/* 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) {
		String text = "[49,54545. 45,434324]";
    	StringBuilder builder = new StringBuilder();
        for(int i = 0; i < text.length(); i++) {
            builder.append(text.charAt(i) != '[' && text.charAt(i) != ']' ? text.charAt(i) : "");
        }
        String newStr = builder.toString();
        System.out.println(newStr);
	}
}

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