#include<stdio.h>

void print_inverted_pyramid(int n)
{
if(n%2==0)
printf("Invalid Input");
return;
}

for
(int i=n;i>= 1;i==2){
    for(int j =0;j <(n-i)/2;j++)
    { 
        printf(" ");
        
    }
    for (int j=0;j<i;j++){
        printf("*");
    }
    printf("\n");
}
    }   
    int main(){
        int n;
        scanf("%d",&n);
        print_inverted_pyramaid(n)
        return 0;
}