K. Guessing Game
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

This is a history major's nightmare!

Hint: $$$\color{white}{\text{The present is built upon the results of the past.}}$$$

Please submit your answer in all caps.

Example
Input
the answer to this puzzle!
Output
[REDACTED]