panagram

#include <iostream>
#include <string>
#include <cctype>

using namespace std;

string checkPangram(const string& sentence) {
    bool letters[26] = {false}; 

    for (char ch : sentence) {
        if (isalpha(ch)) {
            int index = tolower(ch) - 'a';
            letters[index] = true; // Mark this letter as present
        }
    }

    for (bool present : letters) {
        if (!present) {
            return "not pangram";
        }
    }

    return "pangram";
}

int main() {
    string input;
    getline(cin, input);
    cout << checkPangram(input) << endl;
    return 0;
}