typedef i9 {}
typedef i27 {}
typedef bool {}
typedef ptr {}

putchar(i9 c)
{
	*i9 p = 19683 as *i9;
	p* = c;
}

main()
{
	for i27 i = 0; i < 5; i = i + 1 {
		putchar('A' + (i as i9));
	}
}