bool A = LOW;
bool B = LOW;
bool C = LOW;
bool R = LOW;
bool Q1 = LOW;
bool Q2 = LOW;

void setup() {
  // put your setup code here, to run once:


pinMode(2, INPUT);
pinMode(3, INPUT);
pinMode(4, INPUT);
pinMode(12, OUTPUT);
pinMode(13, OUTPUT);
}
void loop() {
  // put your main code here, to run repeatedly:
A =digitalRead(2);
B = digitalRead(3);
C = digitalRead(4);
Q1 = !R && (A||Q1)&&!Q2;
Q2 = !R && (B||Q2) && !Q1;
digitalWrite(12,Q1);
digitalWrite(13,Q2);

}