// do/while, enum constants, and a C cast
typecheck on;
enum color { RED, GREEN = 5, BLUE };
fn main() {
	int n = 0, i = 0;
	do {
		i++;
		if (i == 2) continue;
		n = n + i;
	} while (i < 5);
	int* p = (int*)0;
	int z = (int)p;
	put_n(n); put_c(' ');
	put_n(RED); put_c(' '); put_n(GREEN); put_c(' ');
	put_n(BLUE); put_c(' ');
	put_n(z); put_c(10);
	return 0;
}