#include<bits/stdc++.h>
#define endl '\n'
#define pii pair<int,int>
#define ll long long
#define ull unsigned long long
#define pb push_back
using namespace std;

ll N,A,B,M,D,H;
string txt;
ll arr_cost[32];

int K;
string arrays[32];
vector<pii> instructions;

ll score()
{
    ll sc=arr_cost[K];
    for(pii i : instructions)
    {
        switch(i.first)
        {
            case 1: sc+=A; break;
            case 2: sc+=B; break;
            case 3:
                {
                    for(int j=1;j<=i.second;j++) sc+=M/j;
                    break;
                }
            case 4: sc+=D; break;
            case 5: sc+=H; break;
            case 6: sc+=H; break;
        }
    }
    return sc;
}

void solve()
{
    K=27;
    for(int i=0;i<K-1;i++) arrays[i]=char('a'+i);
    arrays[26]="_";
    int sz = txt.size();
    if(txt[0]!='a')
    {
        if(txt[0]=='_') instructions.pb({4, 27});
        else instructions.pb({4, txt[0]-'a'+1});
    }
    instructions.pb({3,1});
    for(int i=1;i<sz;i++)
    {
        if(txt[i]!=txt[i-1])
        {
            if(txt[i]=='_') instructions.pb({4, 27});
            else instructions.pb({4, txt[i]-'a'+1});
        }
        instructions.pb({3,1});
    }
}

void read()
{
    cin>>N>>txt>>A>>B>>M>>D>>H;
    for(int i=1;i<28;i++) cin>>arr_cost[i];
}

void write()
{
    cout<<K<<endl;
    for(int i=0;i<K;i++) cout<<arrays[i]<<endl;
    int sz = instructions.size();
    cout<<sz<<endl;
    for(pii i : instructions)
    {
        switch(i.first)
        {
            case 1: cout<<"cl"<<endl; break;
            case 2: cout<<"cr"<<endl; break;
            case 3: cout<<"w "<<i.second<<endl; break;
            case 4: cout<<"cd "<<i.second<<endl; break;
            case 5: cout<<"push"<<endl; break;
            case 6: cout<<"pop"<<endl; break;
        }
    }
}

int main()
{
    freopen("printing.in", "r", stdin); freopen("printing.out", "w", stdout);
    ios_base::sync_with_stdio(0);
    read();
    solve();
    //cout<<score()<<endl;
    write();
    return 0;
}