/* code optim dce */
int main(void) {
	int a;
	int b;
	int c;
	int d;
	a = 1;
	b = 1;
	c = 1;
	d = 1;
	c = a + a;
	b = a + a;
	(a + b) + (c + d);
	return 0;
}