2043. 서랍의 비밀번호. D1

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
 
public class Solution {
 
    public static void main(String[] args) throws NumberFormatException, IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st =new StringTokenizer(br.readLine());
        
        int[] intArr =  new int[2];
        for(int i=0;i<2;i++) {
            int num = Integer.parseInt(st.nextToken());
            intArr[i]=num;
        }
        int count=0;
        for(int i=intArr[1];i<=intArr[0];i++) {
            count++;
        }
        System.out.println(count);
    }
}