#include<stdio.h>
int main()
{
int n;
scanf("%d",&n);
if(n<=0 || n>10 || n%2 == 0)
{
    printf("Invalid Input");
}
else
{
    for (int i=n;i >=1; i-=2)
    {
        int spaces = (n-i)/2;
        for(int s=0; s<spaces;s++)
        {
            printf(" ");
            
        }
        for (int j=0;j<i;j++)
        {
            printf("*");
        }
        printf("\n")
    }
}

    return 0;
}