#define A 3
#define B 2
#define S 9
#define C 8
void setup() {
pinMode(A, INPUT_PULLUP);
pinMode(B, INPUT_PULLUP);
pinMode(C, OUTPUT);
pinMode(S, OUTPUT);
}
void loop() {
int a = !digitalRead(3);
int b = !digitalRead(2);
int s = a ^ b;
int c = a && b;
if (s == HIGH) {
digitalWrite(S, 1);
delay(1);
digitalWrite(S, 0);
}
if (c == HIGH) {
digitalWrite(C, 1);
delay(1);
digitalWrite(C, 0);
}
}
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