题解 | #上下取整#

import java.lang.Math;

public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        double a = scan.nextDouble();
        int up = (int) Math.ceil(a);
        int down = (int) Math.floor(a);
        System.out.println(down);
        System.out.println(up);
    }    
}