#include<stdio.h>
void main()
{
	int n;
	scanf("%d",&n);
	int a;//hang上半部分 
	for(a=1;a<=(n+1)/2;a++){
		
		int b;//kongge
		for(b=1;b<=a-1;b++){
			printf(" ");
		}
		int c;
		for(c=1;c<=n;c++){
			printf("*");
		}
	printf("\n");
	}
	//下半部分
	int d;
	for(d=1;d<=n/2;d++){
		
		int e=1;//kongge
		for(;e<=n/2-d;e++){
			printf(" "); 
		}
		int c;
		for(c=1;c<=n;c++){
			printf("*");
		}
		printf("\n");
	}
	 
}
/**************************************************************
	Problem: 1219
	User: admin
	Language: C
	Result: Accepted
	Time:11 ms
	Memory:1144 kb
****************************************************************/