题目描述
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 ≤ N ≤ 999
-----Input-----
Input is given from Standard Input in the following format:
N
-----Output-----
Print the abbreviation for the N-th round of ABC.
-----Sample Input-----
100
-----Sample Output-----
ABC100
The 100th round of ABC is ABC100.
输入格式
见题面
输出格式
见题面
样例输入
100
样例输出
ABC100