#include <bits/stdc++.h>
using namespace std;
const int N =2e5+10;
map<string,int> mp;
int f[N];
int main()
{
    ios::sync_with_stdio(false);
    cout.tie(nullptr), cin.tie(nullptr);
    string tp;
    string s;
    int res =0;
    f[0] =1;
    while(cin>>tp){
        if(tp==".") break;
        mp[tp] =1;
    }
    while(cin>>tp){
        s +=tp;
    }
    s =" "+s;
    int len = s.size()-1;
    for(int i=0;i<=len;i++){
        if(!f[i]) continue;
        int maxj = min(i+10,len);
        for(int j=1;j<=maxj;j++){
            string str1 = s.substr(i+1,j);
            if(mp[str1] ==1){
                f[i+j] = 1;
                res = max(res,i+j);
            }
            //cout<<str1<<endl;
        }   
    }
    cout<<res;
    return 0;
}