import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        String oldString = "IyouSwathe";
        String insertString = "Love";
        int index = 0;
        System.out.println("Modified String: "+stringintro(oldString,insertString, index));
    }
    public static String stringintro(String oldString,String insertString,int index){
        String newString = new String();        
        for (int i=0; i<oldString.length(); i++){
            
            newString += oldString.charAt(i);
            if (i==index){
                newString += insertString;    
            }
        }
        return newString;


    }
}