#include<iostream>
#include<stack>
#include<string>
using namespace std;
struct Matrix{
    int a,b;
    Matrix(int a=0,int b=0):a(a),b(b){}
}m[26];
stack<Matrix>s;
int main(){
    int n;
    cin>>n;
    for(int i=0;i<n;i++){
        string name;
        cin>>name;
        int k = name[0]-'A';
        cin>>m[k].a>>m[k].b;
    }
    string expr;
    while(cin>>expr){
        int len = expr.length();
        bool error = false;
        int ans = 0;
        for(int i=0;i<len;i++){
            if(isalpha(expr[i])){
                s.push(m[expr[i]-'A']);
            }
            else if(expr[i]==')'){
                Matrix m2 = s.top();s.pop();
                Matrix m1 = s.top();s.pop();
                if(m1.b!=m2.a){
                    error = true;
                    break;
                } 
                ans += m1.a*m1.b*m2.b;
                s.push(Matrix(m1.a,m2.b));
            }
        }
        if(error)printf("error\n");else printf("%d\n",ans);
    }
    return 0;
}