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