#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 = 1; j <=n-i; j++) {
            printf(" ");
        }
        for (int j = 1; j <=n-i; j++) {
            printf("*");
        }
        printf("\n");
    } for (int i = 1; i <= n; i--) {
        for (int j = 1; j <=n-i; j++) {
            printf(" ");
        }
        for (int j=1;j<=i;j++){
            printf("*");
        }
        printf("\n");
        return 0;
    }