/* 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
	{
		StringBuilder sb = new StringBuilder("Hello, how are you?\nFine thanks!\nOk, Perfect...");
        int last = sb.lastIndexOf("\n");
        if (last >= 0) { sb.delete(last, sb.length()); }
        System.out.println(sb.toString());
	}
}

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