RectangleOfNxNStars

import java.util.Scanner;

public class RectangleOfNxNStars {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        int n = Integer.parseInt(console.nextLine());
        for (int i = 0; i < n; i++) {
            System.out.println(repeatStr("*", n));
        }
    }
    static String repeatStr(String str, int count) {
        StringBuilder repeated = new StringBuilder();
        for (int i = 0; i < count; i++) {
            repeated.append(str);
        }
        return repeated.toString();
    }
}