글 작성자: 취업중인 피터팬
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https://solved.ac/problems/level

 

solved.ac - 문제

 

solved.ac

 

정답

import java.util.*;

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