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