#include<cstdio>
#include<stack>
#include<iostream>
#include<string>
using namespace std;
struct Matrix
{
	int a,b;
	Matrix(int _a=0,int _b=0)
	{
		a=_a;
		b=_b;
	}
};
Matrix m[26];
int main()
{
#ifdef local
	freopen("pro.in","r",stdin);
#endif
	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.size();
		bool error=0;
		int ans=0;
		stack<Matrix> s;
		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=1;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;
}
/*
Sample Input
9
A 50 10
B 10 20
C 20 5
D 30 35
E 35 15
F 15 5
G 5 10
H 10 20
I 20 25
A
B
C
(AA)
(AB)
(AC)
(A(BC))
((AB)C)
(((((DE)F)G)H)I)
(D(E(F(G(HI)))))
((D(EF))((GH)I))
Sample Output
0
0
0
error
10000
error
3500
15000
40500
47500
15125
*/