#include<cstdio>

#define For(i, n) for(int i = 0; i<(n); ++i)

int A[147], n, m, x;

int main(){
    scanf("%d", &n);
    For(i,n) {
        For(j, n-i-1) printf(" ");
        For(j, 2*i+1) printf("*");
        For(j, n-i-1) printf(" ");
        printf("\n");
    }
}