#include <stdio.h>
#include <string.h>
#include <ctype.h>

int MMolecule(char s[], int *p);
int dic[30][30];

int Number(char s[], int *p)
{
  int r, r2;

  r = s[*p] - '0'; (*p)++;
  if (isdigit(s[*p])) {
    r *= 10;
    r += (s[*p] - '0');
    (*p)++;
  }
  return r;
}

int Atom(char s[], int *p)
{
  int c1, c2;
  c1 = s[*p] - 'A'; (*p)++;
  if (islower(s[*p])) { c2 = s[*p] - 'a' + 1; (*p)++; }
  else { c2 = 0; }
  return dic[c1][c2];
}

int Molecule(char s[], int *p)
{
  int r, r2;

  if (isupper(s[*p])) {
    if (0 > (r = Atom(s, p))) { return -1; }
    if(isdigit(s[*p])) {
      if (0 > (r2 = Number(s, p))) { return -1; }
      r *= r2;
    }
  }
  else if (s[*p] == '(') {
    (*p)++;
    if (0 > (r = MMolecule(s, p))) { return -1; }
    if (s[*p] != ')') { return -1; } (*p)++;
    if (0 > (r2 = Number(s, p))) { return -1; }
    r *= r2;
  }
  else { return -1; }
  return r;
}

int MMolecule(char s[], int *p) 
{
  int r, r2;

  if (0 > (r = Molecule(s, p))) { return -1; }
  if (s[*p] == '(' || isupper(s[*p])) {
    if (0 > (r2 = MMolecule(s, p))) { return -1; }
    r += r2;
  }
  return r;
}

int main()
{
  char s[1024], a[1024]; int w, p, i, j;

  freopen("mf.txt", "r", stdin);

  for (i = 0; i < 30; i++) 
    for (j = 0; j < 30; j++)
      dic[i][j] = -1;
  
  while (1) {
    gets(s); if (0 == strcmp(s, "END_OF_FIRST_PART")) { break; }
    sscanf(s, "%s %d", a, &w);
    if (strlen(a) == 1) { dic[ a[0]-'A' ][ 0 ] = w; }
    else { dic[  a[0]-'A' ] [ a[1]-'a'+1 ] = w; }
  }

  while (1) {
    gets(s); p = 0;
    if (0 == strcmp(s, "0")) { break; }
    w = MMolecule(s, &p);
    if (w < 0) { printf("UNKNOWN\n"); }
    else { printf("%d\n", w); }
  }

  return 0;
}