public static String pangrams(String s) {
  boolean[] alphabet = new boolean[26];

  for (int i = 0; i < s.length(); i++) {
    if (s.charAt(i) >= 'a' && s.charAt(i) <= 'z') {
      System.out.println(s.charAt(i) - 'a');
      alphabet[(s.charAt(i) - 'a')] = true;
    } else if (s.charAt(i) >= 'A' && s.charAt(i) <= 'Z') {
      alphabet[s.charAt(i) - 'A'] = true;
    }
  }
  for (int i = 0; i < alphabet.length; i++) {
    if (!alphabet[i]) {
      return "not pangram";
    }
  }
  return "pangram";
}

#include <bits/stdc++.h>

using namespace std;

int main()
{
    string s;
    getline(cin, s);
    vector<int> c(26, 0);
    for(int i = 0; i < s.size(); i++){
        if(s[i] != ' ')
        c[tolower(s[i]) - 'a']++;
    }
    string r = "pangram";
    for(int i = 0; i < c.size(); i++){
        if(c[i] == 0){
            r = "not " + r;
            break;
        }
    }
    cout << r ;
    return 0;
}

public static String pangrams(String s) {
        
        Set<Character> chars = new HashSet<>();
        
        for (char c : s.toLowerCase().toCharArray()) {
            if (c >= 'a' && c <= 'z') {
                chars.add(c);    
            }
        }
        
        return chars.size() == 26 ? "pangram" : "not pangram";
    }

def pangrams(s):
    for i in range(97,123):
        if chr(i) not in s.lower():
            return 'not pangram'
    return 'pangram'

def pangrams(s):
    return 'pangram' if len(set(s.lower()+' '))==27 else 'not pangram'

def pangrams(s):
    h='abcdefghijklmnopqrstuvwxyz'
    for i in h:
        if i not in s.lower():
            return 'not pangram'
    return 'pangram'