题解 | #奇偶统计#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
      Scanner scan = new Scanner(System.in);
      int n = scan.nextInt();
      int osSum = 0;
      int jsSum =0;
      for (int i =1;i<=n;i++){
        if(i%2==1){
            jsSum++;
        }else{
            osSum++;
        }
      }
      System.out.println(jsSum+" "+osSum);
    }
}