Problem:
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 ≤ 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 1

100

Sample Output 1

ABC100

The 100th round of ABC is ABC100.

Sample Input 2

425

Sample Output 2

ABC425

Sample Input 3

999

Sample Output 3

ABC999

Solution in Go (1.6) (judge verdict: Accepted)

// Package main provides
//
// File:  a.go
// Author: ymiyamoto
//
// Created on Thu Jan 10 22:05:06 2019
//
package main

import "fmt"

func main() {
	var N int
	fmt.Scan(&N)
	fmt.Printf("ABC%03d\n", N)
}