package com.javarush.task.task04.task0417;
/*
Существует ли пара?
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader (new InputStreamReader (System.in));
String a1 = br.readLine();
String b1 = br.readLine();
String c1 = br.readLine();
int a = Integer.parseInt(a1);
int b = Integer.parseInt(b1);
int c = Integer.parseInt(c1);
if (a==b)
System.out.println(a+b);
else {
if (a==c){
System.out.print (a +" ");
System.out.println (b); }
else {
if (b==c){
System.out.print (b+" ");
System.out.println (c);
}
else
if ((a==b)&(b==c)){
System.out.print (a+" ");
System.out.print (b+" ");
System.out.println (c);
}
}
}
}
}