#include <bits/stdc++.h>
using namespace std;
using ll = __int128_t;

const int N = 1e4 + 100;
const int B=1000000000/75;
char s[N+5];
int f[N+5];
int n;
int a[N+5];
void work_alisa() {
    scanf("%s",s);
    memset(f,0,sizeof f);
    for(int i=0;i<15;i++)
        if(s[i]>='a'){
            int x=s[i]-'a'+1;
            for(int j=0;j<5;j++,x>>=1)
                if(x&1) f[i*5+j]=1;
        }
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        if(!f[a[i]/B]){
            i--; n--;
        }
    }
    printf("%d\n",n);
    for(int i=1;i<=n;i++)
        printf("%d ",a[i]);
    puts("");
}

void work_eva() {
    scanf("%d",&n);
    memset(f,0,sizeof f);
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        f[a[i]/B]=1;
    }
    for(int i=0;i<15;i++){
        s[i]=0;
        for(int j=4;j>=0;j--)
            s[i]=(s[i]<<1)|f[i*5+j];
        //printf("%d ",s[i]);
        if(s[i]>0) s[i]+='a'-1;
    }
    printf("%s\n",s);
}
int main() {
    string who;
    cin >> who;
    if (who[0] == 'A')
        work_alisa();
    else if (who[0] == 'E')
        work_eva();
    return 0;
}