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