1 #include <iostream>
2 #include <algorithm>
3 #include <string>
4
5 using namespace std;
6
7 int main(){
8 int n;
9 cin >> n;
10 string words = "<3",tmp;
11 for(int i = 0 ; i < n ; ++ i){
12 cin >> tmp;
13 words +=tmp+"<3";
14 }
15 string message;
16 cin >> message;
17 if(message.length() < words.length()) cout<<"no"<<endl;
18 else{
19 int k = 0;
20 for(int i = 0 ; i < words.length();){
21 while(k< message.length() && message[k]!=words[i]) k++;
22 if(k >= message.length()){cout<<"no"<<endl; return 0;}
23 else ++i;
24 }
25 cout<<"yes"<<endl;
26 }
27 }
