
      }
  }
  
  int tong=0;
  while(!S.empty()){
      tong=tong+S.top();
      S.pop();
  }
  return tong;

  }

  int main(){ int n; cin>>n; cin.ignore(); vector<int> v; while(n!=0){ string x; getline(cin,x); v.push_back(khoiluong(x)); n--; } for(auto x:v){ cout<<x<<endl; }

  }

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