/* package whatever; // don't place package name! */
class Main{
return i.replaceAll("(.)(?!\\1)(?i)\\1", "$1");
}
public static void main
(String[] a
){ System.
out.
println(c
("bBaAdD")); System.
out.
println(c
("NniIcCeE")); System.
out.
println(c
("Tt eE Ss tT")); System.
out.
println(c
("sS Ee tT")); System.
out.
println(c
("1!1!1sStT!")); System.
out.
println(c
("nN00bB")); System.
out.
println(c
("(eE.gG.)")); System.
out.
println(c
("Hh3lL|@!")); System.
out.
println(c
("aaaaa")); System.
out.
println(c
("aaAaa")); }
}
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