def createAsciModel():
    a=97
    z=122
    res = []
    while(True):
        if(a>z):
            break
        res.append(a)
        a= a+1
    return res

def checkAsciModel(record, asciModel):
    for idx in range(len(asciModel)):
        asci = asciModel[idx]
        if asci == (ord(record)):
            return idx
def checkPangram(lowerCase, createAsciModel):
    asciModel = createAsciModel
    for records in lowerCase:
        idx = checkAsciModel(records,asciModel)
        if not idx and idx != 0:
            continue
        asciModel.pop(idx)
    return asciModel

def pangrams(s):
    # Write your code here
    lowerCase = s.lower()
    asciModel = createAsciModel()
    pangram = checkPangram(lowerCase, asciModel)
    if len(pangram)>0:
        return 'not pangram'
    return 'pangram'