/* 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
	{
		System.out.println(missingChar("kitten", 1));
		System.out.println(missingChar("kitten", 0));
		System.out.println(missingChar("kitten", 4));
	}
	
	public static String missingChar(String s, int i) {
		return s.substring(0, i) + s.substring(i + 1);
	}
}