def pangrams(s):
    s = set(s.lower().replace(" ", ""))
    
    if(len(s) == 26):
        return "pangram"
    else:
        return "not pangram"

s = input()

result = pangrams(s)

print(result)

# Pangrams 🔤
def pangrams(s):
    alphabet = set('abcdefghijklmnopqrstuvwxyz')
    i = 0
    length = len(s)
    while len(alphabet) > 0 and i < length:
        alphabet.discard(s[i].lower())
        i+=1
    return "pangram" if len(alphabet) == 0 else "not pangram"

    # Write your code here
  
    inp= set(s.lower().replace(" ",""))
    if len(inp)==26:
        return "pangram"
    else: 
        return "not pangram"
    

    public static String pangrams(String s) {
    // Write your code here
        int count[] = new int[26];
        
        for(int i = 0; i < s.length(); i++) {
            char ch = Character.toLowerCase(s.charAt(i));
            if(ch >= 'a' && ch <= 'z') { //small letters
            count[ch - 'a']++;   
            }
        }
        
        for(int i = 0; i < count.length; i++) {
            if(count[i] == 0) {
                return "not pangram";
            }
        }
        return "pangram";
    }

function pangrams(s) {
    s = Array.from(new Set(s.toLowerCase().split("").filter((x)=> x <= 'z' && x >= 'a').join("")))
    console.log(s)
    if(s.length >= 26)
        return "pangram";
    return "not pangram"
}