#include <iostream>

#include <string>

using namespace std;

class matrix{

public:

int a;

int b;

static int t;

static int num;

matrix(){}

matrix(int i,int j){

a=i;

b=j;

}

~matrix(){}

matrix operator * (matrix m){

if(b!=m.a) t=1;

num+=a*b*m.b;

return matrix(a,m.b);

}

};

int matrix::t=0;

int matrix::num=0;

int num,t;

matrix mat[26];

matrix mul(char chain[1000000],int m,int n){

if(m==n) return mat[chain[m]-'A'];

int sum=0,i;

if(chain[m]=='('){

for(i=m+1;;i++){

if(chain[i]=='(') sum++;

else if(chain[i]==')'){

if(sum==0) break;

else sum--;

}

}

if(chain[i+1]=='(') return mul(chain,m+1,i-1)*mul(chain,i+2,n-1);

else return mul(chain,m+1,i-1)*mul(chain,n,n);

}

else{

if(chain[m+1]=='(') return mul(chain,m,m)*mul(chain,m+2,n-1);

else return mul(chain,m,m)*mul(chain,n,n);

}

}

int main(void){

int n,i,len;

char ch;

char chain[100000];

cin>>n;

for(i=0;i<n;i++){

cin>>ch;

cin>>mat[ch-'A'].a;

cin>>mat[ch-'A'].b;

}

while(cin>>chain){

len=strlen(chain);

if(len==1){

cout<<"0"<<endl;

continue;

}

matrix::num=0;

matrix::t=0;

mul(chain,1,len-2);

if(matrix::t==1) cout<<"error"<<endl;

else cout<<matrix::num<<endl;

}

return 0;

}