Score : $100$ points

Problem Statement

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.

Constraints

• $100 \leq N \leq 999$

Input

Input is given from Standard Input in the following format:

$N$

Output

Print the abbreviation for the $N$-th round of ABC.

100

ABC100

The 100th round of ABC is ABC100.

425

ABC425

999

ABC999