#include <stdio.h>

int main(void)
{
        int height = 0;

        while (height < 1 || height > 23)
        {
                printf("Height: ");
                scanf("%d", &height);
        }

        for (int i = 0; i < height; i++)
        {
                for (int j = 0; j < height - i - 1; j++)
                        printf(" ");

                for (int j = 0; j < i + 1; j++)
                        printf("#");
                printf("#\n");
        }

return 0;
}