p03643 AtCoder Beginner Contest 068 - ABCxxx
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.

Examples

Input

100


Output

ABC100


Input

425


Output

ABC425


Input

999


Output

ABC999
```python
S = input()
print("ABC"+S)
```