#include <stdio.h>
int main(void)
{
int n;
while((scanf("%d",&n))!=EOF){
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
if((j==i) || (j==1) || (i==n))
printf("* ");
else printf(" ");
}
printf("\n");
}
}
return 0;
}
int main(void)
{
int n;
while((scanf("%d",&n))!=EOF){
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
if((j==i) || (j==1) || (i==n))
printf("* ");
else printf(" ");
}
printf("\n");
}
}
return 0;
}