int nilai = 0;//VRBL nilai
int SW1 = 0;//VRBL SW1
int SW2 = 0;//VRBL SW2
void setup() {
  pinMode(13, OUTPUT);//A
  pinMode(12, OUTPUT);//B
  pinMode(11, OUTPUT);//C
  pinMode(10, OUTPUT);//D
  pinMode(9, OUTPUT);//E
  pinMode(8, OUTPUT);//F
  pinMode(7, OUTPUT);//G
  pinMode(6, INPUT);//SW1
  pinMode(5, INPUT);//SW2

}

void loop() {
  SW1 = digitalRead(6);
  SW2 = digitalRead(5);
  delay(100);

  if(SW1 == 0){
    nilai = nilai + 1;
  }
  if(SW2 == 0){
    nilai = nilai -1;
  }

if(nilai == 0){
  //angka 0
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, HIGH);
}

if(nilai == 1){
  //angka 1
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
}

if(nilai == 2){
  // angka 2
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, HIGH);
  digitalWrite(7, LOW);
}

if(nilai == 3){
  //angka 3
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, LOW);
}

if(nilai == 4){
  //angka 4
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
}

if(nilai == 5){
  //angka 5
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
}

if(nilai == 6){
  //angka 6
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
}

if(nilai == 7){
  //angka 7
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
}

if(nilai == 8){
  //angka 8
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
}

if(nilai == 9){
  //angka 9
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
}
 
 if(nilai > 9){
  nilai = 0;
  delay(100);
 }

 if(nilai < 0){
  nilai = 9;
  delay(100);
 }

}