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 Java8 (OpenJDK 1.8.0) (judge verdict: Wrong Answer)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        // scanner
        Scanner sc = new Scanner(System.in);

        // ロード
        int N = Integer.parseInt(sc.next());

        // 処理・出力
        int[] mod2Cand = { 64, 32, 16, 8, 4, 2, 1 };
        for (int i = 0; i < mod2Cand.length; i++) {
            if (N >= mod2Cand[i]) {
                System.out.println(mod2Cand[i]);
                sc.close();
                return;
            }
        }

        // scanner
        sc.close();
    }
}