题解 | #奇偶统计#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        //输入一个正整数
        int n = scan.nextInt();
        //累积偶数的个数
        int osSum = 0;
        //累积奇数的个数
        int jsSum = 0;
        
        for(int i = 1; i <= n; i++) {
            if(i % 2 == 1) {
                jsSum++;
            } else {
                osSum++;
            }
        }
        System.out.println(jsSum + " " + osSum);
    }
}