백준 - 1001번

백준 - 1001번

import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
 
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		scanner.close();
		System.out.println(a-b);
 
		
	}
}