const int S1 = 6, S2 = 7, S3 = 8;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(S1, INPUT);
pinMode(S2, INPUT);
pinMode(S3, INPUT);
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(2, (digitalRead(S1)==LOW)&&(digitalRead(S2)==LOW)?HIGH:LOW);
digitalWrite(3, (digitalRead(S1)==HIGH)&&(digitalRead(S3)==HIGH)?HIGH:LOW);
digitalWrite(4, (digitalRead(S1)==HIGH)&&(digitalRead(S3)==LOW)?HIGH:LOW);
digitalWrite(5, (digitalRead(S1)==LOW)&&(digitalRead(S2)==HIGH)?HIGH:LOW);
}