#include <stdio.h>

/*
void ft_putchar(void) //in ft_putchar.c
{

}
*/

void rush(int x, int y) //in rush04.c
{
    int id_x = 0;
    int id_y = 0;
    while(id_y++ <= y)
    {
        while(id_x++ <= x)
        {
            if(id_y == 1)
            {
                if(id_x == 1)
                    write(1, 'A', 1);
                else if(id_x == x)
                    write(1, 'C', 1);
                else
                    write(1, 'B', 1);
            }
            else if(id_y == y)
            {
                if(id_x == 1)
                    write(1, 'C', 1);
                else if(id_x == x)
                    write(1, 'A', 1);
                else
                    write(1, 'B', 1);
            }
            else
            {
                if(id_x == 1 || id_x == x)
                    write(1, 'B', 1);
                else
                    write(1, " ", 1);
            }
        }
    }
}

int main() { //will be modified during defense
    rush(5,4);

    return (0);
}