/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
String letter
= a
[0]; a
[0] = a
[1]; a
[1] = letter
; System.
out.
println(a
[0] + a
[1] + b
[0] + b
[1] + c
[0] + c
[1]); }
}
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