Here at the Concerned Citizens of Commerce (CCC), we have noted that
telemarketers like to use seven-digit phone numbers where the last four
digits have three properties. Looking just at the last four digits,
these properties are:

• the first of these four digits is an 8 or 9;

• the last digit is an 8 or 9;

• the second and third digits are the same.

For example, if the last four digits of the telephone number are
8229, 8338, or 9008, these are telemarketer numbers.

Write a program to decide if a telephone number is a telemarketer
number or not, based on the last four digits. If the number is not a
telemarketer number, we should answer the phone, and otherwise, we
should ignore it.

The input will be 4 lines where each line contains exactly one digit in
the range from \(0\) to \(9\).

Output either ignore if the number matches the
pattern for a telemarketer number; otherwise, output
answer.

생성자가 기록되지 않았습니다.

출처 CCC 2018 Junior