Problem:
Score : 100 points

Problem Statement

Given are two strings S and T consisting of lowercase English letters. Concatenate T and S in this order, without space in between, and print the resulting string.

Constraints

S and T are strings consisting of lowercase English letters.

The lengths of S and T are between 1 and 100 (inclusive).

Input

Input is given from Standard Input in the following format:

S T

Output

Print the resulting string.

Sample Input 1

oder atc

Sample Output 1

atcoder

When S = oder and T = atc, concatenating T and S in this order results in atcoder.

Sample Input 2

humu humu

Sample Output 2

humuhumu

Solution in Java8 (OpenJDK 1.8.0) (judge verdict: Runtime Error)

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		long tCookie = scan.nextLong();
		long aCookie = scan.nextLong();
		long count = scan.nextLong();
		scan.close();

		if (count <= tCookie) {
			tCookie -= count;
			System.out.println(tCookie + " " + aCookie);
			return;
		}

		long culc = count - tCookie;
		if (culc >= aCookie) {
			System.out.println("0 0");
			return;
		}

		System.out.println("0 " + (aCookie - count));
	}

}