#define IR1 PA0
#define IR2 PA1
#define IR3 PA2

#define RELAY1 PA7
#define RELAY2 PA6
#define RELAY3 PA5



void setup() {
  pinMode(IR1, INPUT);
  pinMode(IR2, INPUT);
  pinMode(IR3, INPUT);

  pinMode(RELAY1, OUTPUT);
  pinMode(RELAY2, OUTPUT);
  pinMode(RELAY3, OUTPUT);
}

void loop() {
  digitalWrite(RELAY1, digitalRead(IR3));
  digitalWrite(RELAY2, digitalRead(IR2));
  digitalWrite(RELAY3, digitalRead(IR1));
  // Display result
  delay(100);
}