#include <stdio.h>

int main() {
    int numb = 0;
  while ( scanf("%d", &numb)==1) {
  
 
    int  m = 2 * (numb - 1);
    for (int i = 0; i < numb; i++) {

        for (int k = 0; k < m; k++) {
            printf(" ");
        }

        for (int j = 0; j <= i; j++) {
            printf("* ");
        }
        m -= 2;
        printf("\n");
    }

 } 
    return 0;

}