class M{
	public static void main(String[] a){
		System.out.println(c("Hello, World!"));
		System.out.println(c("lorem ipsum dolor sit amet."));
		System.out.println(c("We praise the Goat God!"));
		System.out.println(c("I have a pen"));
		System.out.println(c("0123456789_"));
		System.out.println(c("0te_st1"));
	}
 
	static String c(String s){String r="",z="e([^e]|$)";char p=0;int x;for(char c:s.toCharArray()){x=c&~32;p=x>64&x<91?p==66?'l':p>100&p<109?'e':66:c;r+=p;}return r.replaceAll("l"+z,"lt$1").replaceAll(z,"et$1");}
}

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