Case #1:
The actual year is 2141.

Case #2:
Unknown bugs detected.

Case #3:
The actual year is 9999.

Case #4:
Unknown bugs detected.

Case #5:
The actual year is 0.

Case #6:
Unknown bugs detected.

Case #7:
The actual year is 401.

Case #8:
The actual year is 9998.

Case #9:
The actual year is 9999.

Case #10:
Unknown bugs detected.

Case #11:
The actual year is 100.

Case #12:
Unknown bugs detected.

Case #13:
The actual year is 9950.