Score : $100$ points
This contest, AtCoder Beginner Contest, is abbreviated as ABC.
When we refer to a specific round of ABC, a three-digit number is appended after ABC. For example, ABC680 is the 680th round of ABC.
What is the abbreviation for the $N$-th round of ABC? Write a program to output the answer.
Input is given from Standard Input in the following format:
Print the abbreviation for the $N$-th round of ABC.
The 100th round of ABC is ABC100.