#include <iostream>
using namespace std;
bool string_start_and_end_match(string s, string match) {
int s_len = s.length();
int match_len = match.length();
if (s_len < match_len)
return false;
return (s.substr(0, match_len).compare(match) == 0 &&
s.substr(s_len - match_len, match_len).compare(match) == 0);
}
int main()
{
string s = "java c c++ python java";
string match = "java";
if (string_start_and_end_match(s, match))
cout << "Yes";
else
cout << "No";
return 0;
}
/*
run:
Yes
*/