import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sca = new Scanner(System.in);
		ArrayList<Integer> al = new ArrayList<Integer>();
		ArrayList<Integer> sj = new ArrayList<Integer>();
		HashMap<String, Integer> hm = new HashMap<String, Integer>();
		while (true) {
			String arr = sca.next();
			if (arr.equals("END_OF_FIRST_PART")) {
				break;
			} else {//(C(H)3)4
				hm.put(arr, sca.nextInt());
			}
		}
		while (true) {
			
			String ai = sca.next(); //System.out.println(ai.length());
			if (ai.equals("0")) {
				break;
			} else {
				for (int j = 0; j < ai.length(); j++) {
					int k = ai.charAt(j);
					if (k == 41) {

						int index = 1;
						String z = "";
						if (j + 1 < ai.length()) {
							if (ai.charAt(j + 1) >= 48
									&& ai.charAt(j + 1) <= 57) {
								z = (char) (int) ai.charAt(j + 1) + "";
								if (j + 2 < ai.length()) {
									
									if (ai.charAt(j + 2) >= 48
											&& ai.charAt(j + 2) <= 57) {
										z = z+(char) (int) ai.charAt(j + 2) + "";
										j++;//System.out.println("NICE"+j);
									}
								}
							}
							index = Integer.parseInt(z);
							j++;
						}
						for (int n = al.size() - 1; n >= 0; n--) {
							if (al.get(n) == 40) {
								al.remove(n);
								break;
							} else {
								sj.add(0, al.get(n));
								al.remove(n);
							}
						}
						for (int n = 0; n < index; n++) {
							al.addAll(sj);
						}
						sj.clear();

					} else {
						al.add(k);
					}
				}
//				for (int i = 0; i < al.size(); i++) {
//					System.out.print((char) (int) al.get(i));
//				}
				//System.out.println();
				String over = "";
				int sum = 0;
				boolean judge = true;
				for (int i = 0; i < al.size(); i++) {
					over=over+(char)(int)al.get(i);
					if(i+1<al.size()){
						if(al.get(i+1)>=48&&al.get(i+1)<=57){
							String z=(char)(int)al.get(i+1)+"";
							if(hm.get(over)==null){
								judge=false;
								break;
							}else{
								sum=sum+hm.get(over)*Integer.parseInt(z);
								over="";i++;
							}
						}else if(al.get(i+1)>=65&&al.get(i+1)<=90){
							if(hm.get(over)==null){
								judge=false;
								break;
							}else{
								sum=sum+hm.get(over);
								over="";
								
								
							}
						}
						else if(al.get(i+1)>=97&&al.get(i+1)<=122){
							over=over+(char)(int)al.get(i+1);
							if(i+2<al.size()){
								if(al.get(i+2)>=48&&al.get(i+2)<=57){
									String z=(char)(int)al.get(i+2)+"";
									if(hm.get(over)==null){
										judge=false;
										break;
									}else{
										sum=sum+hm.get(over)*Integer.parseInt(z);
										over="";i++;
									}
								}else{
									if(hm.get(over)==null){
										judge=false;
										break;
									}else{
										sum=sum+hm.get(over);
										over="";
										
										
									}
								}
							}else{
								if(hm.get(over)==null){
									judge=false;
									break;
								}else{
									sum=sum+hm.get(over);
									over="";
									
									
								}
							}
							i++;
						}
					}else{
						if(hm.get(over)==null){
							judge=false;
							break;
						}else{
							sum=sum+hm.get(over);
							over="";
							
							
						}
					}
			// System.out.println(sum);
					
				}// System.out.println(sum);
		

				if (judge) {
					System.out.println(sum);
				} else {
					System.out.println("UNKNOWN");
				}

				al.clear();
				sj.clear();

			}
		}
	}

}