import java.util.Scanner;

public class OutputCombinations $\{$

public static void main$($String$[]$ args$)\{$

Scanner scnr $=$ new Scanner$($System$.$in$)$;

char a;

char b;

char c;

a $=$ scnr$.$next$().$charAt$(0)$;

b $=$ scnr$.$next$().$charAt$(0)$;

c $=$ scnr$.$next$().$charAt$(0)$;

$/*$ Your solution goes here $*/$

$\}$

$\}$