Program Antrian Puskesmas

const int layananA = 22;
const int layananB = 23;
const int cs1a = 41;
const int cs2a = 42;
const int cs1b = 43;
const int cs2b = 44;
const int reset = 24;

int a = 0, b = 0, i = 0, j = 0;
int k = 0, l = 0;
int sisa1 = 0;
int sisa2 = 0;

void setup(){
  Serial.begin(9600);
  pinMode(layananA, INPUT);
  pinMode(layananB, INPUT);
  pinMode(cs1a, INPUT);
  pinMode(cs2a, INPUT);
  pinMode(cs1b, INPUT);
  pinMode(cs2b, INPUT);
  pinMode(reset, INPUT);
}

void loop(){
  if(digitalRead(layananA) == HIGH){
     Serial.print("Layanan A");
     a = a+1;
     Serial.println(a);
     Serial.print("Sisa antrian ");
     sisa1 = (a-i)-1;
     Serial.println(sisa1);
     delay(1000);
  } else if(digitalRead(layananB) == HIGH){
     Serial.print("Layanan B");
     b = b+1;
     Serial.println(b);
      Serial.print("Sisa antrian  ");
     sisa2 = (b-k)-1;
     Serial.println(sisa2);
     delay(1000);
  } else if(digitalRead(reset) == HIGH){
    Serial.println("Telah direset");
    a = 0; b = 0; i = 0; j = 0; k = 0; l = 0;
    delay(1000);
  }

  if(digitalRead(cs1a) == HIGH){
   if(i<a){
    Serial.print("A");
    i = i+1;
    Serial.println(i);
    j = i;
    delay(1000);
   }
  }

  if(digitalRead(cs2a) == HIGH){
   if(j<a){
    Serial.print("A");
    j = j+1;
    Serial.println(j);
    delay(1000);
    i = j;
   }
  }

if(digitalRead(cs1b) == HIGH){
   if(k<b){
    Serial.print("B");
    k = k+1;
    Serial.println(k);
    l = k;
    delay(1000);
   }
  }

  if(digitalRead(cs2b) == HIGH){
   if(l<b){
    Serial.print("B");
    l = l+1;
    Serial.println(l);
    delay(1000);
    k = l;
   }
  }


}