# include<stdio.h>
int main()
{
    int n,i;
    scanf("%d",&n);
    if(n<1||n>10)
    {
        printf("Invalid Input");
    }
    for (i=0;i<n;i++){
        for(int space=1;space<=n-i;space++)
        {
            printf(" ");
            
        }
        for(int star=1;star<=n-i; star++){
            printf("*");
        }
        printf("\n");
    }
    for (i=0;i<n;i--){
        for(int space=1;space<=n-i;space++)
        {
            printf(" ");
            
        }
        for(int star=1;star<=n-i; star++){
            printf("*");
        }
        printf("\n");
    }
    return 0;
}