#include <stdio.h>
void main(){
	int n;
	scanf("%d",&n);
	int i,j;
	for(i=1;i<=n/2;i++)
	{
		for(j=1;j<=n/2+2-i;j++)
		{
			printf("*");
		}
		printf("\n");
	}
	for(i=1;i<=n/2+1;i++)
	{
		for(j=1;j<=i;j++)
		{
			printf("*");
		}
		printf("\n");
	}

}
/**************************************************************
	Problem: 1230
	User: admin
	Language: C
	Result: Accepted
	Time:10 ms
	Memory:1144 kb
****************************************************************/