#include <iostream>
#include <algorithm>
using namespace std;
bool isPalindrome(const std::string& s) {
return equal(s.begin(), s.begin()+s.length()/2, s.rbegin());
}
int main() {
string w;
while(cin>>w) {
cout << w << (isPalindrome(w)?" palindrom":" ----") << endl;
}
return 0;
}
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