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문제

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코드

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import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		
		long a = sc.nextInt();
		long b = sc.nextInt();
		
		long result = (a+b) * (a-b);
		
		System.out.println(result);
		
		sc.close();
	}

}