#include<bits/stdc++.h>

using namespace std;

int main(){
    int a, b, c, d, e;
    cin >> a >> b >> c >> d >> e;

    string s, s1[7005], s2[7005];
    int n = 0;

    while (cin >> s) {
        n++;
        s1[n] = s;
        if (s == "MOV") {
            cin >> s2[n];
        }
        if (s == "XCHG") {
            cin >> s2[n];
        }
        if (s == "LOOP") {
            cin >> s2[n];
        }
        if (s == "EXIT") {
           break;
        }
    }

    map <string, int> mp;
    map <char, int> rg;

    for (int i = 1; i <= n; i++) {
        if (s1[i][0] == ':') {
            mp[s1[i]] = i;
        }
    }

    long long ans = 0;

    for (int i = 1; i <= n; i++) {
        if (s1[i] == "LOOP") {
            ans += c;
        }
        if (s1[i] == "LOOP" && rg['C'] > 0) {
            i = mp[':' + s2[i]];
            rg['C']--;
        }
        if (s1[i] == "MOV") {
            ans += a;
            char rgA = s2[i][0];
            if (isdigit(s2[i][2])) {
                int num = 0;
                for (int j = 2; j < s2[i].size(); j++) {
                    num *= 10;
                    num += s2[i][j] - '0';
                }
                rg[rgA] = num;
            } else {
                char rgB = s2[i][2];
                rg[rgA] = rg[rgB];
            }
        }
        if (s1[i] == "XCHG") {
            ans += b;
            char rgA = s2[i][0];
            char rgB = s2[i][2];
            swap(rg[rgA], rg[rgB]);
        }
        if (s1[i] == "NOP") ans += d;
        if (s1[i] == "EXIT") ans += e;
    }

    cout << ans << endl;
}