import java.util.Scanner; //import java.lang.String; public class Main { public static void main(String[] args) { Scanner sc= new Scanner(System.in); while(sc.hasNext()) { int n=sc.nextInt(); for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { System.out.print("* "); } System.out.println(); } } } }