import java.io.PrintStream;
import java.util.Scanner;

public class LineOfStars 
{
    public static void main(String[] args) 
    {
	Scanner input = new Scanner(System.in);
	PrintStream output = System.out;
		
	output.print("Enter a nonnegative integer: ");
	int number = input.nextInt();

	for (int i = 0; i < number; i++) 
	{
	    output.print("*");
	}
    }
}