#include<stdio.h>

int main() {
    int n;
    scanf("%d", &n);
    
    if (n < 1 || n > 10){
        printf("Invalid Input");
        return 0;
    }
    
    for (int i = 1; i <= n; i++){
        for(int s=1;s<= n - i;s++){
            printf(" ");
        }
        for (int j = 1; j <=i; j++){
            printf("*");
        }
        printf("\n");
    }
    
    for (int i = n- 1;i >= 1; i--){
        for(int s=1;s<= n - i;s++){
            printf(" ");
        }
        for (int j = 1; j <= i; j++){
            printf("*");
        }
        printf("\n");
    }
    retur
}