#include
#include
using namespace std;
int main()
{
string s;
bool Palindrom = true;
getline(cin, s);
for (int i = 0; i < s.size() / 2; i++) {
if (s != s[s.size() - i - 1]) {
Palindrom = false;
break;
}
}
if (Palindrom = true) {
cout << "yes";
}
else cout << "no";
return 0;
}
#include
using namespace std;
int main()
{
string s;
bool Palindrom = true;
getline(cin, s);
for (int i = 0; i < s.size() / 2; i++) {
if (s != s[s.size() - i - 1]) {
Palindrom = false;
break;
}
}
if (Palindrom = true) {
cout << "yes";
}
else cout << "no";
return 0;
}