#if __has_include("../library/Basic/Debug.hpp")

#include "../library/Basic/Debug.hpp"

#else

/* ----- Header Files ----- */
// IO
#include <cstdio>
#include <iomanip>
#include <ios>
#include <iostream>

// algorithm
#include <algorithm>
#include <cmath>
#include <numeric>

// container
#include <vector>
#include <string>
#include <tuple>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>

// others
#include <random>
#include <limits>
#include <functional>
#include <ctime>
#include <cassert>
#include <cstdint>


/* ----- Type Alias ----- */
using Bool = bool;
using Int = long long int;
using Real = long double;
using Char = char;
using String = std::string;
template <class... Ts>
using Tuple = std::tuple<Ts...>;

template <class T>
using Vector = std::vector<T>;
template <class T>
using Matrix = Vector<Vector<T>>;
template <class T>
using Queue = std::queue<T>;
template <class T>
using Stack = std::stack<T>;
template <class T>
using Deque = std::deque<T>;

template <class T>
using MaxHeap = std::priority_queue<T>;
template <class T>
using MinHeap = std::priority_queue<T, std::vector<T>, std::greater<T>>;
template <class T>
using Set = std::set<T>;
template <class T, class U>
using Map = std::map<T, U>;

template <class T, class... Us>
using Func = std::function<T(Us...)>;

template <class T>
T genv(T v) { return v; }

template <class T, class... Ts>
auto genv(size_t l, Ts... ts) {
    return Vector<decltype(genv<T>(ts...))>(l, genv<T>(ts...));
}

template <class Cost = Int>
struct Edge {
    Int src, dst;
    Cost cost;
    Edge(Int src = -1, Int dst = -1, Cost cost = 1)
        : src(src), dst(dst), cost(cost){};

    bool operator<(const Edge<Cost>& e) const { return this->cost < e.cost; }
    bool operator>(const Edge<Cost>& e) const { return this->cost > e.cost; }
};

template <class Cost = Int>
using Edges = Vector<Edge<Cost>>;
template <class Cost = Int>
using Graph = Vector<Vector<Edge<Cost>>>;

#endif

/* ----- Misc ----- */
void fastio() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
}

struct Fout {
    Int precision;
    Fout(Int precision) : precision(precision) {}
};
std::ostream& operator<<(std::ostream& os, const Fout& fio) {
    os << std::fixed << std::setprecision(fio.precision);
    return os;
}


/* ----- Constants ----- */
// constexpr Int INF = std::numeric_limits<Int>::max() / 3;
// constexpr Int MOD = 1000000007;
// constexpr Real PI = acos(-1);
// constexpr Real EPS = 1e-10;
// std::mt19937 mt(int(std::time(nullptr)));

struct {
    Map<String, Int> mass;
    String s;
    Int i;
    Bool unknown;

    Int number() {
        Int ret = 0;
        while (std::isdigit(s[i])) {
            ret = ret * 10 + (s[i++] - '0');
        }
        return ret;
    }

    Int molecule() {
        Int ret = 0;
        while (s[i] != ')') {
            if (s[i] == '(') {
                ++i;
                Int m = molecule();
                assert(s[i] == ')');
                ++i;
                Int n = number();
                ret += m * n;
            } else {
                assert(std::isupper(s[i]));
                String x;
                x.push_back(s[i++]);
                if (std::islower(s[i])) {
                    x.push_back(s[i++]);
                }

                Int m = 0;
                if (!mass.count(x)) {
                    unknown = true;
                } else {
                    m = mass[x];
                }

                if (std::isdigit(s[i])) {
                    m *= number();
                }
                ret += m;
            }
        }
        return ret;
    }

    Int operator()() {
        i = 0;
        unknown = false;
        return molecule();
    }
} parser;

int main() {
    while (true) {
        String s;
        std::cin >> s;
        if (s == "END_OF_FIRST_PART") break;
        std::cin >> parser.mass[s];
    }

    while (true) {
        std::cin >> parser.s;
        if (parser.s == "0") break;
        parser.s.push_back(')');

        Int ans = parser();
        if (parser.unknown) {
            std::cout << "UNKNOWN" << std::endl;
        } else {
            std::cout << ans << std::endl;
        }
    }
    return 0;
}



Measured memory_bytes: 3108