// editor1
#include <stdio.h>
int main () {
    int n;
    if(scanf("%d",&n)!=1) return 0;
    if(n < 1 || n > 10) {
        printf("Invalid input");
        return 0;
    }
    
        for (int i = 1; i <= n; i++) {
            for (int j = 0; j<n-i; j++) {
                printf(" ");
            }
            for (int k = 0; k< i; k++) {
                printf("*");
            }
            printf("\n");
        }
        
        for (int i=n-1; i >= 1; i--) {
            for (int j=0;j<n-1; j++) {
                printf(" ");
            }
             for (int k = 0; j<i; k++) {
                printf("*");
             }
            printf("\n");
    }
    return 0;
}