#include <iostream>
#include <algorithm>
using std::cout;
using std::endl;
using std::string;
int main()
{
string s = "CPHPJAVA";
bool result = std::all_of(s.begin(), s.end(), isupper);
if (result)
cout << "yes" << endl;
else
cout << "no" << endl;
return 0;
}
/*
run:
yes
*/
