bonzrank

kata = input().lower()
def is_pangram(kata):
    c = 0
    alphabet = "abcdefghijklmnopqrstuvwxyz"
    kataHuruf = ""
    for char in kata:
        for letter in alphabet:
            if char == letter and char not in kataHuruf:
                kataHuruf += char
    for char in kataHuruf:
        for letter in alphabet:
            if char == letter:
                c += 1
    if c == 26:
        return True
    else:
        return False

if(is_pangram(kata)):
    print("pangram")
else:
    print("not pangram")