#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
using ll=long long;
using pii=pair<int,int>;
using vi=vector<int>;
using vl=vector<ll>;
#define pb push_back
#define all(a) begin(a),end(a)

const int N=300010,MOD=1e9+7;
const char en='\n';
const ll LLINF=1ll<<60;

int n;
string s,h;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>s;
	if (s=="Alisa")
	{
		cin>>h>>n;
		int u=n/h.size();
		vi sta;
		for (int i=0;i<n;++i)
		{
			int x;
			cin>>x;
			if (i/u<(int)h.size() && x%52==(h[i/u]-'a')*2+(i/u)%2) sta.pb(x);
		}
		cout<<sta.size()<<en;
		for (auto x: sta) cout<<x<<' ';
		cout<<en;
	}
	else
	{
		cin>>n;
		vi v(n);
		for (auto&x: v) cin>>x;
		for (int i=0;i<n;++i) if (i==0 || v[i]%52!=v[i-1]%52) cout<<char((v[i]%52)/2+'a');
		cout<<en;
	}
}