#include<stdio.h>
#include<string.h>
int a[26][2];
int zhan[1000][2];
int top;
int sum;
char str[1000];
int jin(int x)
{
    zhan[top][0]=a[x][0];
    zhan[top][1]=a[x][1];
    top++;
    return 0;
}    
int chu()
{
    if(zhan[top-2][1]!=zhan[top-1][0])return 1;
    sum+=zhan[top-1][0]*zhan[top-1][1]*zhan[top-2][0];
    zhan[top-2][1]=zhan[top-1][1];
    top--;
    return 0;
}    
int main()
{
    //freopen("test.in","r",stdin);
   // freopen("test.out","w",stdout);
    int n,i,j,x,y;
    char ch;
    scanf("%d",&n);
    
    for(i=0;i<n;i++)
    {
        getchar();
        scanf("%c %d %d",&ch,&x,&y);
       // printf("%c %d %d\n",ch,x,y);
        a[ch-'A'][0]=x;
        a[ch-'A'][1]=y;
    }    
    while(scanf("%s",&str)!=EOF)
    {
        top=sum=0;
        int len=strlen(str);
        if(len==1)
        {
            printf("0\n");
            continue;
        }    
        int flag=0;
        for(i=0;i<len&&!flag;i++)
        {
            if(str[i]=='(')continue;
            if(str[i]==')')flag=chu();
            else jin(str[i]-'A');
            if(flag) break;
        }    
        if(flag)  printf("error\n");
        else printf("%d\n",sum);
    }   
    return 0; 
}