warum
Danke vorab
package de.codegym.task.task04.task0417;
/*
Haben wir ein Paar?
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
//schreib hier deinen Code
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String z = reader.readLine();
String x = reader.readLine();
String y = reader.readLine();
int a = Integer.parseInt(z);
int b = Integer.parseInt(x);
int c = Integer.parseInt(y);
if (a==b&&b==c){
System.out.println(a+" "+b+" "+c);
} else if (a==b){
System.out.println(a+" "+b);
} else if (a==c){
System.out.println(a+" "+c);
} else if (b==c){
System.out.println(b+" "+c);
} else if (a!=b&&b!=c&&a!=c){
System.out.println("");
}
}
}