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