#include<bits/stdc++.h>
#define N 10000
using namespace std;
int n;
string person,s;
mt19937 rnd(time(0));
inline void Alisa()
{
	cin>>s;scanf("%d",&n);
	__int128 val=0;
	for(char x:s) val=val*27+x-'a'+1;
	vector<int> ans;
	for(int i=1,a;i<=n;++i)
	{
		scanf("%d",&a);
		if(val>>(a%77)&1) ans.push_back(a);
	}
	printf("%d\n",(int)ans.size());
	for(int x:ans) printf("%d ",x);
	putchar('\n');
}
inline void Eva()
{
	scanf("%d",&n);
	__int128 val=0;
	for(int i=1,a;i<=n;++i)
		scanf("%d",&a),val|=(__int128)1<<(a%77);
	for(;val;val/=27) s.push_back(val%27-1+'a');
	reverse(s.begin(),s.end());
	cout<<s<<endl;
}
int main()
{
	cin>>person;
	person=="Alisa"?Alisa():Eva();
	return 0;
}