String Pureness

num_of_strings = int(input())
string_name = ""
ch_1 = ","
ch_2 = "."
ch_3 = "_"
for i in range(num_of_strings):
    word = input()
    string_name = word
    if ch_1 in word:
        print(f"{string_name} is not pure!")
    elif ch_2 in word:
        print(f"{string_name} is not pure!")
    elif ch_3 in word:
        print(f"{string_name} is not pure!")
    else:
        print(f"{string_name} is pure.")