import java.util.Scanner;

public class Replicator{
    public static String monista(String word, int num) {
        String empty = "";
        if (num <= 1){
            return empty;
        }
        if (num == 1){
            return word;
        }
        else {
            return (word + ", " + monista(word, num - 1));
        }
    }

    public static void main(String [] args){
        Scanner reader = new Scanner(System.in);
        System.out.println("Hello! I replicate strings.");
        System.out.println("Please, enter a string:");
        String word = reader.nextLine();
        System.out.println("Please, enter the number of replications:");
        int num = reader.nextInt();
        String replicated = monista(word, num);
        if (replicated == ""){
            System.out.println("Error!");
        } else {
            System.out.println(replicated);
        }
    }
}