/* 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
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String input = "case 1 is good [phy][hu][get] my dog is [hy][iu][put] [phy][hu][gotcha]";
		String result = input.replaceAll("\\[phy]\\[[^\\]\\[]*]\\[([^\\]\\[]*)]", "$1");
		System.out.println(result);
	}
}

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