ExchangeIfGreater

import java.text.DecimalFormat;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double firstNum = scanner.nextDouble();
        double secondNum = scanner.nextDouble();
        double Num =0;
        DecimalFormat df = new DecimalFormat("0.#");

        if(firstNum > secondNum){
            Num = firstNum;
            firstNum = secondNum;
            secondNum = Num;

            System.out.println(df.format(firstNum)+ " " +df.format(secondNum));
        }else if(firstNum < secondNum){
            System.out.println(df.format(firstNum)+ " " +df.format(secondNum));
        }else{
            System.out.println(df.format(firstNum)+ " " +df.format(secondNum));
        }
    }
}