Codeforces Round #208 (Div. 2) B Dima and Text Messages

#include <iostream>
#include <algorithm>
#include <string>

using namespace std;

int main(){
    int n;
    cin >> n;
    string words = "<3",tmp;
    for(int i = 0 ; i < n ; ++ i){
        cin >> tmp;
        words +=tmp+"<3";
    }
    string message;
    cin >> message;
    if(message.length() < words.length()) cout<<"no"<<endl;
    else{
        int k = 0;
        for(int i = 0 ; i < words.length();){
            while(k< message.length() && message[k]!=words[i]) k++;
            if(k >= message.length()){cout<<"no"<<endl; return 0;}
            else ++i;
        }
        cout<<"yes"<<endl;
    }
}