можно объяснения как это решить
package com.javarush.task.task04.task0420;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Сортировка трех чисел
*/
public class Solution {
public static void main(String[] args) throws Exception {
//напишите тут ваш код
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String a1 = reader.readLine();
String a2 = reader.readLine();
String a3 = reader.readLine();
int a = Integer.parseInt(a1);
int b = Integer.parseInt(a2);
int c = Integer.parseInt(a3);
if(a < b || b < c)
System.out.println(c + " " + b + " " +a);
else if (a < c || c < b)
System.out.println(b + " " + c + " " + a);
else if (b < a || a < c)
System.out.println(c + " " + a + " " + b);
else if (b < c || c < a)
System.out.println(a + " " + c + " " +b);
else if (c < a || a < b)
System.out.println(b + " " + a + " " + c);
else if (c < b || b < a)
System.out.println(a + " " + b + " " + c);
else if(a==b || b==c)
System.out.println(a);
}
}