int nilai = 0; //variabel nilai
int sw1 = 0; //variabel sw1
int sw2 = 0; //variabel 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){
    //----------- 0 ----------
    digitalWrite(13, LOW);//A
    digitalWrite(12, LOW);//B
    digitalWrite(11, LOW);//C
    digitalWrite(10, LOW);//D
    digitalWrite(9, LOW);//E
    digitalWrite(8, LOW);//F
    digitalWrite(7, HIGH);//G
   delay(100);
   digitalWrite(4, LOW);
   digitalWrite(3, LOW);
   digitalWrite(2, LOW);
   digitalWrite(1, LOW);
    //------------------------
  }
  if(nilai == 1){
    //---------- 1 ------------
    digitalWrite(13, HIGH);//A
    digitalWrite(12, LOW);//B
    digitalWrite(11, LOW);//C
    digitalWrite(10, HIGH);//D
    digitalWrite(9, HIGH);//E
    digitalWrite(8, HIGH);//F
    digitalWrite(7, HIGH);//G
    delay(100);
    digitalWrite(4, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(2, LOW);
    digitalWrite(1, LOW);
    //-------------------------
  }
    if(nilai == 2){
    //----------- 2 ----------
    digitalWrite(13, LOW);//A
    digitalWrite(12, LOW);//B
    digitalWrite(11, HIGH);//C
    digitalWrite(10, LOW);//D
    digitalWrite(9, LOW);//E
    digitalWrite(8, HIGH);//F
    digitalWrite(7, LOW);//G
    delay(100);
    digitalWrite(4, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(2, LOW);
    digitalWrite(1, LOW);
    //------------------------
  }


if(nilai ==3){
//3
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, LOW);//G
  delay(100);
  digitalWrite(4, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(2, LOW);
  digitalWrite(1, LOW);
 //---------------
}
   if(nilai ==4){
  //4
  digitalWrite(13, HIGH);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  delay(100);
  digitalWrite(4, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(2, LOW);
  digitalWrite(1, LOW);
}
  if(nilai == 5){
  //5
  digitalWrite(13, LOW);//A
  digitalWrite(12, HIGH);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  delay(100);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, HIGH);
  digitalWrite(1, LOW);
}
  if(nilai == 6){
  //6
  digitalWrite(13, LOW);//A
  digitalWrite(12, HIGH);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  delay(100);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, HIGH);
  digitalWrite(1, LOW);
}
  if(nilai == 7){
  //7
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, HIGH);//G
  delay(100);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  digitalWrite(1, HIGH);
}
  if(nilai == 8){
  //8
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  delay(100);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  digitalWrite(1, HIGH);
}
  if(nilai == 9){
  //9
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  delay(100);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  digitalWrite(1, LOW);
 }
 if(nilai > 9){
  nilai = 0;
 }
 if(nilai < 0){
  nilai = 9;
 }
}